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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 10, Number 4
BKCSDE 10(4)
April 20, 1989

Title	Crystal Structure of Cholesteryl Methyl Ether
Author	Mi Kyung Yun, Young Ja Park*, Whanchul Shin, B. M. Craven
Keywords
Abstract	Cholesteryl methyl ether(CH3OC27H45) crystallizes in the monoclinic space group P21with a = 11.740 (8), b = 7.576 (5), c = 15.492 (10)Å, β = 110.39 (5)°, Z = 2, Dc = 1.03 g/cm3 and Do = 0.96 g/cm3. The intensities were collected on a Nonius CAD-4 diffractometer with Nb-filtered Mo-Kα radiation. The structure was solved by direct methods and refined by full matrix least-squares methods. The final R factor was 0.085 for 1479 observed reflections. Compared with other cholesterol derivatives, the cholesteryl ring and tail region of the molecule are normal. The molecular long axes are parallel to the [101] axis and molecules are packed together in a similar way to those in cholesteryl cliloride and bromide.
Page	335 - 339
Full Text	PDF

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