High Quality Content by WIKIPEDIA articles! The IUPAC defines pseudorotation as "a conformational change resulting in a structure that appears to have been produced by rotation of the entire initial molecule and is superimposable on the initial one, unless different positions are distinguished by substitution or isotopic labeling. No angular momentum is generated by this motion; this is the reason for the term." Formally it refers to symmetrical molecules, although the mechanism is invoked for low-symmetry species also. A small displacement of the atomic positions leads to a loss of symmetry until the symmetric product forms. Although not formally required, pseudorotation normally involves displacements along low-energy pathways. Данное издание представляет собой компиляцию сведений, находящихся в свободном доступе в среде Интернет в целом, и в информационном сетевом ресурсе "Википедия" в частности. Собранная по частотным запросам указанной тематики, данная компиляция построена по...

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