Abstract
C18H10S2,M=290.34, monoclinic,P21,a=20.556(5),b=15.843(3),c=3.963(1) Å,β=92.79(2)° at 18°C,Z=4,D x =1.496 g cm−3,μ(Cu Kα)=3.53 mm−1. Full-matrix least-squares refinement resulted in a final conventionalR value of 0.036 for 2030 observed reflections. The average C-S bond distance is 1.747(16) Å, the S-S bond length is 2.074(1) Å. The torsion angles at the disulfide group are close to zero, at 3.5 and 0.8°. The carbon frameworks are nearly planar, and closely approximate symmetrymmm. Bond distances are comparable with those in related molecules.
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Katz, H., Conturo, T.E., Nigrey, P.J. et al. Naphthaceno[5,6-cd]-1,2-dithiole, C18H10S2 . Journal of Crystallographic and Spectroscopic Research 13, 221–229 (1983). https://doi.org/10.1007/BF01161516
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DOI: https://doi.org/10.1007/BF01161516