Mixed catalysts with unbridged hafnocenes with -CH2-SiMe3 moieties

1. A supported catalyst system comprising:

an unbridged hafnium metallocene compound;

an unbridged zirconium metallocene compound;

a support material; and

an activator;

wherein the unbridged hafnium metallocene compound is represented by formula (A):

where:

M* is Hf;

each of R 1 , R 2 , R 4 , and R 5 is independently hydrogen, alkoxide, or C 1 to C 40 substituted or unsubstituted hydrocarbyl;

R 3 is independently hydrogen, alkoxide, C 1 to C 40 substituted or unsubstituted hydrocarbyl, or —R 11 —SiR′ 3 or —R 11 —CR′ 3 where R 11 is a C 1 to C 4 hydrocarbyl, and each R′ is independently C 1 to C 20 substituted or unsubstituted hydrocarbyl;

each R 6 , R 7 , R 8 , and R 10 is independently hydrogen, halide, alkoxide, or C 1 to C 40 substituted or unsubstituted hydrocarbyl;

R 9 is —CH 2 —SiMe 3 , —CH 2 —SiEt 3 , —CH 2 —SiPr 3 , —CH 2 —SiBu 3 , —CH 2 —SiCy 3 , —CH 2 —SiH(CH 3 ) 2 , —CH 2 SiPh 3 , —CH 2 —Si(CH 3 ) 2 Ph, —CH 2 —Si(CH 3 )Ph 2 , —CH 2 —Si(Et) 2 Ph, —CH 2 —Si(Et)Ph 2 , —CH 2 —Si(CH 2 ) 3 Ph, —CH 2 —Si(CH 2 ) 4 Ph, —CH 2 —Si(Cy)Ph 2 , —CH 2 —Si(Cy) 2 Ph; —CH 2 —Si(CH 3 ) 2 Cy, or —CH 2 —Si(CH 3 )Cy 2 ;

each X is independently a univalent anionic ligand, or two Xs are joined to form a metallocyclic ring, or two Xs are joined to form a chelating ligand, a diene ligand, or an alkylidene ligand;

and the unbridged zirconium metallocene compound is represented by formula (B):

Cp A Cp B ZrX′n  (B)

wherein

Cp A is selected from the group consisting of cyclopentadienyl, substituted cyclopentadieny, indenyl, and substituted indenyl;

Cp B is substituted indenyl;

each X′ is independently a halide, a hydride, an alkyl group, an alkenyl group or an arylalkyl group; and

n is 1 or 2.

2. The supported catalyst system of claim 1 , wherein M* of formula (A) is Hf, each R 1 , R 2 , R 3 , R 4 and R 5 is C 1 to C 20 alkyl.

3. The supported catalyst system of claim 1 , wherein R 9 is —CH 2 —SiMe 3 , —CH 2 —SiEt 3 , —CH 2 —SiPr 3 , —CH 2 —SiBu 3 , —CH 2 —SiCy 3 , —CH 2 —SiH(CH 3 ) 2 , —CH 2 SiPh 3 , —CH 2 —Si(CH 3 ) 2 Ph, —CH 2 —Si(CH 3 )Ph 2 , —CH 2 —Si(Et) 2 Ph, —CH 2 —Si(Et)Ph 2 , —CH 2 —Si(CH 2 ) 3 Ph, —CH 2 —Si(CH 2 ) 4 Ph, —CH 2 —Si(Cy)Ph 2 , or —CH 2 —Si(Cy) 2 Ph.

4. The supported catalyst system of claim 1 , wherein the unbridged zirconium metallocene compound is selected from the group consisting of: rac/meso-bis(1-ethylindenyl)zirconium dimethyl, rac/meso-bis(1-methylindenyl)zirconium dichloride, rac/meso-bis(1-methylindenyl)zirconium dimethyl, rac/meso-bis(1-propylindenyl)zirconium dichloride, rac/meso-bis(1-propylindenyl)zirconium dimethyl, rac/meso-bis(1-butylindenyl)zirconium dichloride, rac/meso-bis(1-butylindenyl)zirconium dimethyl, meso-bis(1ethylindenyl) zirconium dichloride, meso-bis(1-ethylindenyl) zirconium dimethyl, (1-methylindenyl)(pentamethylcyclopentadienyl) zirconium dichloride, and (1-methylindenyl)(pentamethyl cyclopentadienyl) zirconium dimethyl, and the alkyl or halide versions thereof where the dimethyl is replaced with Bz 2 , Et 2 , Ph 2 , Br 2 , or I 2 .

