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|Title:||Crystal structure of 4-p-hydroxyphenyl-2,2,4-trimethyl-7,8- benzothiachroman: a fused-ring counterpart of thia-Dianin's compound.|
|Citation:||Acta Crystallographica Section E|
|Abstract:||Abstract The title compound, C22H22OS [systematic name 4-(1,3,3-trimethyl-2,3-dihydro-1H-4-thia- phenanthren-1-yl)-phenol] crystallizes unsolvated from nitromethane as colourless prisms m.p. 152–154 °C, in the polar monoclinic space group Ia with Z' = 2, (molecules A and B). Both independent molecules possess a very similar proximal conformation, this referring to the juxtaposition of the p-hydroxyphenyl substituent with respect to the syn related methyl group. In the crystal, molecule A is linked to molecule B by an O—H···O hydrogen bond. In turn, molecule B exhibits a weak O—H··· interaction with the phenolic group of molecule A related by a-glide symmetry. Together, these lead to  chains.|
|Appears in Collections:||Dept of Mechanical Aerospace and Civil Engineering Research Papers|
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