Fontenot PR, Wang B, Chen Y, Donahue JP. Crystal structure of tetra-iso-butyl-thiuram di-sulfide.
Acta Crystallogr E Crystallogr Commun 2017;
73:1764-1769. [PMID:
29152369 PMCID:
PMC5683509 DOI:
10.1107/s2056989017015158]
[Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Accepted: 10/17/2017] [Indexed: 11/24/2022]
Abstract
Tetra-kis(2-methyl-prop-yl)thio-per-oxy-dicarbonic di-amide, or tetra-iso-butyl-thiuram di-sulfide, C18H36N2S4, crystallizes in a general position in the triclinic space group P-1 but shows pseudo-C2 symmetry about the di-sulfide bond. The C-S-S-C torsion angle [-85.81 (2)°] and the dihedral angle between the two NCS2 mean planes [85.91 (5)°] are within the range observed for this compound type. Multiple intra- and inter-molecular S⋯H-C close contacts appear to play a role in assisting the specific conformation of the pendant isobutyl groups and the packing arrangement of mol-ecules within the cell. Tetra-iso-butyl-thiuram di-sulfide mol-ecules of one optical configuration form sheets in the plane of the a and b axes. Inversion centers exist between adjoining sheets, which stack along the c axis and alternate in the handedness of their constituent mol-ecules.
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