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´Pseudopolymorphs′ of 3aβ,4α-dihydro-4β,10-dimethyl-2-phenyl-1H,3H,5H-pyrrolo[3,4-b]carbazol-1,3-dione
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Kamil F. Dziubek
Published/Copyright:
September 25, 2009
Abstract
A crystal structure of 3aβ,4α-dihydro-4β,10-dimethyl-2-phenyl-1H,3H,5H-pyrrolo[3,4-b]carbazol-1,3-dione, mistakenly presented as two polymorphs [Acta Crystallogr. B51 (1995) 999–1003] illustrates a general problem of validating crystallographic data described in different unit-cell settings.
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Published Online: 2009-9-25
Published in Print: 2004-2-1
© 2004 Oldenbourg Wissenschaftsverlag GmbH
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Articles in the same Issue
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- Intensity distribution of the eight-beam case of the Si-888 reflection in backscattering geometry
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