Synthesis and properties of new tetrachlorocobaltate (II) and tetrachloromanganate (II) anion salts with dicationic counterions

doi:10.1016/j.poly.2010.11.009

CNU IR > Pharmacy and Science > Dept. of Cosmetic Science and institute of cosmetic science > Periodical Articles > Item 310902800/26675

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题名:	Synthesis and properties of new tetrachlorocobaltate (II) and tetrachloromanganate (II) anion salts with dicationic counterions
作者:	Chang, Jui-Cheng Ho, Wen-Yueh Sun, I-Wen Chou, Yu-Kai Hsieh, Hsin-Hsiu Wu, Tzi-Yi
贡献者:	化粧品應用與管理系
日期:	2011-02
上传时间:	2013-06-03 15:52:57 (UTC+8)
出版者:	Elsevier
摘要:	New tetrachlorocobaltate (II) and tetrachloromanganate (II) ionic compounds containing various counterdications were synthesized and characterized. These salts are soluble in polar solvents such as methanol and water. Physical properties such as thermal stability, melting point, and magnetic susceptibility of these salts depend on the cation or anion structure. The thermal stability of the phosphinium or imidazolium based salts is higher than that of the pyridinium or triethylaminonium analogues. The melting point of these compounds is following the order of triphenylphosphinium > pyridinium > imidazolium dications, and symmetrical dicationic salts > unsymmetrical ones. The magnetic susceptibility (χMT values) of tetrachloromanganate (II) anions-based salts is higher than that of tetrachlorocobaltate (II) anions-based salts. These dicationic salts exhibit weak antiferromagnetic interactions and have higher magnetic susceptibility than that of the previously reported tetrachloromanganate (II) and tetrachlorocobaltate(II) salts with monocationic counterion.
關聯:	Polyhedron 30(3), pp. 497-507
显示于类别:	[Dept. of Cosmetic Science and institute of cosmetic science] Periodical Articles

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