Incorporation of M(H2O)62+ between layers {M(H2O)2Ru2(CO3)4Cl2}n2n- (M = Zn, Mn): syntheses, structures and magnetic properties

被引：18

作者：

Liu, Bin ^{[1
]}

Jia, Yan-Yan ^{[1
]}

Yang, Huai-Qing ^{[1
]}

Yang, Jian-Hui ^{[1
]}

Xue, Gang-Lin ^{[1
]}

机构：

[1] Northwest Univ, Coll Chem & Mat Sci, Key Lab Synthet & Nat Funct Mol Chem, Shaanxi Key Lab Physicoinorgan Chem,Minist Educ, Xian 710069, Peoples R China

来源：

DALTON TRANSACTIONS | 2013年 / 42卷 / 48期

基金：

中国国家自然科学基金;

关键词：

MOLECULE-BASED MAGNETS; 3-DIMENSIONAL NETWORK; BUILDING-BLOCKS; DIRUTHENIUM; UNITS; FERROMAGNETISM; RELAXATION; CHIRALITY; BEHAVIOR; DIMERS;

D O I：

10.1039/c3dt51612a

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Isostructural heterometallic diruthenium carbonates KM(H2O)(6)[M(H2O)(2)Ru-2(CO3)(4)Cl-2]center dot 4H(2)O [M = Zn (1) and Mn (2)] were synthesized from the reaction of the precursors [Ru-2(CO3)(4)Cl-2](5-) and transitional metal ions in aqueous solution. Complexes 1 and 2 show layered structures in which Ru-2(II,III) units are linked by four octahedral environment M(H2O)(2)(2+) ions in a cross fashion and vice versa giving a negative bimetallic square grid layer {M(H2O)(2)Ru-2(CO3)(4)Cl-2}(n)(3n-). M(H2O)(6)(2+) ions, linked by K+ forming zigzag chain {KM(H2O)(6)}(n)(3+), are located in the void spaces between the layers. The adjacent bimetallic carbonate layers are connected with K-O and K-Cl bonds, and hydrogen bonding, forming a supramolecular 3D framework structure. Their magnetic properties were characterized in detail, and intralayer ferromagnetic coupling between the Ru-2 dimer and Mn2+ ion, as well as long-range ordering (T-c = 5.2 K) coexistence of domain movement behavior were observed for complex 2.

引用

页码：16742 / 16748

页数：7

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