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X-ray Structural Analyses of Two Allotropes of Cycloheptasulfur ( γ and δ-S<sub>7</sub> ) [1]
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1980
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X-ray CrystallographyInorganic ChemistryX-ray Structural AnalysesCrystal StructureEngineeringBiochemistryNatural SciencesApproximate Cs SymmetryStructure ElucidationOrganic ChemistryBond DistancesMonoclinic AllotropesChemistrySupramolecular ChemistryCrystallography
Abstract X-ray structural analyses of two monoclinic allotropes of cycloheptasulfur carried out at -110 °C revealed almost identical chair-like molecular structures of approximate Cs symmetry with bond distances between 199.5 and 218.2 pm, bond angles between 101.5 and 107.5°, and torsional angles between 0 and 109°.