A novel 3-dimensional metallacrown supramolecule: Synthesis, crystal structure and magnetic properties

被引：1
|
作者：
Mao, Fengping [1 ]
Jin, Longfei [2 ]
Luo, Wei [1 ]
Cheng, Gongzhen [1 ]
Ji, Zhenping [1 ]
机构：
[1] Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China
[2] S Cent Univ Nationalities, Coll Chem & Mat Sci, Wuhan 430074, Peoples R China
来源：
SOLID STATE SCIENCES | 2008年 / 10卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Synthesis; Crystal structure; 3-Dimensional supramolecule; Magnetic properties;
D O I：
10.1016/j.solidstatesciences.2008.01.005
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
N-Acetyl-4-acetamidosalicylhydrazide (H(3)aamshz) reacts with Mn(OAc)(2)center dot 4H(2)O to form an 18-membered metallamacrocyclic hexamanganese compound [Mn(aamshz)(H2O)](6)center dot 12DMF (1) (DMF = N,N-dimethylformamide) with strong hydrogen bonds between neighboring units to form a 3-dimensional supramolecule. The compound crystallizes in the rhombohedral, space group R-3 with cell parameters a = 32.2867(16), c = 11.3109(6) angstrom, V = 10211.2(9) angstrom(3), Z = 3. And it was subjected to variable-temperature magnetic properties because of the building blocks containing Mn-III ions. The results show that the value of mu(eff) at 300 K (mu(eff) = 12.10 mu B) is close to the expected value for six non-interacting Mn-III with spin S = 2. (C) 2008 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码：1358 / 1363
页数：6
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