5. The supported catalyst system of claim 1 , wherein the support material has a surface area from 10 m 2 /g to 700 m 2 /g and an average particle diameter from 10 μm to 500 μm.

6. The supported catalyst system of claim 1 , wherein the support material is selected from the group consisting of silica, alumina, silica-alumina, and combinations thereof.

7. The supported catalyst system of claim 1 , wherein the support material is fluorided, or sulfated.

8. The supported catalyst system of claim 7 , wherein the support material has a fluorine concentration in the range of 0.6 wt % to 3.5 wt %, based upon the weight of the support material.

9. The supported catalyst system of claim 1 , wherein the activator comprises alumoxane or a noncoordinating anion.

10. The supported catalyst system of claim 1 , wherein the activator is methylalumoxane.

11. The supported catalyst system of claim 1 , wherein the support is a silica aluminate and is treated with an electron withdrawing anion such as fluoride or sulphate.

12. The supported catalyst system of claim 1 , wherein the electron withdrawing anion treated supported is treated with an alkyl aluminum.

13. The supported catalyst system of claim 1 , wherein the electron withdrawing anion treated supported is treated with an alkyl aluminum and is substantially free of methyl alumoxane or a noncoordinating anion.

14. The supported catalyst system of claim 1 , wherein the unbridged metallocene compound represented by formula (B) is present in the catalyst system as at least two isomers.

15. The supported catalyst system of claim 1 , wherein the activator comprises one or more of: N,N-dimethylanilinium tetrakis(perfluoronaphthyl)borate, N,N-dimethylanilinium tetrakis(perfluorobiphenyl)borate, N,N-dimethylanilinium tetrakis(perfluorophenyl)borate, N,N-dimethylanilinium tetrakis(3,5-bis(trifluoromethyl)phenyl)borate, triphenylcarbenium tetrakis(perfluoronaphthyl)borate, triphenylcarbenium tetrakis(perfluorobiphenyl)borate, triphenylcarbenium tetrakis(3,5-bis(trifluoromethyl)phenyl)borate, triphenylcarbenium tetrakis(perfluorophenyl)borate, [Me 3 NH + ][B(C 6 F 5 ) 4− ], 1-(4-(tris(pentafluorophenyl)borate)-2,3,5,6-tetrafluorophenyl) pyrrolidinium; [Me 3 NH + ][B(C 6 F 5 ) 4− ], 1-(4-(tris(pentafluorophenyl)borate)-2,3,5,6-tetrafluorophenyl) pyrrolidinium, sodium tetrakis(pentafluorophenyl)borate, potassium tetrakis(pentafluorophenyl)borate, 4-(tris(pentafluorophenyl)borate)-2,3,5,6-tetrafluoropyridinium, solidium tetrakis(perfluorophenyl)aluminate, potassium terakis(pentafluorophenyl), and N,N-dimethylanilinium tetrakis(perfluorophenyl)aluminate.

16. A supported catalyst system comprising:

an unbridged hafnium metallocene compound;

an unbridged zirconium metallocene compound;

a support material; and

an activator;

wherein the unbridged zirconium metallocene compound is represented by formula (B):

Cp A Cp B ZrX′n  (B)

wherein

Cp A is selected from the group consisting of cyclopentadienyl, substituted cyclopentadieny, indenyl, and substituted indenyl,

Cp B is substituted indenyl,

each X′ is independently a halide, a hydride, an alkyl group, an alkenyl group or an arylalkyl group, and

n is 1 or 2; and

the unbridged hafnium metallocene compound is one or more of:

(Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (MeCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (EtCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (PrCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (BuCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (BzCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (3-CH 2 —SiMe 3 -Cp) 2 HfMe 2 ; (Me 3 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 4 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 5 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (1-Me, 3-Bu-Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (1-Me, 3-Ph-Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 4 Cp-Pr)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 3 )(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Me,3-CH 2 —SiMe 3 -Ind) 2 HfMe 2 ; (2-Et,3-CH 2 —SiMe 3 -Ind) 2 HfMe 2 ; (2-Pr,3-CH 2 —SiMe 3 -Ind) 2 HfMe 2 ; (2-Bu,3-CH 2 —SiMe 3 -Ind) 2 HfMe 2 ; (2-Ph,3-CH 2 —SiMe 3 -Ind) 2 HfMe 2 ; (3-CH 2 —SiMe 3 -Ind) 2 HfMe 2 ; (3-CH 2 —SiMe 3 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (3-Me-Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (3-Et-Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (3-Pr-Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (3-Bu-Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Cp)(3-CH 2 —SiMe 3 -Ind)HfMe 2 ; (MeCp)(3-CH 2 —SiMe 3 -Ind)HfMe 2 ; (EtCp)(3-CH 2 —SiMe 3 -Ind)HfMe 2 ; (PrCp)(3-CH 2 —SiMe 3 -Ind)HfMe 2 ; (BuCp)(3-CH 2 —SiMe 3 -Ind)HfMe 2 ; (Me 3 Cp)(3-CH 2 —SiMe 3 -Ind)HfMe 2 ; (Me 4 Cp)(3-CH 2 —SiMe 3 -Ind)HfMe 2 ; (Me 5 Cp)(3-CH 2 —SiMe 3 -Ind)HfMe 2 ; (1-Me, 3-Bu-Cp)(3-CH 2 —SiMe 3 -Ind)HfMe 2 ; (1-Me, 3-Ph-Cp)(3-CH 2 —SiMe 3 -Ind)HfMe 2 ; (Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (MeCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (EtCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (PrCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (BuCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (BzCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (3-CH 2 —SiMe 3 -Cp) 2 HfMe 2 ; (Me 2 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 3 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 4 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 5 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Et 2 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Et 3 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Et 4 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Et 5 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Pr 2 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Pr 3 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Pr 4 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Pr 5 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Bu 2 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Bu 3 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Bu 4 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Bu 5 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Bz 2 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Bz 3 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Bz 4 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Bz 5 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (EtMe 4 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (PrMe 4 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (BuMe 4 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (PnMe 4 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (HxMe 4 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (BzMe 4 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 3 )(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 2 Ph)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 2 Ph)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMePh 2 )(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiPh 3 )(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 2 Cy)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMeCy 2 )(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiCy 3 )(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (EtMe 3 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (PrMe 3 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (BuMe 3 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (BzMe 3 Cp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 3 )(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 2 Ph)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMePh 2 )(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiPh 3 )(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 2 Cy)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMeCy 2 )(3—CH 2 —SiMe 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiCy 3 )(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (MeEtCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (MePrCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (MeBuCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (BzMeCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (EtPrCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (EtBuCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (BzEtCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (PrBuCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (BzPrCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (BuBzCp)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (MeCp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (EtCp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (PrCp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (BuCp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (BzCp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (3-CH 2 —SiMe 2 Ph-Cp) 2 HfMe 2 ; (Me 2 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Me 3 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Me 4 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Me 5 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Et 2 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Et 3 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Et 4 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Et 5 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Pr 2 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Pr 3 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Pr 4 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Pr 5 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Bu 2 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Bu 3 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Bu 4 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Bu 5 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Bz 2 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Bz 3 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Bz 4 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Bz 5 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (EtMe 4 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (PrMe 4 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (BuMe 4 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (BzMe 4 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 3 )(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 2 Ph)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMePh 2 )(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiPh 3 )(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 2 Cy)(3-CH 2 —SiMe 2 Ph-Cp)HfCl 2 ; (Me 4 Cp-CH 2 —SiMeCy 2 )(3-CH 2 —SiMe 2 Ph-Cp)HfCl 2 ; (Me 4 Cp-CH 2 —SiCy 3 )(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (EtMe 3 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (PrMe 3 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (BuMe 