Global Journal of Science Frontier Research, H: Environment & Earth Science, Volume 23 Issue 1

III. R esults and D iscussion 2 2 2 2.50643 , x y z S i f i f i f ν µ µ µ   = +     (1) Where, S is the absorption intensity of the lines (in km/mol),i-initial state, f-final state, ν -is the transition frequency (in cm -1 ), 2 2 2 , , x y z i f i f i f µ µ µ - the dipole moment components (in D). Herein the line intensities of the bands increasing when upgrade the pressure from 65 to 95 Torr, respectively. lg(I 0 /I) ν, cm -1 Investigation of Formaldehyde+Hydrogen Fluoride Complex in Gas Phase by the Help of Ftir Spectroscopy and Computational Methods © 2023 Global Journals 1 Year 2023 16 Global Journal of Science Frontier Research Volume XXIII Issue ersion I VI ( H ) ν ν ν  м Figure 1: Absorption spectra of pure H2CO and HF+ H2CO complex in gas phase in the ν (CO) stretching region. (yellow, pure H2CO p=0.006 kgf/cm2, green, HF+ H2CO complex p=90 Torr and blue, HF+ H2CO complex 65 Torr, resolution 0.05 c м -1)