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X‐ray diffraction study of a pseudo single crystal prepared from a crystal belonging to point group 2
Author(s) -
Kimura Fumiko,
Kimura Tsunehisa,
Oshima Wataru,
Maeyama Masataka,
Aburaya Kazuaki
Publication year - 2010
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889809048006
Subject(s) - crystallite , single crystal , diffraction , crystal (programming language) , materials science , crystallography , powder diffraction , chemistry , optics , physics , computer science , programming language
A pseudo single crystal (a composite of matrix resin and powder crystallites, wherein the individual crystallites are aligned three‐dimensionally) was prepared from a powder of sucrose, and its X‐ray diffraction pattern was studied. A powder of sucrose crystals suspended in a UV‐curable resin precursor was subjected to magnetic alignment in order to align the individual crystallites three‐dimensionally, and then the resin precursor was photopolymerized to maintain this orientation. The pseudo single crystal thus obtained produced a well resolved X‐ray diffraction profile that is similar to that produced by a twin crystal. The origin of the twin orientation was explained in terms of the interplay between the symmetry of magnetic susceptibility axes and the crystal symmetry (point group 2) of sucrose. The crystal structure of sucrose solved using the pseudo single crystal was in excellent agreement with that solved using a single crystal.