Do diradicals behave like radicals?

T Stuyver, B Chen, T Zeng, P Geerlings… - Chemical …, 2019 - ACS Publications
This review sets out to understand the reactivity of diradicals and how that may differ from
monoradicals. In the first part of the review, we delineate the electronic structure of a …

The electronic properties of diradicals

L Salem, C Rowland - Angewandte Chemie International …, 1972 - Wiley Online Library
A review of the various possible definitions of diradicals leads the authors to describe these
systems as having two odd electrons in degenerate or nearly‐degenerate molecular …

[图书][B] Theory of unimolecular reactions

W Forst - 2012 - books.google.com
Theory of Unimolecular Reactions provides a comprehensive analysis of the theory of
unimolecular reactions, also known to kineticists as the Rice-Marcus or the Rice …

Die elektronischen Eigenschaften von Diradikalen

L Salem, C Rowland - Angewandte Chemie, 1972 - Wiley Online Library
Eine Übersicht über die Definitionen von Diradikalen führt die Autoren dazu, diese als
Systeme mit zwei einsamen Elektronen in entarteten oder nahezu entarteten …

Electron spin resonance and CIDNP studies on 1, 3-cyclopentadiyls. A localized 1, 3 carbon biradical system with a triplet ground state. Tunneling in carbon-carbon …

SL Buchwalter, GL Closs - Journal of the American Chemical …, 1979 - ACS Publications
When matrix isolated 2, 3-diazabicyclo [2.2. 1] heptene-2 is photolyzed at 5.5 K a strong
ESR signal can be observed describable by a triplet state spin Hamiltonian with zero-field …

Recent excursions to the borderlands between the realms of concerted and stepwise: carbocation cascades in natural products biosynthesis

DJ Tantillo - Journal of Physical Organic Chemistry, 2008 - Wiley Online Library
Recent excursions to the borderlands between the realms of concerted and stepwise:
carbocation cascades in natural products bios Page 1 Received: 22 October 2007, Revised: 6 …

Theory of spin‐orbit coupling. Application to singlet–triplet interaction in the trimethylene biradical

TR Furlani, HF King - The Journal of chemical physics, 1985 - pubs.aip.org
Efficient methods are developed for the computation of spin-orbit coupling constants in
polyatomic molecules using complete active space multiconfiguration self-consistent field …

σ‐Conjugation and σ‐Aromaticity

MJS Dewar - Bulletin des Sociétés Chimiques Belges, 1979 - Wiley Online Library
Resonance integrals between different hybrid AOs do not vanish, contrary to statements in
current texts. Bonds in saturated molecules are therefore not localized. Indeed β (sp3, sp3) …

Energy gradient in a multi-configurational SCF formalism and its application to geometry optimization of trimethylene diradicals

S Kato, K Morokuma - Chemical Physics Letters, 1979 - Elsevier
Previous methods of analytic evaluation of the potential energy gradient with respect to
nuclear coordinates have been limited to single determinant Hartree-Fock wavefunctions …

Direct dynamics study of the stereomutation of cyclopropane

C Doubleday, K Bolton, WL Hase - Journal of the American …, 1997 - ACS Publications
In this paper we use classical trajectories to study the stereomutation of cyclopropane-1, 2-
d2. 1 We address two unsettled issues: the existence of trimethylene as a mechanistically …