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The molecular geometry of l and d-forms of alanine and serine in gas phase have been studied by using ab-initio quantum chemical calculations at the restricted Hartree–Fock (RHF) level by employing 6-31G and 6-311++G** basis sets. Subsequently, for considering the electron correlations, Density functional Calculations at the Becke3LYP (B3LYP) and Moller–Plesset second order (MP2) level of calculations...
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