Crystal structures of the co-crystalline adduct 5-(4-bromo­phen­yl)-1,3,4-thia­diazol-2-amine–4-nitro­benzoic acid (1/1) and the salt 2-amino-5-(4-bromo­phen­yl)-1,3,4-thia­diazol-3-ium 2-carb­oxy-4,6-di­nitro­phenolate

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 4
A perspective view of the centrosymmetric hydrogen-bonded heterotetramer units in the unit cell of (II)

, showing conjoined cyclic R₆⁴(12), R₂²(8), R₁²(6) and S(6) hydrogen-bonded structural motifs.

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

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