Microporous coordination complex and method of making the same
View Patent ↗Disclosed herein is a three-dimensional coordination complex that includes a plurality of inorganic centers; a plurality of a first bis(bidentate) linker; and a plurality of a second bis(bidentate) linker, where the first and the second bis(bidentate) linkers are have different lengths, and the bidentate binding sites on each linker face in opposite directions on an axis.
1. A three-dimensional coordination complex comprising:
a plurality of inorganic centers;
a plurality of a first bis(bidentate) linker having a first length and two bidentate binding sites; and
a plurality of a second bis(bidentate) linker having a second length and two bidentate binding sites,
wherein each of the first and the second bis(bidentate) linkers is selected from the group consisting of:
with the following provisos that where the first or second bis(bidentate) linker has the structure of:
(i) Formula (A), the other linker has the structure of Formula (B);
(ii) Formula (B), the other linker has the structure of Formula (A) or (C);
(iii) Formula (C), the other linker has the structure of Formula (B), (D), or (D′);
(iv) Formula (D) or (D′), the other linker has the structure of Formula (C), (E), or (F);
(v) Formula (E) or (F), the other linker has the structure of Formula (D), (D′), or (G);
(vi) Formula (G), the other linker has the structure of Formula (E), (F) or (H); and,
(vii) Formula (H), the other linker has the structure of Formula (G).
2. The three-dimensional coordination complex of claim 1 , wherein the inorganic centers are cationic.
3. The three-dimensional coordination complex of claim 2 , wherein the inorganic centers are hexacoordinate or tetracoordinate.
4. The three-dimensional coordination complex of claim 3 , wherein at least one of the inorganic centers is hexacoordinate, having the formula M 4 O, wherein M is selected from the group consisting of Zn, Be, Mg, Co, and combinations thereof.
5. The three-dimensional coordination complex of claim 3 , wherein at least one of the inorganic centers is hexacoordinate, having the formula M 3 O, wherein M is selected from the group consisting of Fe, Cr, Ru, Mn, V, Ni, Sc, Co, lr, AI, Zn, Ga, Nb, Mo, W, and combinations thereof.
6. The three-dimensional coordination complex of claim 3 , wherein at least one of the inorganic centers is hexacoordinate, having the formula M 3 , wherein M is selected from the group consisting of Cu, Pd, Zn, Co, La, Mn, Mg, and combinations thereof.
7. The three-dimensional coordination complex of claim 3 , wherein at least one of the inorganic centers is tetracoordinate, having the formula M 2 , wherein M is selected from the group consisting of Ru, Cu, Rh, Mo, Fe, Ni, Co, Re, Cr, Zn, Mn, W, Tc, Os, Cd, Bi, Pt, AI, Mg, In, and combinations thereof.
8. The three-dimensional coordination complex of claim 1 comprising a ratio of 2:3:3 of inorganic centers :first bis(bidentate) linker :second bis(bidentate) linker.
9. The three-dimensional coordination complex of claim 1 , wherein the longer of the first and second lengths is about 1.2 to about 1.4 times longer than the shorter of the first and second lengths.
10. The three-dimensional coordination complex of claim 9 , wherein the longer of the first and second lengths is about 1.3 times longer than the shorter of the first and second lengths.
11. The three-dimensional coordination complex of claim 2 , wherein the inorganic center is Zn 4 O.
12. A three-dimensional coordination complex comprising:
a plurality of inorganic centers;
a plurality of a first bis(bidentate) linker; and,
a plurality of a second bis(bidentate) linker,
wherein the first bis(bidentate) linker comprises a benzene-1,4-dicarboxylate of formula (I):
where R is individually selected from the group consisting of NH 2 , NO 2 , CH 3 , Br, Cl, I, and OC 1-8 H 3-17 ; and x is equal to 0, 1, 2, 3, or 4, and
wherein the second bis(bidentate) linker comprises a naphthalene-2,6-dicarboxylate of formula (J):
where R is individually selected from the group consisting of NH 2 , NO 2 , CH 3 , Br, Cl, I, and OC 1-8 H 3-17 ; and x is equal to 0, 1, 2, 3, 4, 5, or 6.
13. The three-dimensional coordination complex of claim 1 , wherein the coordination complex is (Zn 4 O)(benzene-1, 4-dicarboxylate) 3/2 (naphthalene-2,6-dicarboxylate) 3/2 .
