SYNTHESIS AND CRYSTAL-STRUCTURE OF THE 1/1 PD(II) COMPLEX OF 1,4,7,10-TETRAOXA-13,16,19,22-TETRAAZACYCLOTETRACOSANE

被引：3
作者：
SESSLER, JL
SIBERT, JW
LYNCH, V
机构：
[1] Departrnent of Chemistry and Biochemistry, University of Texas at Austin, Austin
来源：
INORGANICA CHIMICA ACTA | 1993年 / 206卷 / 01期
基金：
美国国家卫生研究院; 美国国家科学基金会;
关键词：
D O I：
10.1016/S0020-1693(00)89260-9
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The synthesis and structural characterization of [1.Pd](PF6)2, complex 3, where 1 = 1,4,7,10-tetraoxa-13,16,19,22-tetraazacyclotetracosane, are reported. The palladium atom in the complex is coordinated by the four ligand nitrogen atoms in an essentially square planar structure (average Pd-N bond length=2.040(1) angstrom). A further weak apical interaction exists (2.98 angstrom) to one O atom of the ligand. The pale yellow crystals of Pd(C16H36N4O4) (PF6)2 are monoclinic with unit-cell dimensions a = 15.222(7), b = 20.480(9), c = 8.733(4) angstrom, beta = 91.53(4)-degrees, V = 2722(2) angstrom3, space group P2(1)/c (No. 14) and Z = 4. Crystals of [1.Pd](PF6)2 are, thus, isomorphous with those of a Cu(PF6)2 salt of 1, complex 2, reported earlier (J. L. Sessler, J. W. Sibert, J. D. Hugdahl and V. Lynch, Inorg. Chem., 28 (1989) 1417-1419). The coordination around Cu, however, is better described as square pyramidal with a long Cu-O axial contact (2.47(2)).
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页码：63 / 67
页数：5
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