3 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (BzMe 3 Cp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 3 )(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 2 Ph)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMePh 2 )(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiPh 3 )(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 2 Cy)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMeCy 2 )(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiCy 3 )(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (MeEtCp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (MePrCp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (MeBuCp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (BzMeCp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (EtPrCp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (EtBuCp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (BzEtCp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (PrBuCp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (BzPrCp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (BuBzCp)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (MeCp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (EtCp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (PrCp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (BuCp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; ((BzCp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (3-CH 2 —SiMePh 2 -Cp) 2 HfMe 2 ; (Me 2 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Me 3 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Me 4 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Me 5 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Et 2 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Et 3 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Et 4 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Et 5 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Pr 2 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Pr 3 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Pr 4 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Pr 5 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Bu 2 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Bu 3 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Bu 4 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Bu 5 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Bz 2 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Bz 3 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Bz 4 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Bz 5 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (EtMe 4 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (PrMe 4 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (BuMe 4 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (PnMe 4 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (HxMe 4 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (BzMe 4 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 3 )(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 2 Ph)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMePh 2 )(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiPh 3 )(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 2 Cy)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMeCy 2 )(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiCy 3 )(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (EtMe 3 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (PrMe 3 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (BuMe 3 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (BzMe 3 Cp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 3 )(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 2 Ph)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMePh 2 )(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiPh 3 )(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 2 Cy)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMeCy 2 )(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiCy 3 )(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (MeEtCp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (MePrCp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (MeBuCp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (BzMeCp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (EtPrCp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (EtBuCp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (BzEtCp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (PrBuCp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (BzPrCp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (BuBzCp)(3-CH 2 —SiMePh 2 -Cp)HfMe 2 ; (Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (MeCp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (EtCp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (PrCp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (BuCp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (BzCp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (3-CH 2 —SiPh 3 -Cp) 2 HfMe 2 ; (Me 2 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Me 3 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Me 4 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Me 5 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Et 2 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Et 3 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Et 4 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Et 5 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Pr 2 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Pr 3 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Pr 4 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Pr 5 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Bu 2 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Bu 3 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Bu 4 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Bu 5 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Bz 2 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Bz 3 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Bz 4 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Bz 5 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (EtMe 4 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (PrMe 4 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (BuMe 4 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (BzMe 4 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 3 )(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 2 Ph)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMePh 2 )(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiPh 3 )(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 2 Cy)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMeCy 2 )(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiCy 3 )(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (EtMe 3 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (PrMe 3 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (BuMe 3 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (BzMe 3 Cp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 3 )(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 2 Ph)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMePh 2 )(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiPh 3 )(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 2 Cy)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMeCy 2 )(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiCy 3 )(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (MeEtCp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (MePrCp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (MeBuCp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (BzMeCp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (EtPrCp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (EtBuCp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (BzEtCp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (PrBuCp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (BzPrCp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (BuBzCp)(3-CH 2 —SiPh 3 -Cp)HfMe 2 ; (Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (MeCp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (EtCp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (PrCp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (BuCp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (BzCp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (3-CH 2 —SiCyMe 2 -Cp) 2 HfMe 2 ; (Me 2 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Me 3 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Me 4 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Me 5 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Et 2 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Et 3 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Et 4 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Et 5 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Pr 2 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Pr 3 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Pr 4 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Pr 5 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Bu 2 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Bu 3 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Bu 4 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Bu 5 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Bz 2 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Bz 3 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Bz 4 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Bz 5 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (EtMe 4 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (PrMe 4 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (BuMe 4 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (BzMe 4 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 3 )(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiCyMe 2 Ph)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMePh 2 )(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiPh 3 )(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 2 Cy)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMeCy 2 )(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiCy 3 )(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (EtMe 3 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (PrMe 3 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (BuMe 3 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (BzMe 3 Cp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 3 )(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 2 Ph)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMePh 2 )(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiPh 3 )(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 2 Cy)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMeCy 2 )(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiCy 3 )(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (MeEtCp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (MePrCp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (MeBuCp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (BzMeCp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (EtPrCp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (EtBuCp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (BzEtCp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (PrBuCp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (BzPrCp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (BuBzCp)(3-CH 2 —SiCyMe 2 -Cp)HfMe 2 ; (Cp)(3—CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (MeCp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (EtCp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (PrCp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (BuCp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (BzCp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (3-CH 2 —SiCy 2 Me-Cp) 2 HfMe 2 ; (Me 2 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Me 3 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Me 4 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Me 5 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Et 2 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Et 3 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Et 4 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Et 5 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Pr 2 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Pr 3 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Pr 4 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Pr 5 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Bu 2 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Bu 3 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfCl 2 ; (Bu 4 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfCl 2 ; (Bu 5 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfCl 2 ; (Bz 2 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Bz 3 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Bz 4 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfCl 2 ; (Bz 5 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfCl 2 ; (EtMe 4 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfCl 2 ; (PrMe 4 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (BuMe 4 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (BzMe 4 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 3 )(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 2 Ph)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMePh 2 )(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiPh 3 )(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 2 Cy)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMeCy 2 )(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiCy 3 )(3-CH 2 -Cy 2 Me-Cp)HfMe 2 ; (EtMe 3 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (PrMe 3 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (BuMe 3 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (BzMe 3 Cp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 3 )(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 2 Ph)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMePh 2 )(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiPh 3 )(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 2 Cy)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMeCy 2 )(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiCy 3 )(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (MeEtCp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (MePrCp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (MeBuCp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (BzMeCp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (EtPrCp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (EtBuCp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (BzEtCp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (PrBuCp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (BzPrCp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (BuBzCp)(3-CH 2 —SiCy 2 Me-Cp)HfMe 2 ; (Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (MeCp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (EtCp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (PrCp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (BuCp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 (BzCp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (3-CH 2 —SiCy 3 -Cp) 2 HfMe 2 ; (Me 2 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Me 3 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Me 4 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Me 5 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Et 2 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Et 3 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Et 4 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Et 5 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Pr 2 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Pr 3 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Pr 4 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Pr 5 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Bu 2 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Bu 3 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Bu 4 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Bu 5 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Bz 2 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Bz 3 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Bz 4 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Bz 5 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (EtMe 4 CP)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (PrMe 4 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (BuMe 4 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (BzMe 4 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 3 )(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 2 Ph)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMePh 2 )(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiPh 3 )(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMe 2 Cy)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiMeCy 2 )(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Me 4 Cp-CH 2 —SiCy 3 )(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (EtMe 3 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (PrMe 3 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (BuMe 3 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (BzMe 3 Cp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 3 )(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 2 Ph)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMePh 2 )(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiPh 3 )(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMe 2 Cy)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiMeCy 2 )(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (Me 3 Cp-CH 2 —SiCy 3 )(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (MeEtCp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (MePrCp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (MeBuCp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (BzMeCp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (EtBuCp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (BzEtCp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (PrBuCp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (BzPrCp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (BuBzCp)(3-CH 2 —SiCy 3 -Cp)HfMe 2 ; (2-Me,3-CH 2 —SiMe 3 -Ind) 2 HfMe 2 ; (2-Et,3-CH 2 —SiMe 3 -Ind) 2 HfMe 2 ; (2-Pr,3-CH 2 —SiMe 3 -Ind) 2 HfMe 2 ; (2-Bu,3-CH 2 —SiMe 3 -Ind) 2 HfMe 2 ; (2-Ph,3-CH 2 —SiMe 3 -Ind) 2 HfMe 2 ; (2-Bz,3-CH 2 —SiMe 3 -Ind) 2 HfMe 2 ; (2-Me,3-CH 2 —SiMe 2 Ph-Ind) 2 HfMe 2 ; (2-Et,3-CH 2 —SiMe 2 Ph-Ind) 2 HfMe 2 ; (2-Pr,3-CH 2 —SiMe 2 Ph-Ind) 2 HfMe 2 ; (2-Bu,3-CH 2 —SiMe 2 Ph-Ind) 2 HfMe 2 ; (2-Ph,3-CH 2 —SiMe 2 Ph-Ind) 2 HfMe 2 ; (2-Bz,3-CH 2 —SiMe 2 Ph-Ind) 2 HfMe 2 ; (2-Me,3-CH 2 —SiMePh 2 -Ind) 2 HfMe 2 ; (2-Et,3-CH 2 —SiMePh 2 -Ind) 2 HfMe 2 ; (2-Pr,3-CH 2 —SiMePh 2 -Ind) 2 HfMe 2 ; (2-Bu,3-CH 2 —SiMePh 2 -Ind) 2 HfMe 2 ; (2-Ph,3-CH 2 —SiMePh 2 -Ind) 2 HfMe 2 ; (2-Bz,3-CH 2 —SiMePh 2 -Ind) 2 HfMe 2 ; (2-Me,3-CH 2 —SiPh 3 -Ind) 2 HfMe 2 ; (2-Et,3-CH 2 —SiPh 3 -Ind) 2 HfMe 2 ; (2-Pr,3-CH 2 —SiPh 3 -Ind) 2 HfMe 2 ; (2-Bu,3-CH 2 —SiPh 3 -Ind) 2 HfMe 2 ; (2-Ph,3-CH 2 —SiPh 3 -Ind) 2 HfMe 2 ; (2-Bz,3-CH 2 —SiPh 3 -Ind) 2 HfMe 2 ; (2-Me,3-CH 2 —SiCyMe 2 -Ind) 2 HfMe 2 ; (2-Et,3-CH 2 —SiCyMe 2 -Ind) 2 HfMe 2 ; (2-Pr,3-CH 2 —SiCyMe 2 -Ind) 2 HfMe 2 ; (2-Bu,3-CH 2 —SiCyMe 2 -Ind) 2 HfMe 2 ; (2-Ph,3-CH 2 —SiCyMe 2 -Ind) 2 HfMe 2 ; (2-Bz,3-CH 2 —SiCyMe 2 -Ind) 2 HfMe 2 ; (2-Me,3-CH 2 —SiCy 2 Me-Ind) 2 HfMe 2 ; (2-Et,3-CH 2 —SiCy 2 Me-Ind) 2 HfMe 2 ; (2-Pr,3-CH 2 —SiCy 2 Me-Ind) 2 HfMe 2 ; (2-Bu,3-CH 2 —SiCy 2 Me-Ind) 2 HfMe 2 ; (2-Ph,3-CH 2 —SiCy 2 Me-Ind) 2 HfMe 2 ; (2-Bz,3-CH 2 —SiCy 2 Me-Ind) 2 HfMe 2 ; (2-Me,3-CH 2 —SiCy 3 -Ind) 2 HfMe 2 ; (2-Et,3-CH 2 —SiCy 3 -Ind) 2 HfMe 2 ; (2-Pr,3-CH 2 —SiCy 3 -Ind) 2 HfMe 2 ; (2-Bu,3-CH 2 —SiCy 3 -Ind) 2 HfMe 2 ; (2-Ph,3-CH 2 —SiCy 3 -Ind) 2 HfMe 2 ; (2-Bz,3-CH 2 —SiCy 3 -Ind) 2 HfMe 2 ; (2-Me,3-CH 2 —SiMe 3 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Et,3-CH 2 —SiMe 3 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Pr,3-CH 2 —SiMe 3 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Bu,3-CH 2 —SiMe 3 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Pn,3-CH 2 —SiMe 3 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Hx,3-CH 2 —SiMe 3 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Ph,3-CH 2 —SiMe 3 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Me,3-CH 2 —SiMe 2 Ph-Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Et,3-CH 2 —SiMe 2 Ph-Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Pr,3-CH 2 —SiMe 2 Ph-Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Bu,3-CH 2 —SiMe 2 Ph-Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Pn,3-CH 2 —SiMe 2 Ph-Ind)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (2-Hx,3-CH 2 —SiMe 2 Ph-Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Ph,3-CH 2 —SiMe 2 Ph-Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Me,3-CH 2 —SiMePh 2 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Et,3-CH 2 —SiMePh 2 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Pr,3-CH 2 —SiMePh 2 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Bu,3-CH 2 —SiMePh 2 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Pn,3-CH 2 —SiMePh 2 -Ind)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (2-Hx,3-CH 2 —SiMePh 2 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Ph,3-CH 2 —SiMePh 2 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Me,3-CH 2 —SiPh 3 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Et,3-CH 2 —SiPh 3 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Pr,3-CH 2 —SiPh 3 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Bu,3-CH 2 —SiPh 3 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Pn,3-CH 2 —SiPh 3 -Ind)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (2-Hx,3-CH 2 —SiPh 3 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Ph,3-CH 2 —SiPh 3 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Me,3-CH 2 —SiCyMe 2 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Et,3-CH 2 —SiCyMe 2 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Pr,3-CH 2 —SiCyMe 2 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Bu,3-CH 2 —SiCyMe 2 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Pn,3-CH 2 —SiCyMe 2 -Ind)(3-CH 2 —SiMe 2 Ph-Cp)HfMe 2 ; (2-Hx,3-CH 2 —SiCyMe 2 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 ; (2-Ph,3-CH 2 —SiCyMe 2 -Ind)(3-CH 2 —SiMe 3 -Cp)HfMe 2 , and the alkyl or halide versions thereof where the Me 2 is replaced with Bz 2 , Et 2 , Ph 2 , Cl 2 , Br 2 , or I 2 .

