A conformation-specific IR spectroscopic signature for weak C=O···C=O n→π*interaction in capped 4R-hydroxyproline

AUTHOR’S – Singh, S. K., More, S., Kumar, S., … Ganesh, K. N. et al. (2019).
Physical Chemistry Chemical Physics, 21(9), 4755-4762. DOI: 10.1039/C8CP07660J