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The VCI-P code: an iterative variation–perturbation scheme for efficient computations of anharmonic vibrational levels and IR intensities of polyatomic molecules

Numerical AnalysisVibronic InteractionEngineeringPerturbation MethodPhysicsNatural SciencesVci-p CodeSpectra-structure CorrelationComputational ChemistryQuantum ChemistryEnergy MinimizationPolyatomic MoleculesIterative Variation–perturbation Scheme