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KMID : 0370219820260010009
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Yakhak Hoeji
1982 Volume.26 No. 1 p.9 ~ p.23
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The Crystal and Molecular Structure of Carbutamide, C11H17N303S
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구정회/Koo CH
조성일/연양희/Cho SI/Yeon YH
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Abstract
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The structure of 1-butyl-3-sulfanyl urea, C11H17N303S, carbutamide has been determined from 575 significant independent reflections collected on an automated four-circle diffractometer. The crystals are orthorhombic, space group, P212121, Z=4, with unit cell dimensions a=9.257 (2), b=9.928 (2), c=15.287 (3) Angstroem. The structure was solved by the direct methods and refined by least-squares procedure to a final R value of 0.062. Features of the structure include layers of molecules joined by N-H....0 hydrogen bond distances ranging from 2.745 to 3.100Angstroem involved in a bifurcated hydrogen bond across two fold screw along a and b axes. The atoms forming the urea system are essentially planar.
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KEYWORD
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