Full-CI quantum chemistry using the density matrix renormalization group

We describe how density matrix renormalization group (DMRG) can be used to solve the full configuration interaction problem in quantum chemistry. As a n illustration of the potential of this method, we apply it to a paramagnet ic molecule. In particular, we show the effect of various basis set, the se aling as the fourth power of the size of the problem, and compare the DMRG with other methods. (C) 2000 John Wiley & Sons, Inc.