Photoisomerization mechanism of iminoguanidinium receptors from spectroscopic methods and quantum chemical calculations

Author:

Dang Duy-Khoi1ORCID,Einkauf Jeffrey D.2ORCID,Ma Xinyou2ORCID,Custelcean Radu2ORCID,Ma Ying-Zhong2ORCID,Zimmerman Paul M.1ORCID,Bryantsev Vyacheslav S.2ORCID

Affiliation:

1. Department of Chemistry, University of Michigan, Ann Arbor, MI 48109, USA

2. Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831-6119, USA

Abstract

The multiconfigurational reaction path features a small barrier for a pyridine-appended iminoguanidinium photoswitch from the Franck–Condon geometry of the E isomer in the π–π* state to the ground state Z photoproduct via the conical intersection.

Funder

U.S. Department of Energy

Chemical Sciences, Geosciences, and Biosciences Division

UT-Battelle

National Science Foundation

Oak Ridge National Laboratory

National Energy Research Scientific Computing Center

Publisher

Royal Society of Chemistry (RSC)

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