Gautam R Desiraju
Articles written in Journal of Chemical Sciences
Volume 96 Issue 5 March 1986 pp 351-362 Physical and Theoretical
Recurrence relations have been employed to obtain the maximum possible theoretical conversion in a topochemically controlled organic solid state reaction. Experimental deviations from this analytical value of ≈82% reflect the importance of defects, molecular relaxation and surface phenomena in real crystals.
Volume 96 Issue 6 April 1986 pp 599-605
Since chloro and methyl groups have nearly the same volume, they may be interchanged in a molecule without altering the crystal structure. Such isostructural behaviour is found when crystal stabilization is mainly through dispersive and repulsive interactions. Violations of this rule are, however, observed when directional forces or weak bonds are involved and the failure of complete chloro-methyl exchange in a substance like hexachlorobenzene, points to the importance of weakly attractive Cl...Cl interactions.
Volume 108 Issue 3 June 1996 pp 322-322 Modern Trends In Inorganic Chemistry
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