Abstract
The crystal structures of two cyclic poly(phenylene sulfides) have been determined. The structure of the (p−C6H4−S)1 heptamer contains four crystallographically independent molecules, which are related in pairs by approximate symmetry centers. The molecules in the pairs have similar conformations and form alternating monomolecular layers parallel to the ab plane. The molecule of the (p−C6H4−S)8 octamer has S4 crystallographic symmetry (a saddle-shaped conformation), and solvent molecules are found in the intramolecular cavities in the crystal.
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Additional information
A. N. Nesmeyanov Institute of Organometallic Compounds, Academy of Sciences of the USSR. Translated from Zhurnal Strukturnoi Khimii, Vol. 32, No. 2, pp. 125–132, March–April, 1991.
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Ovchinnikov, Y.É., Zamaev, I.A., Shklover, V.E. et al. Crystal and molecular structures of cyclohepta(p-phenylene sulfide) and cycloocta(p-phenylene sulfide). J Struct Chem 32, 257–264 (1991). https://doi.org/10.1007/BF00777198
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DOI: https://doi.org/10.1007/BF00777198