2,5-bis(1,3-dithiol-2-ylidene)-1,3,4,6-tetrathiapentalene (TTP) derivatives having four long alkylthio chains

被引：18

作者：

Kimura, S ^{[1
]}

Kurai, H ^{[1
]}

Mori, T ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Organ & Polymer Mat, Tokyo 1528552, Japan

来源：

TETRAHEDRON | 2002年 / 58卷 / 06期

关键词：

TTP derivatives; long alkylthio chains; single-component crystal; X-ray analysis; room-temperature resistivity; charge-transfer salts;

D O I：

10.1016/S0040-4020(01)01223-6

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

pi-Electron donors having four long alkylthio chains, TTCn- TTP (2,5-bis[4,5-bis(alkylthio)-1,3-dithiol-2-ylidene]-1,3,4,6-tetrathiapentalene; n=2-5; 1a-d) have been synthesized. Crystals consisting of the neutral donors show moderately low resistivities (6x10(3)-6x10(7) Omega cm). Origins of the low resistivities are investigated by X-ray analyses; TTC3-TTP (1b) displays so-called theta-type donor arrangement in contrast to TTC4-TTP (1c) with uniform-stacked one, both of which indicate fastener effect. (C) 2002 Elsevier Science Ltd. All rights reserved.

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页码：1119 / 1124

页数：6

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