On enantiomorph-polarity estimation is a research paper published in Acta Crystallographica Section A Foundations of Crystallography (1983). On theSindex it has a DataRank of 1.4. It has been cited 10,373 times.
The behaviour of Rogers's η parameter for enantiomorph-polarity estimation is examined theoretically and experimentally on simulated intensity data for seven well-assorted compounds. An alternative parameter x, based on incoherent scattering from twin components related by a centre of symmetry, is also considered. It is found that both parameters are very well adapted to implementation in a least-squares program and converge well. The η parameter can give false and over-precise indications of chirality-polarity for structures which are nearly centrosymmetric, whereas the x parameter does not have this fault and converges more rapidly than η.
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1.4
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