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Aperiodicity, structure, and dynamics in Ni(CN)(2)

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Goodwin, A. L., Dove, M. T., Chippindale, A. M. ORCID: https://orcid.org/0000-0002-5918-8701, Hibble, S. J., Pohl, A. H. and Hannon, A. C. (2009) Aperiodicity, structure, and dynamics in Ni(CN)(2). Physical Review B, 80 (5). 054101. ISSN 1098-0121

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To link to this item DOI: 10.1103/PhysRevB.80.054101

Abstract/Summary

By combining the results of both x-ray diffraction and neutron total-scattering experiments, we show that Ni(CN)(2) exhibits long-range structural order only in two dimensions, with no true periodicity perpendicular to its gridlike layers. Reverse Monte Carlo analysis gives an experimental distinction between M-C and M-N bond lengths in a homometallic cyanide framework and identifies the vibrational modes responsible for anomalous positive and negative thermal expansion in the title compound.

Item Type:Article
Refereed:Yes
Divisions:Interdisciplinary centres and themes > Chemical Analysis Facility (CAF) > Xray (CAF)
Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
ID Code:11281
Uncontrolled Keywords:bond lengths, long-range order, Monte Carlo methods, neutron diffraction, nickel compounds, space groups, thermal expansion, vibrational modes, X-ray diffraction , TOTAL NEUTRON-DIFFRACTION, NICKEL CYANIDE, THERMAL-EXPANSION, SCATTERING, MOLECULES
Publisher:American Physical Society
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