1. In order to obtain this form of the Hamiltonian, atomic units of length Z−1a0 and of energy 2RhcZ2 are used. However, in the discussion that follows and in the tables, units of a0 and 2Rhc, respectively, are used.
2. A copy of these tables has been deposited as Document No. 8267 with the ADI Auxiliary Publications Project, Photoduplication Service, Library of Congress, Washington, D.C. A copy may be secured by citing the Document number and by remitting $2.50 for photoprints, or $1.75 for 35 mm microfilm. Advance payment is required. Make checks or money orders payable to: Chief, Photoduplication Service, Library of Congress.