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Synthesis and Crystal Structure of a New Iron Complex with Cyclic Water Hexamers [Fe(CDTA)(H_2O)]·[Fe(1,10-phen)_3]·10H_2O·2OH

Synthesis and Crystal Structure of a New Iron Complex with Cyclic Water Hexamers [Fe(CDTA)(H_2O)]·[Fe(1,10-phen)_3]·10H_2O·2OH
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摘要 The title complex [Fe(CDTA)(H2O)]·[Fe(1,10-phen)3]·10H2O·2OH (CDTA = transcyclohexane-1,2-diamine-N,N,N,N′-tetraacetate) has been prepared and characterized by single-crystal X-ray diffraction analysis. The crystal adopts space group P with a = 12.793(4), b = 14.104(5), c = 17.880(5), V = 2792.2(1)3, Dc = 1.459 g/cm3, C50H66Fe2N8O21, Mr = 1226.81, F(000) = 1284, μ = 0.604 mm-1, Z = 2, R = 0.1055 and wR = 0.2581 for 8675 observed reflections (I 〉 2σ(I)). X-ray crystallography analysis exhibits that the title compound consists of two crystallographically independent molecules [Fe(CDTA)(H2O)] and [Fe(1,10-phen)3], and they are connected through O-H···O hydrogen bonds and π···π stacking interactions forming a 3D supramolecular structure. Interestingly, there is a cyclic water hexamer with chair conformation in this complex. The title complex [Fe(CDTA)(H2O)]·[Fe(1,10-phen)3]·10H2O·2OH (CDTA = transcyclohexane-1,2-diamine-N,N,N,N′-tetraacetate) has been prepared and characterized by single-crystal X-ray diffraction analysis. The crystal adopts space group P with a = 12.793(4), b = 14.104(5), c = 17.880(5), V = 2792.2(1)3, Dc = 1.459 g/cm3, C50H66Fe2N8O21, Mr = 1226.81, F(000) = 1284, μ = 0.604 mm-1, Z = 2, R = 0.1055 and wR = 0.2581 for 8675 observed reflections (I 〉 2σ(I)). X-ray crystallography analysis exhibits that the title compound consists of two crystallographically independent molecules [Fe(CDTA)(H2O)] and [Fe(1,10-phen)3], and they are connected through O-H···O hydrogen bonds and π···π stacking interactions forming a 3D supramolecular structure. Interestingly, there is a cyclic water hexamer with chair conformation in this complex.
作者 翟君 徐立
出处 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 2012年第2期255-261,共7页 结构化学(英文)
基金 supported by Knowledge Innovation Program (No. KJCX2-EW-H01) the Chinese Academy of Sciences and National Natural Science Foundation of China (No. 21073190)
关键词 iron MIXED-LIGANDS crystal structure hydrogen bonds iron, mixed-ligands, crystal structure, hydrogen bonds
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