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The title diorganotin Schiff base derivative, [Sn(C 4 H 9 ) 2 (C 15 H 13 N 3 O 2 S)], features a penta-coordinated tin centre defined by the N, O , S -donor atoms of the di-anionic Schiff base ligand and two methyl-ene-C atoms of the n -butyl substituents. The resultant C 2 NOS donor set defines a geometry inter-mediate between trigonal-bipyramidal and square-pyramidal. In the crystal, amine-N-H⋯O(meth-oxy) hydrogen bonding is found in a helical, supra-molecular chain propagating along the b -axis direction. The chains are assembled into a layer parallel to (01) with methyl-ene-C-H⋯π(phen-yl) inter-actions prominent; layers stack without directional inter-actions between them. The analysis of the calculated Hirshfeld surface showed the presence of weak methyl-ene-C-H⋯π(phen-yl) inter-actions and short H⋯H contacts in the inter-layer region. Consistent with the nature of the identified contacts, the stabilization of the crystal is dominated by the dispersion energy term.

acta crystallographica. section e, crystallographic communications

Di-n-butyl[N′-(3-methoxy-2-oxidobenzylidene)-N-phenylcarbamohydrazonothioato]tin(IV): crystal structure, Hirshfeld surface analysis and computational study