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Zinc; trizole; clusters; cationic compounds.

A linear trinuclear cluster of the type [{Zn₃ (HTrz)₆ (H₂O)₆}⁶⁺ (NO$_{3}^{−}$)₆ (H₂O)] (ZnT) has been synthesized by one-pot reaction between 1,2,4-triazole and Zn(NO₃).6H₂O. Molecule consists of three Zn²⁺ ions linearly connected by 1,2,4-triazole with tri-fold symmetry. The coordination geometry around the zinc centre is octahedral with zinc-zinc separation of 3.810 Å. The coordination environment of central Zn²⁺ ion is satisfied by nitrogen atoms of six 1,2,4-triazoles, while the geometry of terminal Zn²⁺ ions is fulfilled by nitrogen atoms of three 1,2,4-triazoles and three water molecules. The thermal and absorption properties of ZnT have been reported for the first time.

Chatla Naga Babu¹ Paladugu Suresh¹ Arruri Sathyanarayana¹ Prasenjit Das¹ Ganesan Prabusankar¹

1. Department of Chemistry, Indian Institute of Technology Hyderabad, ODF Estate, Yeddumailaram, Telangana, India 502 205

Published

August 2015

Manuscript received

16 March 2015

Manuscript revised

21 April 2015

Accepted

24 April 2015

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