Synthesis, crystal structure, and properties of MnNCN, the first carbodiimide of a magnetic transition metal

被引：141

作者：

Liu, XH ^{[1
]}

Krott, M ^{[1
]}

Muller, P ^{[1
]}

Hu, CH ^{[1
]}

Lueken, H ^{[1
]}

Dronskowski, R ^{[1
]}

机构：

[1] Rhein Westfal TH Aachen, Inst Anorgan Chem, D-52056 Aachen, Germany

来源：

INORGANIC CHEMISTRY | 2005年 / 44卷 / 09期

关键词：

D O I：

10.1021/ic050050a

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Synthesis, single-crystal structure determination, and magnetic properties are reported for manganese carbodiimide, MnNCN. The presumably unstable but inert phase adopts the trigonal system (R $(3) over bar $m) with a = 3.3583(4) angstrom, c. = 14.347(2) angstrom, V = 140.13(3) angstrom(3), and Z = 3. Divalent manganese is octahedrally coordinated by nitrogen atoms at 2.26 angstrom, and the NCN2- unit adopts the linear [N=C=N](2-) carbodiimide shape with two C=N double bonds of 1.23 angstrom. MnNCN contains high-spin Mn(II) with five unpaired electrons and behaves like an antiferromagnet with an ordering temperature below 30 K.

引用

页码：3001 / 3003

页数：3

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