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27 November 2022
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The structures of N,N0-bis(2-methylphenyl)-2,20-thiodibenzamide, C28H24N2O2S, (Ia), N,N0-bis(2-ethylphenyl)-2,20-thiodibenzamide, C30H28N2O2S, (Ib), and N,N0-bis(2-bromophenyl)-2,20-thiodibenzamide, C26H18Br2N2O2S, (Ic), are compared with each other. For the 19 atoms of the consistent
thiodibenzamide core, the r.m.s. deviations of the molecules in pairs are 0.29, 0.90 and 0.80 A˚ for (Ia)/(Ib), (Ia)/(Ic) and (Ib)/
(Ic), respectively. The conformations of the central parts of molecules (Ia) and (Ib) are similar due to an intramolecular N—HO hydrogen-bonding interaction. The molecules of (Ia) are further linked into infinite chains along the c axis by intermolecular N—HO interactions, whereas the molecules
of (Ib) are linked into chains along b by an intermolecular N—H contact. The conformation of (Ic) is quite different
from those of (Ia) and (Ib), since there is no intramolecular N—HO hydrogen bond, but instead there is a possible intramolecular N—HBr hydrogen bond. The molecules are
linked into chains along c by intermolecular N—HO hydrogen bonds.
