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Mirror-disordered crystal structure of 1,1,3,3,8,8,10,10-octamethyl-4,11-dioxo-2,9-dioxa-6,12,13-trithia-dispiro[4.1.4.2]tridecane

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Abstract

The title compound, C16H24O4S3, crystallizes in the monoclinic system:a= 7.933(9) Å,b= 10.965(12) Å,c= 11.294(13) Å, β = 105.54(6) °,Z = 2, space groupP21 orP21/m. The structure could not be solved by direct methods in the former space group and was found to be disordered inP21/m with the molecule and its image mirrored aty= 1/4,3/4 occupying the same lattice site with occupancy 0.5.The manner in which molecular conflicts can be avoided in theP21/m structure is discussed. The molecular structure proposed by Praefcke et al. (1973) was confirmed.

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References

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Authors and Affiliations

  1. Department of Chemistry, University of Toronto, M5S 1A1, Toronto, Canada

    P. -T. Cheng & S. C. Nyburg

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  1. P. -T. Cheng
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  2. S. C. Nyburg
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Cheng, P.T., Nyburg, S.C. Mirror-disordered crystal structure of 1,1,3,3,8,8,10,10-octamethyl-4,11-dioxo-2,9-dioxa-6,12,13-trithia-dispiro[4.1.4.2]tridecane. Journal of Crystal and Molecular Structure 5, 305–316 (1975). https://doi.org/10.1007/BF01270619

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  • DOI: https://doi.org/10.1007/BF01270619

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