Synthesis, crystal structure and magnetic properties of a two-dimensional heterometallic assembly [Mn(salen)]2[Ni(Cn)4]•1/2H2O

被引：14

作者：

Yuan, AH ^{[1
]}

Shen, XP

Wu, QJ

Huang, ZX

Xu, Z

机构：

[1] E China Shipbuilding Inst, Dept Mat & Environm Engn, Zhenjiang 212003, Peoples R China

[2] Zhenjiang Teachers Coll, Dept Chem, Zhenjiang 212003, Peoples R China

[3] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fujian 350002, Peoples R China

[4] Nanjing Univ, Inst Coordinat Chem, State Key Lab Coordinat Chem, Nanjing 210093, Peoples R China

来源：

JOURNAL OF COORDINATION CHEMISTRY | 2002年 / 55卷 / 04期

关键词：

nickel complex; manganese complex; cyano bridge; crystal structure; magnetic properties;

D O I：

10.1080/00958970211905

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A heterometallic assembly, [Mn(salen)](2)[Ni(CN)(4)] . 1/2H(2)O (where salen=N, N'-ethylene-bis(salicylideneiminato)-dianion), has been prepared from the reaction of [Mn(salen)H2O]ClO4 . H2O with K-2[Ni(CN)(4)] . H2O in methanol/water. The compound crystallizes in the tetragonal space group P 4/ncc with the cell dimensions of a=14.604(2) Angstrom, c=16.949(3) Angstrom, and Z=4. The compound assumes a two-dimensional distorted square network structure, formed from Ni-CN-Mn(salen)-NC-Ni linkages with dimensions of Ni-C=1.867(7) Angstrom, Mn-N=2.312(6) Angstrom, Mn-N-C=163.8(6)degrees Ni-C-N=178.4(6)degrees. The two metal atoms Ni(II) and Mn(III) have square and slightly distorted octahedral arrangements, respectively. Magnetic susceptibility measurements indicate the presence of an intramolecular antiferromagnetic interaction and gives a Mn-Mn exchange integral of -3.2 cm(-1).

引用

页码：411 / 420

页数：10

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