Citation: Mei Fang Wu, Zhong Ning CHEN, Jun QIU, Wen Xia TANG, Jing Ling WANG, Fang Ming NIAO. CRYSTAL STRUCTURE OF A 2D SHEET-LIKE μ-CYANIDO-OXAMIDATO BRIDGED Fe(Ⅲ)-Cu(Ⅱ) HETERNUCLEAR COMPLEX[J]. Chinese Chemical Letters, ;1994, 5(8): 713-714. shu

CRYSTAL STRUCTURE OF A 2D SHEET-LIKE μ-CYANIDO-OXAMIDATO BRIDGED Fe(Ⅲ)-Cu(Ⅱ) HETERNUCLEAR COMPLEX

1.
State Key Laboratory of Coordination Chemistry, Nanjing University, Manjing 210093;
2.
Department of Chemistry, Tianjin Normal University, Tianjin 300074

The synthesis and crystal structure are reported for the sheet-like compound[CU₂(oxpn)Fe(CN)₅(NO)]_■,where oxpn is the dianion of N,N'-bis(3-aminopropyl)oxamide.This compound crystallizes in the orthogonal space group Pnma,with a=11.413(4),b=22.242(5),c=7.736(2) Å,and Z=4.The structure was refined to conventional discrepancy factors R=0.047 and Rw=0.054.The Cu(Ⅱ) and Fe(Ⅲ)centors are bridged by oxpn and cyanide,the former behaves as a bis-terdentate ligand bound to copper(Ⅱ) ion to form copper(Ⅱ) dimers,whereas the latter bridges Cu(Ⅱ) and Fe(Ⅲ) centers in both symmetric and asymetric end-to-end bis-monodentate fashions,spreading out along be plane to form a 2D network.The structure is made up of CuFe unit with Cu(Ⅱ) and Fe(Ⅲ) ions locating in a distorted square-based pynamic and a compressed octahedron,respectively.
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