CRYSTAL STRUCTURE OF TWO COMPLEXES CONTAINING tris-(β-DIKETONATO) MAGNATE ANION

被引：3

作者：

Vikulova, E. S. ^{[1
]}

Piryazev, D. A. ^{[1
]}

Zherikova, K. V. ^{[1
]}

Alferova, N. I. ^{[1
]}

Morozova, N. B. ^{[1
]}

Igumenov, I. K. ^{[1
]}

机构：

[1] Russian Acad Sci, Siberian Div, AV Nikolaev Inst Inorgan Chem, Novosibirsk, Russia

来源：

JOURNAL OF STRUCTURAL CHEMISTRY | 2013年 / 54卷 / 05期

关键词：

magnesium; beta-diketonates; diamines; single crystal X-ray diffraction; thermogravimetry; BETA-DIKETONATE COMPLEXES; THERMAL-STABILITY; HIGHLY VOLATILE; THIN-FILMS; PRECURSOR; LIGANDS; SCANDIUM; CU(II); MOCVD;

D O I：

10.1134/S0022476613050077

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Single crystal XRD is used to determine the structures of the complexes (H(2)TMEDA)[Mg(ptac)(3)](2) (1, TMEDA = Me2N(CH2)(2)NMe2, ptac = (t) BuCOCHCOCF3) and (H(2)TMEDA)[Mg(hfac)(3)](hfac) (2, hfac = CF3COCHCOCF3) at a temperature of 150 K. The crystallographic data for complex 1: a = 10.2919(3) , b = 10.9492(4) , c = 15.4159(6) , alpha = 87.117(1)A degrees, beta = 89.686(1)A degrees, gamma = 79,864(1)A degrees, space group Z = 1, R = 0.0573; for complex 2: a = 12.9446(2) , b = 23.0035(4) , c = 13.1473(3) , beta = 98.779(1)A degrees, space group P2(1)/n, Z = 4, R = 0.0605. The structures are ionic; the metal atom coordinates six oxygen atoms of three beta-diketonate ligands. The distances Mg-O in complex 1 are in the range 2.036(2)-2.0920(19) ; the same distances in complex 2 are in the range 2.051(2)-2.076(2) . The spatial packing is determined by the system of hydrogen bonds between the (H(2)TMEDA)(2+) cations and [Mg(ptac)(3)](-) (1) or hfac(-) (2) anions. A thermogravimetric study of complex 1 is carried out.

引用

页码：883 / 889

页数：7

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