Page 180 - Strategies and Applications in Quantum Chemistry From Molecular Astrophysics to Molecular Engineer
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CORE-VALENCE SEPARATION IN THE STUDY OF ATOMIC CLUSTERS                   163








                        since



                       one has






































                       From (24) and (25) it follows that all the matrix elements   can be obtained by
                       calculation  over the  set  of "valence"  functions, with the addition of terms relating to
                       single atoms.
                       Numerical applications to particular clusters are wery encouraging [7-11].
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