Isostructurality in one and two dimensions: isostructurality of polymorphs

Fabian, Laszlo and Kalman, Alajos (2004) Isostructurality in one and two dimensions: isostructurality of polymorphs. Acta Crystallographica Section B, 60 (5). pp. 547-558.

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A set of polymorphic crystal structures was retrieved from the Cambridge Structural Database in order to estimate the frequency of isostructurality among polymorphs. Altogether, 50 structures, the polymorphs of 22 compounds, were investigated. It was found that one-, two- or three-dimensional isostructurality is exhibited by approximately half of the compounds analyzed. Among the isostructural polymorphs, the frequency of one-, two- and three-dimensional isostructurality is similar. From the examples, it appears that three-dimensional isostructurality is connected to the gradual ordering of crystal structures, while one- and two-dimensional isostructurality can often be related to specific packing interactions. The possibility of many similar interactions seems to decrease the probability of the occurrence of isostructural polymorphs. Conformational polymorphs do not exhibit isostructurality.

Item Type: Article
Faculty \ School: Faculty of Science > School of Pharmacy
UEA Research Groups: Faculty of Science > Research Groups > Drug Delivery and Pharmaceutical Materials (former - to 2017)
Faculty of Science > Research Groups > Pharmaceutical Materials and Soft Matter
Depositing User: Rachel Smith
Date Deposited: 15 Mar 2011 13:22
Last Modified: 06 Mar 2023 16:30
DOI: 10.1107/s0108768104015113

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