On the stability of an unsupported mercury-mercury bond linking group 15 Zintl clusters

Sukhendu Mandal, Arthur C. Reber, Meichun Qian, Ran Liu, Hector M. Saavedra, Saikat Sen, Paul S. Weiss, Shiv N. Khanna, Ayusman Sen

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12 Scopus citations

Abstract

The dimeric Zintl ion [Hg 2(As 7) 2] 4- has been synthesized with high crystalline yield from the reaction of an ethylendiamine solution of the intermetallic Zintl phase K 3As 7 with diphenyl mercury. Single crystal X-ray diffraction of [K(2,2,2-crypt)] 4[Hg 2As 14], 1 (2,2,2-crypt = 4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo[8.8.8]-hexacosane), reveals that the cluster anion exhibits a Hg-Hg bond and the compound has been further characterized using Raman spectroscopy, cyclic voltammetry and its band gap energy was measured. Theoretical studies provide a microscopic understanding of the bonding in this unusual compound.

Original languageEnglish (US)
Pages (from-to)5454-5457
Number of pages4
JournalDalton Transactions
Volume41
Issue number18
DOIs
StatePublished - May 14 2012

All Science Journal Classification (ASJC) codes

  • Inorganic Chemistry

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