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Crystal data and X-ray powder diffraction data of two derivatives of 4-chloro-2,2′-iminodibenzoic acid: diethyl 4-chloro-2,2′-iminodibenzoate, C18H18ClNO4, and dimethyl 4-chloro-2,2′-iminodibenzoate, C16H14ClNO4

Published online by Cambridge University Press:  10 January 2013

Héctor Novoa de Armas ,
Armando Paneque Quevedo  and
José Antonio Henao Martínez
Héctor Novoa de Armas*
Affiliation:
Center of Pharmaceutical Chemistry, Analytical Department, P.O. Box 16042, Havana, Cuba
Armando Paneque Quevedo
Affiliation:
Center of Pharmaceutical Chemistry, Analytical Department, P.O. Box 16042, Havana, Cuba
José Antonio Henao Martínez
Affiliation:
Industrial University of Santander, Faculty of Sciences, Department of Chemistry, P.O. Box 678, Bucaramanga, Santander, Colombia
*
a) Author to whom correspondence should be addressed. Present address: K. U. Leuven Laboratorium voor Analitysche Chemie en Medicinale Fysicochemie, Faculteit Farmaceutische Wetenschappen Van Evenstraat 4, 3000-Leuven, Belgium.
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Abstract

Two derivatives of 4-chloro-2,2′-iminodibenzoic acid: diethyl 4-chloro-2,2′-iminodibenzoate, C18H18ClNO4, and dimethyl 4-chloro-2,2′-iminodibenzoate C16H14ClNO4, have been investigated by means of X-ray powder diffraction. The unit cell dimensions were determined from diffractometer methods, using monochromatic CuKα1 radiation, and evaluated by indexing programs. The monoclinic cell found for diethyl 4-chloro-2,2′-iminodibenzoate was a=21.332(3) Å, b=7.889(2) Å, c=10.156(2) Å, β=91.43(1)°, Z=4, space group P2 (No. 3), Pm (No. 6), or P2/m (No. 10), Dx=1.351 mg/m3. The cell found for this compound is in good agreement with the one obtained from single crystal X-ray diffractometry. The monoclinic cell found for dimethyl 4-chloro-2,2′-iminodibenzoate has the dimensions a=15.962(2) Å, b=5.151(2) Å, c=12.590(2) Å, β=98.35(1)°. Z=4, space group P2 (No. 3), Pm (No. 6), or P2/m (No. 10), Dx=2.073 mg/m3.

Type
Research Article
Information
Powder Diffraction , Volume 13 , Issue 3 , September 1998 , pp. 175 - 177
Copyright
Copyright © Cambridge University Press 1998

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