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Issue 18, 2012
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On the stability of an unsupported mercury–mercury bond linking group 15 Zintl clusters

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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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Publication details

The article was received on 20 Dec 2011, accepted on 22 Feb 2012 and first published on 06 Mar 2012


Article type: Communication
DOI: 10.1039/C2DT30083D
Citation: 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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