This article summarizes technical advances contained in the fifth major release of the Q-
Chem quantum chemistry program package, covering developments since 2015. A …

The recent developments of the method of complex coordinate rotation are the subject of this
review. The theoretical and computational aspects of this method will be discussed, with …

During the past ten years there has been rapid development and application of a theory
variously known as complex scaling, complex coordinates, coordinate-rotation, and …

THE DEFINITION OF MOLECULAR RESONANCE CURVES BY THE METHOD OF EXTERIOR
COMPLEX SCALING ~ Barry SIMON The method ofcomplex scalin Page 1 Volume 71A …

Electronic resonances are metastable states with finite lifetime embedded in the ionization
or detachment continuum. They are ubiquitous in chemistry, physics, and biology …

Electronic resonances are states that are unstable towards loss of electrons. They play
critical roles in high-energy environments across chemistry, physics, and biology but are …

A production-level implementation of equation-of-motion coupled-cluster singles and
doubles (EOM-CCSD) for electron attachment and excitation energies augmented by a …

Doubly excited states of helium sequence (Z= 1− 10) are investigated by a complex-
coordinate method. Some lower-lying S e 1 and P o 1, 3 states below the N= 2 hydrogenic …

Publisher Summary Many interesting phenomena can be described in terms of a resonance
structure. This chapter discusses biorthogonal basis sets and the characteristics of Gamow …

The complex-scaling method is applied to the study of molecular resonances within the
framework of the Born-Oppenheimer approximation. In this procedure only the electronic …