DOI: 10.1039/d3cp02810k ISSN: 1463-9076
Excited-state symmetry breaking in quadrupolar pull–push–pull molecules: dicyanovinyl vs. cyanophenyl acceptors
Pragya Verma, Mariusz Tasior, Palas Roy, Stephen R. Meech, Daniel T. Gryko, Eric Vauthey- Physical and Theoretical Chemistry
- General Physics and Astronomy
Excited-state symmetry breaking is only observed in multipolar dyes with weaker electron accepting groups. This unexpected result can be rationalised in terms of a subtle balance between solvation energy and inter-branch electronic coupling.