17. A process for polymerization of olefin monomers comprising contacting one or more olefin monomers with the supported catalyst system of claim 1 .

18. The process of claim 17 , wherein polymerization of the olefin monomers forms linear low density polyethylene.

19. A process for the production of an ethylene alpha-olefin copolymer comprising: polymerizing ethylene and at least one C 3 -C 20 alpha-olefin by contacting the ethylene and the at least one C 3 -C 20 alpha-olefin with the supported catalyst of claim 1 in at least one gas phase reactor at a reactor pressure of from 0.7 to 70 bar and a reactor temperature of from 20° C. to 150° C. to form an ethylene alpha-olefin copolymer.

20. A process for the production of an ethylene alpha-olefin copolymer comprising: polymerizing ethylene and at least one C 3 -C 20 alpha-olefin by contacting the ethylene and the at least one C 3 -C 20 alpha-olefin with the supported catalyst of claim 1 in at least one slurry phase reactor at a reactor pressure of from 0.7 to 70 bar and a reactor temperature of from 60° C. to 130° C. to form an ethylene alpha-olefin copolymer.

21. An ethylene alpha-olefin copolymer obtained by contacting ethylene, at least one C 3 -C 20 alpha-olefin, and the supported catalyst of claim 1 in at least one gas-phase reactor, the copolymer having a density of 0.890 g/cc or more, a melt index from 0.1 to 80 g/10 min, and an Mw/Mn value from 1 to 15.

22. The ethylene alpha-olefin copolymer of claim 21 , wherein the copolymer has a density from 0.900 to 0.940 g/cc.

23. The ethylene alpha-olefin copolymer of claim 21 , wherein the copolymer has an Mz/Mw between 2 and 3.

24. The ethylene alpha-olefin copolymer of claim 21 , wherein the copolymer has an Mw value of 50,000 to 250,000 g/mol; an Mw/Mn value of 2.5 to 12.5; a density of from 0.900 to 0.940 g/cc; and an Mz/Mw between 2 and 3.

25. An ethylene alpha-olefin copolymer obtained by contacting ethylene, at least one C 3 -C 20 alpha-olefin, and the supported catalyst of claim 1 in at least one slurry phase reactor, the copolymer having a density of 0.890 g/cc or more, a melt flow index from 0.1 g/10 min to 80 g/10 min, and a Mw/Mn from 2.5 to 12.5.

26. An ethylene alpha-olefin copolymer obtained by contacting ethylene, at least one C 3 -C 20 alpha-olefin, and the supported catalyst of claim 1 in at least one gas phase reactor, the copolymer having a density of 0.890 g/cc or more, a melt flow index from 0.1 g/10 min to 80 g/10 min, and a Mw/Mn from 2.5 to 12.5, and a RCI,m between 100 and 200 and a CDR-2 m between 1.5 and 2.5.

27. An ethylene alpha-olefin copolymer obtained by contacting ethylene, at least one C 3 -C 20 alpha-olefin, and the supported catalyst of claim 1 in at least one gas phase reactor, the copolymer having a density of 0.890 g/cc or more, a melt flow index from 0.1 g/10 min to 80 g/10 min, a Mw/Mn of from 2.0 to 5.0, a Mz/Mw between 2 and 3, a RCI,m between 30 and 100, and a CDR-2 m between 1 and 2.