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The Chemical Educator

ISSN: 1430-4171 (electronic version)

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Abstract Volume 16 (2011) pp 282-285

The Union of Incipent π-Bond Orders and FMO Arguments: a CompleteApproach to Transition-state Assessments for Concerted Reactions

Richard Francis Langler

Department of Chemistry, Mount Allison University, Sackville, New Brunswick, E4L 1G8,Canada,
Received July 5, 2011. Accepted September 19, 2011.

Published: 14 October 2011

Abstract. The strengths and weaknesses of the Hückel/Möbius and FMO approaches to transition-state assessments are described. A proposed union of the two approaches remedies the weaknesses and provides a superior method for examining concerted reactions. Selected exemplary reactions are included.

Key Words: In the Classroom; physical organic chemistry; Hückel Theory, concerted reactions; orbital symmetry

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