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New coordination motifs of melamine directed by N-H---X (X = Cl or Br) hydrogen bonds
Authors:Zhang Lei  Zhang Jian  Li Zhao-Ji  Cheng Jian-Kai  Yin Pei-Xiu  Yao Yuan-Gen
Institution:The State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, The Chinese Academy of Sciences, Fuzhou, Fujian 350002, People's Republic of China.
Abstract:Unusual mu(2)- and mu(3)-coordination modes of melamine are found in two organic-inorganic hybrid copper halides, Cu(2)Br(2)(MA)](n) (1) and Cu(3)Cl(3)(MA)](n) (2) (MA = melamine), in which the MA ligand affords two N-heterocycle N atoms to link (Cu(2)Br(2))infinity stairs and serves as a novel mu(3) bridge to give a 3D framework, respectively.
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