Crystal and molecular structure of copper(II) trans-bis-(2-(methylimino)-4-pentanonate)

被引：20
|
作者：
Baidina, IA [1 ]
Stabnikov, PA [1 ]
Vasiliev, AD [1 ]
Gromilov, SA [1 ]
Igumenov, IK [1 ]
机构：
[1] Russian Acad Sci, Siberian Branch, AV Nikolaev Inst Inorgan Chem, Novosibirsk, Russia
来源：
JOURNAL OF STRUCTURAL CHEMISTRY | 2004年 / 45卷 / 04期
关键词：
crystal structure; methylketoiminate; copper(II); crystal chemistry;
D O I：
10.1007/s10947-005-0043-4
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Synthesis and X-ray diffraction study of trans-bis-(2-(methylimino)-4-pentanonato)Cu(II), which is methyl-substituted ketoiminate, is reported. Crystal data for CuN2O2C12H20: a = 7.374(1) angstrom, b = 9.171(1) angstrom, c=10.823(2)angstrom; alpha=96.51(1)degrees, beta=106.12(1)degrees, gamma=96.81(1)degrees', space group P (1) over bar, Z=2, d(calc) = 1.38g/cm(3), d(exp) = 1.37 g/cm(3), R = 0.037. The structure is molecular and consists of isolated trans-complexes. The coordination polyhedron of the copper atom is intermediate between the square and tetrahedron; the average distances are Cu-O 1.91 angstrom and Cu-N 1.95 angstrom, the O-Cu-O and N-Cu-N trans bond angles are 145.5 degrees and 150.3 degrees, respectively. The O-Cu-N chelate angle is 94.6 degrees. The calculated energies of van der Waals intermolecular interactions are compared with the thermogravimetric characteristics of the complex with ketoiminate and copper(II) ethylenediamine-bis-acetylacetonate.
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收藏
页码：671 / 677
页数：7
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