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A correlation between the proton stretching vibration red shift and the hydroge...

The FTIR spectra of pure and isotopically diluted (H/D and D/H) polycrystalline L-glutamine, L-hystidine, L-tyrosine, DL-serine, L-threonine, di-, tri-glycine and di-glycine·HCl·H2O salt were measured in the range 4000–2000 cm−1 at temperatures from 300 to 10 K. The frequencies of decoupled proton stretching mode bands ν1, which can be observed only at low temperature, were used for estimation of the of ν1-band...