GRU LAB at TTU Rotational Spectroscopy Group

Publications & Talks

Our latest publication got featured on the cover of the Journal of Chemical Physics! We are all very excited and proud of our team.

Key Publications

R.M. Gurusinghe, N. Dias, R. Krueger, A. G. Suits. “Uniform supersonic flow sampling for detection by chirped-pulse rotational spectroscopy”, J. Chem. Phys. 156, 014202 (2022).

R.M. Gurusinghe, N. Dias, A. M. Mebel, A. G. Suits. “Radical–Radical Reaction Dynamics Probed Using Millimeterwave Spectroscopy: Propargyl + NH2/ND2”, J. Phys. Chem. Lett. 13, 91–97 (2022). 

R. M. Gurusinghe, A. Fox-Loe, M. J. Tubergen. “Structures of guaiacol and the guaiacol-argon van der Waals complex from rotational spectroscopy of guaiacol isotopologues”. J. Mol. Struct. 1246 (2021).

R. M. Gurusinghe, M. J. Tubergen. “Probing the Electronic Environment of Methylindoles using Internal Rotation and 14N Nuclear Quadrupole Coupling”. J. Phys. Chem. A 2016, 120, 3491–3496 (2016).

Talks

“L-Shaped FTMW Spectrometer With Narrowband And Broadband Capabilities Integrated With A Python Interface” – Cadence (G) Environmental Science Colloquium at Tennessee Tech. April 2025.

“Custom Python Code for Data Acquisition for TN Tech’s New FTMW Cavity Spectrometer” – Cadence (G) at the XVI Conference of Young Researchers in Atomic and Molecular Physics held at the University of Valladolid, Spain. February 2025.

“Unraveling Hydrogen Bonding Competition: How Water Reshapes the Geometry of Guaiacol” – Randi (G) at the Tennessee Academy of Science (TAS) held at the Lincoln Memorial University in Harrogate, Tennessee. November 2024.

“Exploring Low Barrier Quantum Tunneling and Structural Planarity in 3-Methylstyrene Conformers” – Cadence (G) at the Southeastern Regional Meeting of the American Chemical Society (SERMACS) held at AmericasMart Atlanta Convention Center in Atlanta, Georgia. October 2024.

“Investigating the Quantum Tunneling Effects in the Low Barrier Case of cis-3-methylstyrene (cis-3MS)” – Cadence (G) at ISMS held at the University of Illinois Urbana-Champaign. June 2024.

“Very Low Barrier Quantum Tunneling in the trans-conformer of 3-methylstyrene probed using FT-Microwave Spectroscopy” – Thusitha (G) ISMS held at the University of Illinois Urbana-Champaign. June 2024.

“Advancements in the L-Shaped FT-Microwave Spectrometer with Cavity and Chirped Pulse Setups at Tennessee Tech” – Randi (G) ISMS held at the University of Illinois Urbana-Champaign. June 2024.

“The New L-Shaped Fourier Transform Microwave Spectrometer” – Cadence (UG) at the Annual Meeting of the Tennessee Academy of Science (TAS) held at Rhodes College in Memphis, Tennessee. November 2023.

“Development of a New L-Shaped FTMW Spectrometer with Cavity and Chirped Pulse Setups” – Rusiru (G) at ISMS held at the University of Illinois Urbana-Champaign. June 2023.