Is it due to changes in Hydrogen bonding or is there any other factor affecting it?
Molecular interactions will be different in both conditions (solid and liquid) due to that, vibrational energy will also be different.
As Mohd Ishtiyak says - intermolecular interactions (hydrogen bonding, pi stacking etc.) can perturb the molecular vibrations, constraining them, resulting in damped intensities and shifts or splitting of peaks.
the material which are in solid form has different molecular interaction and has a strong attractive forces with each other but if we take the same material in the aqueous form then its binding forces become reduce, its lattice vibration change and its functional groups interact with aqueous which change its properties
Maria Ashraf , Mohd Ishtiyak , Hugh J Byrne Thank you everyone. I analysed both the spectrum's and I was able to relate your answers.
Abishek Pravin Manoharan - glad you analysed the SPECTRA, and Maria Ashraf YOU'RE welcome :-)
Analysis of aqueous solutions in the FT-IR apparatus is not reliable.
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