C α -H Carries Information of Hydrogen Bond Involving Geminal Hydroxyl Group: A Case Study With Hydrogen Bonded Complex of HFIP and Tertiary Amines Uttam Pal, Sudeshna Sen and Nakul Chandra Maiti* Structural Biology and Bioinformatics Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road, Kolkata 700032, India KEYWORDS: deuterium isotope effect, chemical shift, negative hyperconjugation, hydroxyl hydrogen bond, hexafluoroisopropanol. This document is the unedited Author’s version of a Submitted Work that was subsequently accepted for publication in The Journal of Physical Chemistry A, copyright © American Chemical Society after peer review. To access the final edited and published work see: doi:10.1021/jp411488a 1