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The Compton profile of polycrystalline scandium has been measured with MoKα x rays. In the medium and high momentum regions the observed profile is in good agreement with that calculated from Hartree-Fock free atom wavefunctions for the valence-electron configuration 3d4s 2 . At small momentum values the experimental profile lies between those computed for the conduction-electron configurations 3d4s 2 and 3d 2 4s.
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S. Manninen (1971) studied this question.
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