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Research Article Open access CC BY 4.0

XRD Studies, Spectral Characteristics, TGA and DFT of 2,4-Diamino-6-phenyl-1,3,5-triazine: Phenylthioacetic Acid Cocrystal

S. Kumaresan, V. Velmurugan, P. Palanisamy, N. Bhuvanesh, R. Subramanian, V. S. Pradosh, P. Ramkumar

Asian Journal of Chemical Sciences · pp. 1–11 · Published 20 Jul 2017

10.9734/AJOCS/2017/32615

Abstract

The title compound was prepared crystallizing together the co-formers namely, 2,4-diamino-6-phenyl-1,3,5-triazine (DAPT) and phenylthioacetic acid (PTAA) in methanol. The compound crystallized in the orthorhombic space group Pca21 with a = 12.384(2) Å, b = 18.698 (3) Å, c = 7.0428(11) Å, V = 1630.8(5) Å3, and Z = 4. The compound existed as a 1:1 cocrystal. The dihedral angle between the two formers is 50.89(9)°. The primary and secondary interactions between DAPT and PTAA form two different discrete chains C(3) that link the DAPT ribbons in adjacent layer. Mass spectra indicate the transfer of a carboxylic acid proton to form PTAA to the nitrogen of DAPT.

Molecular cocrystal DAPT:PTAA XRD mass TGA DFT

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