Runs from 1:00 p.m. to 2:00 p.m. EST.

Register here:  https://attendee.gotowebinar.com/register/4849561323538992385

Summary: 
Non-covalent interactions pose a challenge to electronic structure theory since van der 
Waals interactions arise solely from electron correlation, yet low-level (DFT and MP2) 
descriptions of van der Waals interactions rarely achieve chemical (~1 kcal/mol) accuracy. 
I will describe the XSAPT family of methods for non-covalent interactions, which is based 
on an extended (many-body) version of symmetry-adapted perturbation theory, which is 
uniquely available in Q-Chem. These methods do achieve chemical accuracy in many 
cases, yet because SCF iterations are required only on the monomers, XSAPT is actually 
considerably cheaper than a DFT calculation for the collection of monomers, and comes 
with a built-in energy decomposition. 


Presenter: John Herbert 
Prof. John Herbert obtained his Ph.D. from the University of Wisconsin at Madison, and 
performed his postdoctoral research at Ohio State University and the University of California 
at Berkeley. He is now an associate professor of Chemistry at Ohio State University and a 
board member of Q-Chem. Prof. Herbert's group develops and applies new electronic 
structure models and algorithms. He is especially known for his development of new density 
functionals for studying excited states in gas-phase, macromolecules and condensed 
phases, for his development of ab initio molecular dynamics algorithms, for his study of 
solvated radicals, and for his development of implicit solvation models. Prof. Herbert has 
been recognized with many awards, such as the Alfred P. Sloan Foundation Research 
Fellowship, the Camille Dreyfus Teacher-Scholar Award, and the ACS Outstanding Junior
 Faculty Award in Computational Chemistry.

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