Bimetallic sheet and 3D threefold interpenetrating diamond-like network constructed by chelate Cu cations and Mn dicyanamide polymeric chains. Synthesis, crystal structure, and magnetism of [Cu(L)2][Mn(dca)4] (L=ethylenediamine or 1,3-diaminopropane; dca=dicyanamide N(CN)2) |
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| Authors: | Zhe-Ming WangBai-Wang Sun Jun LuoSong Gao Chun-Sheng LiaoChun-Hua Yan Yong Li |
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| Institution: | a State Key Laboratory of Rare Earth Materials Chemistry and Applications, PKU-HKU Joint Laboratory on Rare Earth Materials and Bioinorganic Chemistry, Peking University-Nonius B. V. Demo Lab for X-Ray Diffraction, Peking University, Beijing 100871, People's Republic of China
b Department of Chemistry, Tsinghua University, Beijing 100084, People's Republic of China |
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| Abstract: | Two novel bimetallic coordination polymers, Cu(en)2]Mn(dca)4] (1) and Cu(pn)2]Mn(dca)4] (2) (en, ethylenediamine; pn, 1,3-diaminopropane; dca, dicyanamide N(CN)2−), have been synthesized and characterized. Both of them consist of Mndca anionic chains and chelate cations of copper. 1 has a sheet like architecture built by the Cu(en)2]2+ cations and the homoleptic trans-Mn(dca)4 2−]n chains. 2 shows unusual 3-D threefold interpenetrating diamond-like structure constructed by Cu(pn)2]2+ cations and the homoleptic cis-Mn(dca)4 2−]n chains. The magnetic susceptibilities obey the Curie-Weiss law with weak antiferromagnetic interactions. |
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| Keywords: | Bimetallic coordination polymers Dicyanamide complexes Interpenetration Crystal structures Magnetic properties |
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