Graduate-level text explains modern in-depth approaches to the calculation of the electronic structure and properties of molecules. Hartree-Fock approximation, electron pair approximation, much more. Largely self-contained, only prerequisite is solid course in physical chemistry. Over 150 exercises. 1989 edition.
Here's a sample of other books in this Dover category
Group Theory and Chemistry by David M. Bishop Concise, self-contained introduction to group theory and its applications to chemical problems. Symmetry, matrices, molecular vibrations, transition metal chemistry, more. Relevant math included. Advanced-undergraduate/graduate-level. 1973 edition.
An Atlas of Fullerenes by P. W. Fowler, D. E. Manolopoulos Students and researchers will appreciate this guide, which features a comprehensive set of pictures of fullerene structures and tabulates their properties. Seven chapters offer a self-contained introduction. 1995 edition.
Handbook of Computational Quantum Chemistry by David B. Cook This comprehensive text provides upper-level undergraduates and graduate students with an accessible introduction to the implementation of quantum ideas in molecular modeling, exploring practical applications alongside theoretical explanations. 1998 edition.