%0 Journal Article
%T Dimethyl 2-[(acridin-9-yl)methylidene]malonate
%A Sinara M. V. de Almeida
%A Ivan R. Pitta
%A Maria do Carmo A. de Lima
%A Francisco J. B. Mendon£¿a Junior
%J Acta Crystallographica Section E
%D 2013
%I International Union of Crystallography
%R 10.1107/s1600536813000500
%X In the title compound, C19H15NO4, the acridine system is essentially planar (r.m.s. deviation = 0.015  ). The crystal packing exhibits ¦Ð¨C¦Ð interactions between pairs of centrosymmetric molecules, one of them between the central heterocyclic rings and others between the outer benzene rings of the acridine systems, with centroid¨Ccentroid distances of 3.692 (1) and 3.754 (1)  , respectively. These pairs are further linked by additional ¦Ð¨C¦Ð interactions along the a-axis direction through one of the two outer benzene ring of neighboring molecules, with a centroid¨Ccentroid distance of 3.642 (2)  .
%U http://scripts.iucr.org/cgi-bin/paper?S1600536813000500