A. McKellar

activity

20182022

most citedSpectra of CO2-N2 dimer in the 4.2 micron region: symmetry breaking of the intramolecular CO2 bend, the intermolecular bend and higher K-values for the fundamental

15 citations · 50 across the 9 of their papers we have counts for

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physics.atm-clus2022★ 6 cited

Weakly-bound clusters of atmospheric molecules: infrared spectra and structural calculations of (CO $_{2}$ ) $_{n}$ -(CO) $_{m}$ -(N $_{2}$ ) $_{p}$ , $(n, m, p)$ = (2, 1, 0), (2, 0, 1), (1, 2, 0), (1, 0, 2), (1, 1, 1), (1, 3, 0), (1, 0, 3), (1, 2, 1), (1, 1, 2)

A. J. Barclay, A. R. W. McKellar, A. Pietropolli Charmet +1

Structural calculations and high-resolution infrared spectra are reported for trimers and tetramers containing CO $_{2}$ together with CO and/or N $_{2}$ . Among the 9 clusters studied he…

physics.atm-clus2021

New infrared spectra of CO2-Ne: fundamental for CO2-22Ne isotopologue, intermolecular bend, and symmetry breaking of the intramolecular CO2 bend

A. J. Barclay, A. R. W. McKellar, N. Moazzen-Ahmadi

The infrared spectrum of the weakly-bound CO2-Ne complex is studied in the region of the carbon dioxide nu3 fundamental vibration (~2350 cm-1), using a tunable OPO laser source to…

physics.atm-clus2021

Infrared spectra of both isomers of CO $_{2}$ -CO in the CO $_{2}$ $ν_{3}$ region

A. J. Barclay, A. R. W. McKellar, N. Moazzen-Ahmadi

Extensive infrared spectra of the weakly-bound CO $_{2}$ -CO dimer are observed in the carbon dioxide $ν_{3}$ asymmetric stretch region (~2350 cm-1) using a tunable infrared OPO laser so…

physics.atm-clus2021

New infrared spectra of CO2-Xe: modeling Xe isotope effects, intermolecular bend and stretch, and symmetry breaking of the CO2 bend

A. J. Barclay, A. R. W. McKellar, Colin M. Western +1

The infrared spectrum of the weakly-bound CO2-Xe complex is studied in the region of the carbon dioxide nu3 fundamental vibration (~2350 cm-1), using a tunable OPO laser source to…

physics.atm-clus2021

Intermolecular vibrational states far above the van der Waals minimum: combination bands of the polar N2O dimer

A. R. W. McKellar, Moazzen-Ahmadi

Infrared combination bands of the polar isomer of the N2O dimer are observed for the first time, using a tunable infrared laser source to probe a pulsed slit-jet supersonic expansi…

physics.atm-clus2021★ 8 cited

Exploring the next step in micro-solvation of CO in water: Infrared spectra and structural calculations of (H2O)4- CO and (D2O)4- CO

A. J. Barclay, A. Pietropolli Charmet, A. R. W. McKellar +1

We extend studies of micro-solvation of carbon monoxide by a combination of high-resolution IR spectroscopy and ab initio calculations. Spectra of the (H2O)4-CO and (D2O)4-CO penta…

Weakly-bound clusters of atmospheric molecules: infrared spectra and structural calculations of (CO2​)n​-(CO)m​-(N2​)p​, (n,m,p) = (2, 1, 0), (2, 0, 1), (1, 2, 0), (1, 0, 2), (1, 1, 1), (1, 3, 0), (1, 0, 3), (1, 2, 1), (1, 1, 2)

New infrared spectra of CO2-Ne: fundamental for CO2-22Ne isotopologue, intermolecular bend, and symmetry breaking of the intramolecular CO2 bend

Infrared spectra of both isomers of CO2​-CO in the CO2​ ν3​ region

New infrared spectra of CO2-Xe: modeling Xe isotope effects, intermolecular bend and stretch, and symmetry breaking of the CO2 bend

Intermolecular vibrational states far above the van der Waals minimum: combination bands of the polar N2O dimer

Exploring the next step in micro-solvation of CO in water: Infrared spectra and structural calculations of (H2O)4- CO and (D2O)4- CO

Weakly-bound clusters of atmospheric molecules: infrared spectra and structural calculations of (CO $_{2}$ ) $_{n}$ -(CO) $_{m}$ -(N $_{2}$ ) $_{p}$ , $(n, m, p)$ = (2, 1, 0), (2, 0, 1), (1, 2, 0), (1, 0, 2), (1, 1, 1), (1, 3, 0), (1, 0, 3), (1, 2, 1), (1, 1, 2)

Infrared spectra of both isomers of CO $_{2}$ -CO in the CO $_{2}$ $ν_{3}$ region