Robust anionic building blocks [M(malonate)2(H2O)2] for crystal engineering of inorganic-organic hybrid materials |
| |
| Authors: | Xiao-Jun Zhao |
| |
| Institution: | College of Chemistry and Life Science, Tianjin Normal University, Tianjin 300074, PR China |
| |
| Abstract: | One-pot reactions of transition metal (CuII, NiII, CoII, or CdII) salt with malonic acid (H2mal) in the presence of mesocyclic diamine generate three supramolecular complexes and a coordination polymer. Cu(mal)2(H2O)2](H2O)2(H2DACH) (1) and M(mal)2(H2O)2](H2DACO) (M = Ni for 2, and Co for 3) are ion-pair products and managed by charge-assistant noncovalent interactions (DACO = 1,5-diazacyclooctane, and DACH = 1,4-diazacycloheptane). In these structures, the similar mononuclear M(mal)2(H2O)2]2− building blocks are connected by hydrogen bonds to form 2D networks (with the aid of one lattice water in the case of 1), which are further extended by the cationic diamine components to yield 3D pillar-layered solids. While Cd(mal)(H2O)2]n (4) is a neutral polymeric complex, in which the similar Cd(mal)2(H2O)2]2− subunits are propagated by additional Cd-O coordinative forces to result in the final 2D layer. |
| |
| Keywords: | Metal malonate Crystal engineering Supramolecular assembly Charge-assistant hydrogen bonding Coordination polymer |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
