%0 Journal Article %T Vibrational spectra, normal coordinate analysis, and hydrogen bond investigation of pyridinium perchlorate %A Omidvar, Be Be Amineh %A Tayyari, Sayyed Faramarz %A Vakili, Mohamad %A A.R. Nekoei %J Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy %@ 1386-1425 %D 2018