Cu3(CN)4(NH3)2Hg(CN)2: a novel interpenetrating framework formed from CuI,CuII, HgII and cyanide bridges |
| |
Authors: | Ryo Sekiya Kazumasa Hosoya Shin‐ichi Nishikiori |
| |
Abstract: | The title compound, polydiamminehexa‐μ‐cyano‐dicopper(I)copper(II)mercury(II)], Cu3Hg(CN)6(NH3)2]n, has a novel threefold‐interpenetrating structure of three‐dimensional frameworks. This three‐dimensional framework consists of two‐dimensional network Cu3(CN)4(NH3)2 complexes and rod‐like Hg(CN)2 complexes. The two‐dimensional network complex contains trigonal–planar CuI (site symmetry m) and octahedral CuII (site symmetry 2/m) in a 2:1 ratio. Two types of cyanide group form bridges between three coordination sites of CuI and two equatorial sites of CuII to form a two‐dimensional structure with large hexagonal windows. One type of CN? group is disordered across a center of inversion, while the other resides on the mirror plane. Two NH3 molecules (site symmetry 2) are located in the hexagonal windows and coordinate to the remaining equatorial sites of CuII. Both N atoms of the rod‐like Hg(CN)2 group (Hg site symmetry 2/m and CN? site symmetry m) coordinate to the axial sites of CuII. This linkage completes the three‐dimensional framework and penetrates two hexagonal windows of two two‐dimensional network complexes to form the threefold‐interpenetrating structure. |
| |
Keywords: | |
|
|