초록

Metal organic framework compostions can have a face centered cubic structure.

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1. A metal organic framework composition comprising: a metal ion component; and a bidentate ligand component having two anionic binding groups, wherein the two anionic binding groups are oriented 180 degrees from each other; wherein the metal ion component and the bidentate ligand component associat

1. A metal organic framework composition comprising: a metal ion component; and a bidentate ligand component having two anionic binding groups, wherein the two anionic binding groups are oriented 180 degrees from each other; wherein the metal ion component and the bidentate ligand component associate to form a face-centered cubic network; and wherein the metal ion component includes a rare earth metal ion. 2. The metal organic framework composition of claim 1, wherein the rare earth metal ion is La, Ce, Pr, Nd, Sm, Eu, Gd, Dy, Ho, Er, TM, Yb, Lu, Tb or Y. 3. The metal organic framework composition of claim 1, wherein the two anionic binding groups are the same. 4. A metal organic framework composition comprising: a metal ion component; and a bidentate ligand component having two anionic binding groups, wherein the two anionic binding groups are oriented 180 degrees from each other; wherein the metal ion component and the bidentate ligand component associate to form a face-centered cubic network; wherein the two anionic binding groups are different. 5. The metal organic framework composition of claim 1, wherein each of the anionic binding groups, independently, is carboxylate or tetrazolate. 6. The metal organic framework composition of claim 1, wherein the two anionic binding groups are linked by an aromatic group. 7. A metal organic framework composition comprising: a metal ion component; and a bidentate ligand component having two anionic binding groups, wherein the two anionic binding groups are oriented 180 degrees from each other; wherein the metal ion component and the bidentate ligand component associate to form a face-centered cubic network; and wherein the two anionic binding groups are linked by an hydrophobic group. 8. The metal organic framework composition of claim 7, wherein hydrophobic group is a fluoro group. 9. The metal organic framework composition of claim 1, wherein the metal ion component and the bidentate ligand form a 12-connected molecular building block. 10. A method of making a metal organic framework composition comprising: contacting a metal ion component with a bidentate ligand component having two anionic binding groups, wherein the two anionic binding groups are oriented 180 degrees from each other; wherein the metal ion component and the bidentate ligand component associate to form a face-centered cubic network; wherein the metal ion component includes a rare earth metal ion. 11. A method of making a metal organic framework composition comprising: contacting a metal ion component with a bidentate ligand component having two anionic binding groups, wherein the two anionic binding groups are oriented 180 degrees from each other; wherein the metal ion component and the bidentate ligand component associate to form a face-centered cubic network; wherein the bidentate ligand includes a hydrophobic group. 12. The method of claim 11, wherein hydrophobic group is a fluoro group. 13. The method of claim 10, wherein the rare earth metal ion is La, Co, Pr, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tin, Yb, Lu, Tb or Y. 14. The method of claim 10, wherein the two anionic binding groups are the same. 15. A method of making a metal organic framework composition comprising: contacting a metal ion component with a bidentate ligand component having two anionic binding groups, wherein the two anionic binding groups are oriented 180 degrees from each other; wherein the metal ion component and the bidentate ligand component associate to form a face-centered cubic network; wherein the two anionic binding groups are different. 16. The method claim 10, wherein each of the anionic binding groups, independently, is carboxylate or tetrazolate. 17. The method of claim 10, wherein the two anionic binding groups are linked by an aromatic group. 18. The method of claim 10, wherein the metal ion component and the bidentate ligand form a 12-connected molecular building block. 19. The metal organic framework composition of claim 4, wherein the two anionic binding groups are linked by an aromatic group. 20. The method of claim 15, wherein the metal ion component and the bidentate ligand form a 12-connected molecular building block.