Issue 18, 2012
From the journal:

Dalton Transactions

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

Sukhendu Mandal,a   Arthur C. Reber,b   Meichun Qian,b   Ran Liu,a   Hector M. Saavedra,a   Saikat Sen,c   Paul S. Weiss,‡*a   Shiv N. Khanna*b  and  Ayusman Sen*a  

* Corresponding authors

a Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania, USA
E-mail: psw@cnsi.ucla.edu, asen@psu.edu

b Department of Physics, Virginia Commonwealth University, Richmond, VA 23284, USA
E-mail: snkhanna@vcu.edu

c Schools of Chemistry, University of Hyderabad, Gachibowli, Hyderabad 500046, India

Abstract

The dimeric Zintl ion [Hg2(As7)2]4− has been synthesized with high crystalline yield from the reaction of an ethylendiamine solution of the intermetallic Zintl phase K3As7 with diphenyl mercury. Single crystal X-ray diffraction of [K(2,2,2-crypt)]4[Hg2As14], 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.

Graphical abstract: On the stability of an unsupported mercury–mercury bond linking group 15 Zintl clusters

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Article information

DOI
https://doi.org/10.1039/C2DT30083D
Article type
Communication
Submitted
20 Dec 2011
Accepted
22 Feb 2012
First published
06 Mar 2012

Dalton Trans., 2012,41, 5454-5457

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

S. Mandal, A. C. Reber, M. Qian, R. Liu, H. M. Saavedra, S. Sen, P. S. Weiss, S. N. Khanna and A. Sen, Dalton Trans., 2012, 41, 5454 DOI: 10.1039/C2DT30083D

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