[ScCl2{N(SiMe3)2}(THF)2] -: a precursor for the synthesis of scandium nitride

被引：0
|
作者：
Karl, M [1 ]
Seybert, G [1 ]
Massa, W [1 ]
Dehnicke, K [1 ]
机构：
[1] Univ Marburg, Fachbereich Chem, D-35032 Marburg, Germany
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1999年 / 625卷 / 03期
关键词：
nitrides; scandium; amido complex;
D O I：
10.1002/(SICI)1521-3749(199903)625:3<375::AID-ZAAC375>3.0.CO;2-T
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
[ScCl2{N(SiMe3)(2)}(THF)(2)] (1) has been prepared by the reaction of [ScCl3(THF)(3)] with the trisamide SC[N(SiMe3)(2)](3) in tetrahydrofurane solution forming colourless moisture sensitive crystals, which were characterized by a crystal structure determination. Space group P (1) over bar, Z = 2, lattice dimensions at -50 degrees C: a = 841.4(1), b = 924.2(1), c = 1550.0(1) pm, alpha = 90.046(7)degrees, beta = 95.671(9)degrees, gamma = 106.066(6)degrees, R-1 = 0.0329. In the molecular structure of 1 the scandium atom has a distorted trigonal-bipyramidal coordination with the THF molecules in apical positions. At 400 degrees C 1 is converted into scandium nitride, ScN, by stepwise leaving of THF and ClSiMe3.
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收藏
页码：375 / 376
页数：2
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