Instrumentation for gas-phase laser spectroscopy : technical development and application to study disulfide-centered hydrogen bonding, aromaticity and inductive effect

By:

Sahu, Akshay Kumar

Contributor(s):

Biswal, Himansu Sekhar [Guide]

Material type: Text

TextPublication details: Bhubaneswar : NISER, 2026.Description: xxxii, 310 pagesSubject(s):

DDC classification:

547:543.42 SAH-I

Online resources:

Click here to access online

Summary: This thesis establishes a custom-built, supersonic jet–cooled gas-phase LASER spectroscopy platform enabling high-resolution, mass-selective UV and IR studies of weakly bound molecular systems. The fully synchronized instrument integrates multiple lasers, pulsed molecular beams, time-of-flight mass spectrometry, and home-built LabVIEW-based control. Using this setup, the work provides the first mass-selected vibrational experimental evidence of sulfur-centered hydrogen bonding in disulfides, resolves aromaticity trends in five-membered heterocycles, and experimentally validates alkyl inductive effects, delivering robust benchmarks for noncovalent interactions.

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Item type	Current library	Call number	Status	Barcode
Theses (Ph.D)	NISER LIBRARY	547:543.42 SAH-I (Browse shelf(Opens below))	Not for loan	T1019

This thesis establishes a custom-built, supersonic jet–cooled gas-phase LASER spectroscopy platform enabling high-resolution, mass-selective UV and IR studies of weakly bound molecular systems. The fully synchronized instrument integrates multiple lasers, pulsed molecular beams, time-of-flight mass spectrometry, and home-built LabVIEW-based control. Using this setup, the work provides the first mass-selected vibrational experimental evidence of sulfur-centered hydrogen bonding in disulfides, resolves aromaticity trends in five-membered heterocycles, and experimentally validates alkyl inductive effects, delivering robust benchmarks for noncovalent interactions.

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