Synthesis, structure and magnetic properties of mononuclear [Mn(2,2′-bipyrimidine)2(H2O)2][ClO4]2 and polynuclear [Mn(2,2′-bipyrimidine)(NO3)2] complexes
學年 84
學期 2
出版（發表）日期 1996-07-01
作品名稱 Synthesis, structure and magnetic properties of mononuclear [Mn(2,2′-bipyrimidine)2(H2O)2][ClO4]2 and polynuclear [Mn(2,2′-bipyrimidine)(NO3)2] complexes
作品名稱（其他語言）
著者 Hong, D. M.; 魏和祥; Wei, Ho-hsiang; Gan, L. L.; Lee, G. H.; Wang, Yu
單位 淡江大學化學學系
出版者 Kidlington: Pergamon
著錄名稱、卷期、頁數 Polyhedron 15(14), pp.2335-2340
摘要 Two new complexes [Mn(bpym)2(H2O)2][ClO4]2 (bd1) and [Mn(bpym)(NO3)2] (2) (bpym = 2,2′-bipyrimidine) have been prepared and characterized by spectroscopic and X-ray diffraction methods. Compound 1 consists of a mononuclear [Mn(bpym)2(H2O)2]2+ unit in which the manganese atoms shows a distorted elongated octahedral coordination with two bpym nitrogens and two H2O oxygens forming a cis configuration. The structure of compound 2 is made up of an infinite zigzag bpym-bridged polymeric chain with [Mn(bpym)(NO3)2] units, in which the manganese atom has seven coordination with four nitrogen atoms of two bpym ligands and three oxygen atoms of monodentate NO3− and bidentate NO3− anions. The intermetallic distance of Mn…Mn is 6.234(2) Å. The temperature dependence of the magnetic susceptibility of 2 reveals the presence of a one-dimensional Heisenberg antiferromagnetic chain with J = −0.93 cmsu−1.
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語言 en
ISSN 0277-5387
期刊性質 國外
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產學合作
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國別 GBR
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出版型式 電子版
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