Issue 23, 2018
From the journal:

CrystEngComm

Negative 2D thermal expansion in the halogen bonded acetone bromine complex†

W. G. Marshall,‡a   R. H. Jones ORCID logo *b  and  K. S. Knightcd  

* Corresponding authors

a ISIS Facility, STFC Rutherford Appleton Lab, Harwell Oxford, Didcot OX11 0QX, Oxon, England, UK
Fax: +44 (0)1235 4455720
Tel: +44 (0)1235 445434

b School of Chemical and Physical Sciences, Keele University, Keele, ST5 5BG UK
E-mail: Chemistry@keele.ac.uk
Fax: +44 (0)1792 712378
Tel: +44 (0)1782 733033

c Department of Earth Sciences, University College London, Gower Street, London, WC1E 6BT UK

d Department Of Earth Sciences, The Natural History Museum, Cromwell Road, London, SW7 5BD UK

Abstract

The crystal structure of the complex formed between acetone and bromine has been determined between 14 K and 200 K. The structure exhibits negative 2D thermal expansion at low temperature and colossal thermal expansion in the perpendicular dimension. At low temperature the C[double bond, length as m-dash]O bond is significantly longer than that observed in free acetone.

Graphical abstract: Negative 2D thermal expansion in the halogen bonded acetone bromine complex

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Article information

DOI
https://doi.org/10.1039/C7CE01923H
Article type
Paper
Submitted
06 Nov 2017
Accepted
04 May 2018
First published
14 May 2018

CrystEngComm, 2018,20, 3246-3250

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Negative 2D thermal expansion in the halogen bonded acetone bromine complex

W. G. Marshall, R. H. Jones and K. S. Knight, CrystEngComm, 2018, 20, 3246 DOI: 10.1039/C7CE01923H

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