Yumin Huang, Siping Wei, Z. Wang
May 20, 2009
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Acta Crystallographica Section E: Structure Reports Online
Abstract
The title compound, C18H18N3O+·PF6 −, is a chiral bicyclic 1,2,4-triazolium salt which contains four rings, viz. a triazolium, a morpholine and two phenyl rings. Analysis of bond lengths shows that the N—CH—N group in the triazolium ring conforms to a typical three-center/four-electron bond (also known as the Pimentel–Rundle three-center model). The structure is completed by a disordered PF6 − counter-ion [occupancies of F atoms 0.678 (8):0.322 (8)], which interacts with the main molecule through weak intermolecular P—F⋯π interactions.