A three-dimensional hydrogen-bonded framework in 2-amino-6-(<i>N</i>-methylanilino)pyrimidin-4(3<i>H</i>)-one and a ribbon of fused hydrogen-bonded rings in 2-amino-6-(<i>N</i>-methylanilino)-5-nitropyrimidin-4(3<i>H</i>)-one
作者:Ricaurte Rodríguez、Justo Cobo、Manuel Nogueras、John N. Low、Christopher Glidewell
DOI:10.1107/s0108270107049931
日期:2007.12.15
The molecular dimensions of both 2-amino-6-(N-methylanilino)pyrimidin-4(3H)-one, C11H12N4O, (I), and 2-amino-6-(N-methylanilino)-5-nitropyrimidin-4(3H)-one, C11H11N5O3, (II), are consistent with considerable polarization of the molecular-electronic structures. The molecules of (I) are linked into a three-dimensional framework by a combination of one N-H...N hydrogen bond, two independent N-H...O hydrogen
2-氨基-6-(N-甲基苯胺基)嘧啶-4(3H)-one,C11H12N4O(I)和2-氨基-6-(N-甲基苯胺基)-5-硝基嘧啶-4( 3H)-一,C11H11N5O3,(II),与分子电子结构的相当极化有关。(I)的分子通过一个NH ... N氢键,两个独立NH ... O氢键和一个CH ... pi(芳烃)氢键的组合连接成三维构架。通过两个独立的三中心NH ...(O)2氢键的组合,将(II)的分子连接成包含三种类型的边缘稠合环的带。