Determination of Molecular Properties by the Method of Moments

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Abstract
In spite of the loss of variational characteristics, many workers have recently found it advantageous to work with the method of moments for the determination of wavefunctions, in preference to the Ritz variational equations. In this paper, a brief review of these methods is given, and it is then shown how first‐and second‐order properties should be calculated from such determined wavefunctions. A theoretical discussion of the error of the calculated properties is also given.

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