NEW HEPTACOORDINATED TIN COMPLEXES OF 2,6-DIACETYLPYRIDINE-BIS(THIOSEMICARBAZONE), H2DAPTSC, AND OF 2,6-DIACETYLPYRIDINE-BIS(SEMICARBAZONE), H2DAPSC - CRYSTAL AND MOLECULAR-STRUCTURES OF [MESNCL(HDAPTSC)]CL.MEOH AND [MESNCL(H2DAPSC)]CL2.2H2O

被引：59
作者：
DESOUSA, GF
FILGUEIRAS, CAL
ABRAS, A
ALJUAID, SS
HITCHCOCK, PB
NIXON, JF
机构：
[1] UNIV FED MINAS GERAIS,ICEX,DEPT QUIM,BR-31270 BELO HORIZONT,MG,BRAZIL
[2] UNIV FED MINAS GERAIS,ICEX,DEPT FIS,BR-31270 BELO HORIZONT,MG,BRAZIL
[3] UNIV SUSSEX,SCH CHEM & MOLEC SCI,BRIGHTON BN1 9QJ,E SUSSEX,ENGLAND
来源：
INORGANICA CHIMICA ACTA | 1994年 / 218卷 / 1-2期
关键词：
CRYSTAL STRUCTURES; TIN COMPLEXES; POLYDENTATE LIGAND COMPLEXES; THIOSEMICARBAZONE COMPLEXES; CHELATE COMPLEXES;
D O I：
10.1016/0020-1693(94)03798-1
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two new heptacoordinated organotin complexes, [MeSnCl(Hdaptsc)]Cl.MeOH (1) and MeSnCl(H2dapsc)]Cl2.2H2O (2), have been prepared from MeSnCl3 and H-2daptsc and H-2dapsc, respectively. Single crystal X-ray diffraction studies showed them to be approximately pentagonal bipyramidal (PBP), with the organic ligands lying in the equatorial plane. H-2daptsc and SnCl4 form a complex with the formula [ClSnCl(Hdaptsc)]Cl (3), which is presumed to have an analogous PBP structure. On the other hand, the complex obtained from H-2dapsc and Me2SnCl2 is tentatively formulated as [(Me2SnCl2)2(H2dapsc)] (4), and Sn-119 Mossbauer spectroscopic evidence suggests an octahedral coordination for the two tin atoms.
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页码：139 / 142
页数：4
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