Two New Coordination Polymers Containing Metal-carboxylate Helix

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摘要 Two novel compounds, {[Cd(nbdc)(bpp)(H₂O)]·H₂O}_n1 and {[Cd(nbdc)(dpds)-(H₂O)]·H₂O}_n2 (H₂nbdc = 4-nitro-1,2-benzenedicarboxylic acid, bpp = 1,3-bis(4-pyridyl)propane and dpds = 4,4'-dipyridyldisulfide), were solvothermally synthesized and characterized by elemental analysis, IR spectroscopy, thermogravimetric analysis (TGA), fluorescent analysis and single-crystal X-ray diffraction. Complex 1 is of monoclinic system, space group P2₁/c with α = 14.4370(17), b = 8.4090(10), c = 19.168(2) Å, β = 104.5050(10)°, V = 2252.8(5) Å³, D_c = 1.639 g/cm³, M_r = 555.81, Z = 4, F(000) = 1120, μ = 1.022 mm^-1, the final R = 0.0269 and wR = 0.0599 for 16656 observed reflections with I > 2σ(I). 2 isisostructural to 1 with α = 14.4175(11), b = 8.4737(7), c = 18.0120(14) Å, β = 106.7220(10)°, V = 2107.5(3) Å³, D_c = 1.821 g/cm³, M_r = 577.85, Z = 4, F(000) = 1152, μ = 1.287 mm^-1, the final R = 0.0280 and wR = 0.0705 for 15136 observed reflections with I > 2σ(I). Both complexespresent intimately related structures featuring infinite Cd-carboxylate helix of [Cd^Ⅱ(nbdc)(H₂O)]_n connected by bpp (or dpds) molecule to produce the 2D layer frameworks.

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	李桂连
	刘广臻
	辛凌云
	李晓玲

关键词 ： 1,2-benzenedicarboxylate, solvothermal, helix

Abstract：Two novel compounds, {[Cd(nbdc)(bpp)(H₂O)]·H₂O}_n1 and {[Cd(nbdc)(dpds)-(H₂O)]·H₂O}_n2 (H₂nbdc = 4-nitro-1,2-benzenedicarboxylic acid, bpp = 1,3-bis(4-pyridyl)propane and dpds = 4,4'-dipyridyldisulfide), were solvothermally synthesized and characterized by elemental analysis, IR spectroscopy, thermogravimetric analysis (TGA), fluorescent analysis and single-crystal X-ray diffraction. Complex 1 is of monoclinic system, space group P2₁/c with α = 14.4370(17), b = 8.4090(10), c = 19.168(2) Å, β = 104.5050(10)°, V = 2252.8(5) Å³, D_c = 1.639 g/cm³, M_r = 555.81, Z = 4, F(000) = 1120, μ = 1.022 mm^-1, the final R = 0.0269 and wR = 0.0599 for 16656 observed reflections with I > 2σ(I). 2 isisostructural to 1 with α = 14.4175(11), b = 8.4737(7), c = 18.0120(14) Å, β = 106.7220(10)°, V = 2107.5(3) Å³, D_c = 1.821 g/cm³, M_r = 577.85, Z = 4, F(000) = 1152, μ = 1.287 mm^-1, the final R = 0.0280 and wR = 0.0705 for 15136 observed reflections with I > 2σ(I). Both complexespresent intimately related structures featuring infinite Cd-carboxylate helix of [Cd^Ⅱ(nbdc)(H₂O)]_n connected by bpp (or dpds) molecule to produce the 2D layer frameworks.

Key words： 1,2-benzenedicarboxylate solvothermal helix

收稿日期: 2013-10-24 出版日期: 2014-03-17

基金资助:Supported by the Foundation for University Young Key Teacher by Henan Province (No. 2011GGJS-153) and the Foundation of Science and Technology of Henan province (No. 112102310638 and 142300410301)

通讯作者: 刘广臻: gzliuly@126.com E-mail: gzliuly@126.com

作者简介: 刘广臻: gzliuly@126.com

引用本文:

李桂连;刘广臻;辛凌云;李晓玲. Two New Coordination Polymers Containing Metal-carboxylate Helix[J]. 结构化学, 2014, 33(5): 764-770.
LI Gui-Lian;LIU Guang-Zhen;XIN Ling-Yun;LI Xiao-Ling. Two New Coordination Polymers Containing Metal-carboxylate Helix. CHINESE JOURNAL OF STRUCTURAL CHEMISTRY, 2014, 33(5): 764-770.

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http://manu30.magtech.com.cn/jghx/CN/ 或 http://manu30.magtech.com.cn/jghx/CN/Y2014/V33/I5/764

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