摘 要: | Aschemicalnomenclaturewasoriginallydevelopedforcompoundsinthesolutionstate,thereissomeconfusionintheproperuseoftheterm慶hiralfordescribingcertaincrystalstructures.Thishasledtoanumberofcompoundsbeingincorrectlycategorizedasbeingchiralalthoughtheybelongtocentrosymmetricspacegroupsorthosehavingmirrorplanes.Achiralcompoundthatseparatesfromsolutionasacrystallinematerialmustnecessarilypackinamotifsuchthatothermoleculesintheunitcellarenotsuperimposableontheirownmirrorimages.Theconditionforopticalacti…
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