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Poly[pentakis(μ-cyanido-κ2N:C)tris(5-phenyl-2,2′-bipyridine-κ2N,N′)pentacopper(I)]

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Author(s): Shuxin Cui | Minghui Zuo | Jingping Zhang | Yulong Zhao | Rongxin Tan | Shujuan Liu | Shuangyue Su

Journal: Acta Crystallographica Section E
ISSN 1600-5368

Volume: 67;
Issue: 12;
Start page: m1706;
Date: 2011;
Original page

ABSTRACT
The hydrothermal reaction of Cu(acetate)2 and K3[Fe(CN)6] with 5-phenyl-2,2′-bipyridine (5-ph-2,2′-bpy) in water yields the polymeric title complex, [Cu5(CN)5(C16H12N2)3]n, which consists of ribbons along the a axis, constructed from 26-membered {Cu10(CN)8} rings. In these rings, the metal atoms are bridged by cyanide groups, except for one close Cu...Cu contact [2.7535 (12) Å], which can be considered as ligand-unsupported. Within the rings, one Cu atom has a distorted tetrahedral geometry through the coordination to two N atoms from 5-ph-2,2′-bpy and two N/C atoms from two cyanide groups. Two Cu atoms have a trigonal planar environment being coordinated by three cyanide groups and two other Cu atoms have a distorted square planar geometry through coordination to two N atoms from 5-ph-2,2′-bpy and two N/C atoms from two cyanide groups.
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