14. The three-dimensional coordination complex of claim 13 , wherein the coordination complex is essentially free of an admixture of (Zn 4 O)(benzene-1, 4-dicarboxylate) 3 and (Zn 4 O)(naphthalene-2,6-dicarboxylate) 3 .
15. The three-dimensional coordination complex of claim 13 , wherein the coordination complex has powder X-ray diffraction peaks at 6.3 and 8.9 degrees 2θ.
16. The three-dimensional coordination complex of claim 15 , wherein the coordination complex further has powder X-ray diffraction peaks at 12.6, and 14.1 degrees 2θ.
17. A three-dimensional coordination complex comprising:
a plurality of inorganic centers;
a plurality of a first bis(bidentate) linker; and,
a plurality of a second bis(bidentate),
wherein the first bis(bidentate) linker comprises a naphthalene-2,6-dicarboxylate of formula (J):
where R is selected from the group consisting of NH 2 , NO 2 , CH 3 , Br, Cl, I, and OC 1-8 H 3-17 ; and x is equal to 0, 1, 2, 3, 4, 5, or 6, and
wherein the second bis(bidentate) linker comprises a biphenyl-4,4′-dicarboxylate of formula (K):
where R is individually selected from the group consisting of NH 2 , NO 2 , CH 3 , Br, Cl, I, and OC 1-8 H 3-17 ; and x is equal to 0, 1, 2, 3, or 4.
18. The three-dimensional coordination complex of claim 17 , wherein the coordination complex is essentially free of an admixture of (Zn 4 O) (naphthalene-2,6-dicarboxylate) 3 and (Zn 4 O)biphenyl-4,4′-dicarboxylate) 3 .
19. The three-dimensional coordination complex of claim 17 , wherein the coordination complex has powder X-ray diffraction peaks at 5.5 and 7.8 degrees 2θ.
20. The three-dimensional coordination complex of claim 19 , wherein the coordination complex further has powder X-ray diffraction peaks at 9.5, and 11.0 degrees 2θ.
21. The three-dimensional coordination complex of claim 1 , wherein the coordination complex has a Brunauer Emmett Teller (BET) surface area of at least 3000 m 2 /g.
22. The three-dimensional coordination complex of claim 21 , wherein the coordination complex has a BET surface area of at least 3500 m 2 /g.
23. The three-dimensional coordination complex of claim 21 , wherein the coordination complex has a maximum N 2 uptake of at least 800 cm 3 /g at 77 K.
24. The three-dimensional coordination complex of claim 23 , wherein the coordination complex has a maximum N 2 uptake of at least 850 cm 3 /g at 77 K.
25. The three-dimensional coordination complex of claim 24 , wherein the coordination complex has a maximum N 2 uptake of at least 900 cm 3 /g at 77 K.
26. The three-dimensional coordination complex of claim 25 , wherein the coordination complex has a maximum N 2 uptake of at least 950 cm 3 /g at 77 K.
27. The three-dimensional coordination complex of claim 1 , wherein the coordination complex is homogeneous and comprises a single phase.
28. A crystalline, porous, homogeneous composition comprising:
a plurality of Zn 4 O clusters;
a plurality of benzene-1,4-dicarboxylate each individually bound to the plurality of Zn 4 O clusters; and,
a plurality of naphthalene-2,6-dicarboxylate each individually bound to the plurality of Zn 4 O clusters.
29. The crystalline, porous, homogeneous composition of claim 28 having powder X-ray diffraction peaks at 6.3 and 8.9 degrees 2θ.
30. The crystalline, porous, homogeneous composition of claim 29 further having powder X-ray diffraction peaks at 12.6, and 14.1 degrees 2θ.
31. A crystalline, porous, homogeneous composition comprising:
a plurality of Zn 4 O clusters;
a plurality of naphthalene-2,6-dicarboxylate each individually bound to the plurality of Zn 4 O clusters; and,
a plurality of biphenyl-4,4′-dicarboxylate each individually bound to the plurality of Zn 4 O clusters.
32. The crystalline, porous, homogeneous composition of claim 31 , wherein the composition has powder X-ray diffraction peaks at 5.5 and 7.3 degrees 2θ.
33. The crystalline, porous, homogeneous composition of claim 32 , wherein the composition further has powder X-ray diffraction peaks at 9.5, and 11.0 degrees 2θ.
34. The crystalline, porous, homogeneous composition of claim 31 , wherein the composition has a BET surface area of at least 3000 m 2 /g.
35. The crystalline, porous, homogeneous composition of claim 31 , wherein the composition has a maximum N 2 uptake of at least 800 cm 3 /g at 77 K.