Spin-Coupled Generalized Valence Bond Theory: New Perspect i ves on the Electronic Structure of Molecules and Chemical Bonds

TH Dunning Jr, LT Xu, DL Cooper… - The Journal of …, 2021 - ACS Publications
Spin-Coupled Generalized Valence Bond (SCGVB) theory provides the foundation for a
comprehensive theory of the electronic structure of molecules. SCGVB theory offers a …

Insights into the electronic structure of molecules from generalized valence bond theory

TH Dunning Jr, LT Xu, TY Takeshita… - The Journal of …, 2016 - ACS Publications
In this article we describe the unique insights into the electronic structure of molecules
provided by generalized valence bond (GVB) theory. We consider selected prototypical …

Insights into the Electronic Structure of Ozone and Sulfur Dioxide from Generalized Valence Bond Theory: Bonding in O3 and SO2

TY Takeshita, BA Lindquist… - The Journal of Physical …, 2015 - ACS Publications
There are many well-known differences in the physical and chemical properties of ozone
(O3) and sulfur dioxide (SO2). O3 has longer and weaker bonds than O2, whereas SO2 has …

A singlet thiophosphoryl nitrene and its interconversion with thiazyl and thionitroso isomers

H Li, Z Wu, D Li, X Zeng, H Beckers… - Journal of the …, 2015 - ACS Publications
Thiophosphoryl nitrenes, R2P (S) N, are thiazirine-like intermediates that have been
chemically inferred from trapping products in early solution studies. In this work, photolysis of …

Variations in the Nature of Triple Bonds: The N2, HCN, and HC2H Series

LT Xu, TH Dunning Jr - The Journal of Physical Chemistry A, 2016 - ACS Publications
The inertness of molecular nitrogen and the reactivity of acetylene suggest there are
significant variations in the nature of triple bonds. To understand these differences, we …

Generalized Valence Bond Description of Chalcogen–Nitrogen Compounds. II. NO, F (NO), and H (NO)

TY Takeshita, TH Dunning Jr - The Journal of Physical Chemistry …, 2015 - ACS Publications
The electronic structure of the ground state of NO and those of F (NO) and H (NO), that is, the
XNO and NOX isomers with X= F, H, were analyzed within the framework of generalized …

Beyond Molecular Orbital Theory: The Impact of Generalized Valence Bond Theory in Molecular Science

TH Dunning, P Jeffrey Hay - … , and Biochemistry: From Bold Initiatives to the …, 2021 - Springer
The generalized valence bond (GVB) method was developed by William A. Goddard III in
the latter half of the 1960s. The GVB wavefunction addresses the most serious deficiencies …

Spectroscopic identification of the• SSNO isomers

L Wang, Z Wu, B Lu, AK Eckhardt… - The Journal of …, 2020 - pubs.aip.org
Elusive [S, S, N, O] isomers including the perthiyl radical• SSNO are S/N hybrid species in
the complex bioinorganic chemistry of signaling molecules H 2 S and• NO. By mixing …

The rovibrational nature of cis-and trans-HNNS: A possible nitrogen molecule progenitor

RC Fortenberry - The Journal of Chemical Physics, 2016 - pubs.aip.org
The HNNS radical has been promoted recently as a viable intermediate in the interstellar
creation of the spectroscopically elusive nitrogen molecule. Any confirmation of this pathway …

Generalized Valence Bond Description of Chalcogen–Nitrogen Compounds. III. Why the NO–OH and NS–OH Bonds Are So Different

TY Takeshita, TH Dunning Jr - The Journal of Physical Chemistry …, 2016 - ACS Publications
Crabtree et al. recently reported the microwave spectrum of nitrosyl-O-hydroxide (trans-
NOOH), an isomer of nitrous acid, and found that this molecule has the longest O–O bond …