Structural Diversity and Properties of M(II) Coordination Compounds Constructed by 3-Hydrazino-4-amino-1,2,4-triazole Dihydrochloride as Starting Material

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• 作者：Caixia Xu ; Jianguo Zhang ; Xin Yin ; Zhenxuan Cheng
• 刊名：Inorganic Chemistry
• 出版年：2016
• 出版时间：January 4, 2016
• 年：2016
• 卷：55
• 期：1
• 页码：322-329
• 全文大小：472K
• ISSN：1520-510X

文摘

Twelve metal coordination compounds with two triazole derivatives, namely, {[Mn(HATr)₂](ClO₄)₂}_n (1), [Mn(HATr)₃]Cl(ClO₄) (2), [Co₃(ATr)₆(H₂O)₆](ClO₄)₆·4.5H₂O (3), [Co(HATr)₃]Cl(ClO₄) (4), [Co₂Cl₂(HATr)₂(H₂O)₂(CH₃OH)₂]Cl₂·2H₂O (5), [Ni₃(ATr)₆(H₂O)₆](ClO₄)₆·4.5H₂O (6), [Ni(HATr)₃]Cl(ClO₄) (7), [Ni₂Cl₂(HATr)₂(H₂O)₄](ClO₄)₂·4H₂O (8), [Ni₂(HATr)₂(H₂O)₆](ClO₄)₄·2H₂O (9), {[Zn(HATr)₂](ClO₄)₂}_n (10), [Zn(HATr)₃]Cl(ClO₄) (11), and {[Cd₄(HATr)₈](CdCl₄)Cl₂(ClO₄)₄}_n (12), when HATr = 3-hydrazino-4-amino-1,2,4-triazole and ATr = 4-amino-1,2,4-triazole, were prepared under diverse conditions and structurally characterized. Compounds 1, 10 and 12 exhibit one-dimensional zigzag chain structures; 2, 4, 7, and 11 possess mononuclear structures; 3 and 6 display trinuclear structures, while 5, 8, and 9 feature binuclear structures. Hydrogen bonds link these compounds into three-dimensional structures. The thermal stability and energetic properties also were determined.