Molecular vibrations of complex with trigonal ligands - Part. XI: Normal coordinate analysis of [Pt(NH3)4]2+Alain J. P. Alix, Michel Manfait, Bjorg N. Cyvin, Sven J. Cyvin, Benjamin J. Van der Veken and Théophile ThéophanidesJ. Chim. Phys., 76 (1979) 475-485DOI: https://doi.org/10.1051/jcp/1979760475