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THE CRYSTAL STRUCTURE OF P-CHLORO BENZOYL PIPERIDINE
Author(s) -
Song Shiying,
QiTai Zheng,
Cun-Heng He
Publication year - 1982
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.31.116
Subject(s) - orthorhombic crystal system , diffractometer , crystal (programming language) , crystal structure , molecule , fourier transform , piperidine , crystallography , materials science , tetragonal crystal system , hydrogen atom , atom (system on chip) , position (finance) , group (periodic table) , physics , chemistry , stereochemistry , quantum mechanics , finance , computer science , economics , programming language , embedded system
The p-chloro benzoyl piperidine. C12H14 ONCL crystal belongs to the orthorhombic system. The space group is P21 21 21 with α=11.490(6)?, b = 10.462(5)?, c=9.928(5)?, z = 4 and calculated density Dc= 1.2410 gcm-3. The intensity data were collected on a Philips PW-1100 diffractometer. With the chlorineatom position found from Patterson method, the structure was determined by Fourier synthesis and refined by full-matrix least square method to a final R value of 0.093 for 697 reflexions. The hydrogen atom coordinate parameters were obtained from difference Fourier synthesis. The absolute configuration of molecule was determined by anomalous scattering method.

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