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Effect of positional isomers on the photochromic behaviors of bipyridyltriazolium chloroantimonate hybrids

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Abstract

Two chloroantimonate hybrids with isomeric bipyridyltriazoliums and similar packing patterns, {[2-bpt]2[(SbCl5)Cl2]}n (1) and {[4-bpt]2[(SbCl5)Cl2]}n (2) (2-bpt2+ = protonated 3,5-bis(pyridine-2-yl)-1,2,4-triazole, 4-bpt2+ = protonated 3,5-bis(pyridine-4-yl)-1,2,4-triazole), have been designed and synthesized. Distinct intermolecular electronic interactions and photochromic behaviors are attributed to the remarkable modulation of positional isomeric effect on the electron deficiency of the acceptors and donor–acceptor matching relationship. 1 is the first reported photochromic chloroantimonate hybrid.

Graphical abstract: Effect of positional isomers on the photochromic behaviors of bipyridyltriazolium chloroantimonate hybrids

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Article information


Submitted
09 Jan 2020
Accepted
10 Mar 2020
First published
10 Mar 2020

Dalton Trans., 2020, Advance Article
Article type
Paper

Effect of positional isomers on the photochromic behaviors of bipyridyltriazolium chloroantimonate hybrids

J. Shen, X. Kang, Q. Ren, G. Li, Y. Gao, P. Hao and Y. Fu, Dalton Trans., 2020, Advance Article , DOI: 10.1039/D0DT00092B

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