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IJPAP Vol.42(07) [July 2004] >

Title: Crystallographic analysis of 1H, 4H-tetrahydro-8-methyl-quinolizino-(9,9a,1gh)coumarin
Authors: Rajnikant
Sharma, Bandhan
Keywords: Crystal structure
Issue Date: Jul-2004
Publisher: CSIR
IPC CodeG01 J 3/00
Abstract: The crystal structure of 1H,4H-tetrahydro-8-methyl-quinolizino-(9,9a,1gh)coumarin (C16H17NO2) has been determined by X-ray crystallographic techniques. The compound crystallizes in monoclinic space group P21/n with unit cell parameters: a = 8.657(5) Å, b = 10.251(5) Å, c = 14.508(5) Å, = 96.61(1)°, Z = 4, V = 1278.91(11) Å3. The structure has been solved by direct methods and refined upto reliability index of 4.8%. The fused benzene and pyrone rings are planar. Both the piperidine rings exist in distorted sofa conformation. The crystal structure is stabilized by C-H...O hydrogen bonds.
Page(s): 524-527
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.42(07) [July 2004]

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