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Issue 7, 2020
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Bis(2,1,3-benzotelluradiazolidyl)2,1,3-benzotelluradiazole: a pair of radical anions coupled by Te⋯N chalcogen bonding

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Abstract

Reduction of 2,1,3-benzotelluradiazole (3) yielded a crystalline solid that features a trimeric dianion formally composed of two [3]˙ and one 3 bridged by unusually asymmetric Te⋯N chalcogen bonds. The solid is diamagnetic due to strong antiferromagnetic coupling, as revealed by CASSCF/CASPT2 and BS-DFT.

Graphical abstract: Bis(2,1,3-benzotelluradiazolidyl)2,1,3-benzotelluradiazole: a pair of radical anions coupled by Te⋯N chalcogen bonding

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Article information


Submitted
16 Oct 2019
Accepted
16 Dec 2019
First published
17 Dec 2019

Chem. Commun., 2020,56, 1113-1116
Article type
Communication

Bis(2,1,3-benzotelluradiazolidyl)2,1,3-benzotelluradiazole: a pair of radical anions coupled by Te⋯N chalcogen bonding

N. A. Puskarevsky, A. I. Smolentsev, A. A. Dmitriev, I. Vargas-Baca, N. P. Gritsan, J. Beckmann and A. V. Zibarev, Chem. Commun., 2020, 56, 1113
DOI: 10.1039/C9CC08110K

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