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The structure of the DMSO (dimethyl sulfoxide) solvate of the macrocyclic [2+2] dimer, 17,17,37,37-tetramethyl-2,12,22,32-tetraoxa-7,27-dithianonacyclo[36.2.2.2^{3,6}.-2^{8,11}.2^{13,16} .2^{18,21} .2^{23,26} .2^{28,31} .2^{33,36} ]hexapentaconta-3,5,8,-10,13,15,18,20,23,25,28,30,33,35,38,40,41,43,45,47,49,51,53,55-tetracosaene 7,7,27,27-tetraoxide, formed from 4,\!4'-dichlorodiphenyl sulfone and bisphenol-A has been determined by single-crystal techniques and the structure of the unsolvated dimer refined using X-ray powder diffraction data. The molecular conformations are similar and phenyl-phenyl stacking interactions are apparently important in determining the molecular conformation in the solid state. {\rm C_{54}H_{44}O_8S_2} .{\rm C_2H_6OS} (1) cyclo-[p\hbox{-}{\rm C_6H_4)SO_2(}p\hbox{-}{\rm C_6H_4)O(}p{\rm \hbox{-}C_6H_4){\rm C(CH_3)_2(}p{\rm \hbox{-} {\rm C_6H_4)O]_2}.{\rm C_2H_6OS}: molecular weight 963.2, monoclinic, P2_1/c,a=9.702  (2), b=18.623  (3), c=13.676   (2) Å, \beta =91.18 (1)^\circ , V=2470.5  (7) Å^3,Z=2 .{\rm C_{54}H_{44}O_8S_2} (2), cyclo-[(p{\rm \hbox{-} C_6H_4)SO_2(}p{\rm \hbox{-} {\rm C_6H_4)O(}p{\rm \hbox{-} C_6H_4)C(CH_3)_2(}p{\rm \hbox{-} {\rm C_6H_4)O]_2} : molecular weight 885.06, monoclinic, P2_1/c , a=9.5703  (15), b=18.7582  (18), c=13.3945  (12) Å, \beta =92.684 (11)^\circ , V=2402.0  (5) Å^3,Z=2 .

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Rietveld powder data file (CIF format)
Contains datablock CAHI01_publ

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