Novel coordination polymer containing a mixed valence copper(I,II) phosphonate unit: Cu(I)(2)Cu(II)(hedpH(2))(2)(4,4'-bpy)(2).2H(2)O (hedp = 1-hydroxyethylidenediphosphonate) |
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Authors: | Zheng Li-Min Yin Ping Xin Xin-Quan |
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Institution: | State Key Laboratory of Coordination Chemistry, Coordination Chemistry Institute, College of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P.R. China. |
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Abstract: | This paper reports the synthesis and crystal structure of a novel mixed valence copper(I,II) compound, Cu(I)(2)Cu(II)(hedpH(2))(2)(4,4'-bpy)(2).2H(2)O (1), where hedp represents 1-hydroxyethylidenediphosphonate. The structure is composed of Cu(I)(2)Cu(II)(hedpH(2))(2)] trimer units and 4,4'-bipyridine linkages, forming a two-dimensional brick-wall-like layer structure in the ab plane. The layers are stacked along the 001] direction with strong interlayer hydrogen bonds and pi-pi interactions, thus leading to the construction of a three-dimensional network. |
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