Thallium(I) complexes with modified poly(pyrazolyl)borate ligands - metal-ligand coordination and crystal packing

被引：74

作者：

Craven, E ^{[1
]}

Mutlu, E ^{[1
]}

Lundberg, D ^{[1
]}

Temizdemir, S ^{[1
]}

Dechert, S ^{[1
]}

Brombacher, H ^{[1
]}

Janiak, C ^{[1
]}

机构：

[1] Univ Freiburg, Inst Anorgan & Analyt Chem, D-79104 Freiburg, Germany

来源：

POLYHEDRON | 2002年 / 21卷 / 5-6期

关键词：

thallium(I) complexes; scorpionate ligands; crystal packing; pi-stacking; cation-pi interaction;

D O I：

10.1016/S0277-5387(01)01026-9

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The structures of the thallium(I) complexes with hydrotris(pyrazolyl)borate (TpT1, 2-T1), and the modified Bp and Tp ligands dihydrobis( 1,2,4-triazolyl)borate (3-T1), hydrotris(imidazolyl)borate (6-T1), dihydrobis(indazolyl)borate (7-T1), and hydrotris(indazolyl)borate (8-T1) are reported and discussed in terms of their (molecular) metal-ligand arrangement and their crystal packing. Compounds 2-T1 and 7-T1 feature molecular TpT1 and BpT1 units with pronounced T1...pi(azolyl) interactions between neighboring molecules. In 8-T1 the molecular units are arranged in pairs through indazolyl pi(...)pi stacking. Complexes 3-T1 and 6-T1 form extended 3D and ID structures, respectively, through the bridging action of the poly(azolyl)borate ligand between three symmetry related thallium centers. Compounds 2-T1, 3-T1, and 8-T1 crystallize in the chiral space groups P2(1), P2(1)2(1)2(1) and C2, respectively. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：553 / 562

页数：10

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