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X-ray powder diffraction study of DMAN complexes with phthalic acids

Published online by Cambridge University Press:  01 March 2012

A. Rafalska-Lasocha ,
K. Surówka  and
W. Lasocha
A. Rafalska-Lasocha
Affiliation:
Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
K. Surówka
Affiliation:
Agricultural University of Cracow, Department of Refrigeration and Food Concentrates, ul. Balicka 122, 30-149 Krakow, Poland
W. Lasocha*
Affiliation:
Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
*
a)Author to whom all correspondence should be addressed. Electronic mail: lasocha@chemia.uj.edu.pl
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Abstract

Complexes of 1,8-bis(dimethylamino)naphthalene, known also as DMAN, with phthalic acid, terephthalic acid, and 5-aminoisophthalic acid were synthesized and investigated by means of powder diffraction methods. DMAN and phthalic acid complexes crystallize in the orthorhombic system, space group Pnmm (59) with the lattice parameters a=1.17423(3) nm, b=1.7124(4) nm, c=0.9933(4) nm, V=1.997 24 nm3, whereas DMAN complexes with terephthalic acid or 5-aminoisophthalic acid crystallize in the monoclinic system in the space group P2 or P2∕m with the lattice parameters a=2.4337(5) nm, b=0.9665(2) nm, c=1.1800(3) nm, β=91.53(2)°, V=2.774 51 nm3 and a=2.1609(7) nm, b=1.1017(6) nm, c=1.8921(7) nm, β=112.095(34)°, V=4.173 46 nm3, respectively.

Keywords

X-ray powder diffractionDMAN complexes
Type
New Diffraction Data
Information
Powder Diffraction , Volume 20 , Issue 1 , March 2005 , pp. 62 - 66
Copyright
Copyright © Cambridge University Press 2005

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