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Papers matching “rotational barriers” in Molecular Spectroscopy and Structure 20

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Two Coupled Low-Barrier Large Amplitude Motions in 3,5-Dimethylanisole Studied by Microwave Spectroscopy
2025 Molecules article Chemistry Molecular Spectroscopy and Structure Open access

Safa Khemissi, Lynn Ferres, Ha Vinh Lam Nguyen

3

citations
Barrier to Methyl Internal Rotation and Equilibrium Structure of 2-Methylthiophene Determined by Microwave Spectroscopy
2023 Spectroscopy Journal article Chemistry Molecular Spectroscopy and Structure Open access

Kenneth J. Koziol, Hamza El Hadki, Arne Lüchow, Natalja Vogt, J. Demaison, Ha Vinh Lam Nguyen

7

citations
Surprising torsional barrier reduction in the coupled methyl internal rotations of 2,3-dimethylfuran observed by microwave spectroscopy
2024 Physical Chemistry Chemical Physics article Chemistry Molecular Spectroscopy and Structure

Mike Buttkus-Barth, Thi Ha Chi Nguyen, Gregor Brannys, Arne Lüchow, Ha Vinh Lam Nguyen

5

citations
Low Barrier Methyl Internal Rotations and 14N Quadrupole Coupling in the Microwave Spectrum of 2,4-Dimethylthiazole
2023 The Journal of Physical Chemistry A article Chemistry Molecular Spectroscopy and Structure Open access

Safa Khemissi, Vinh Van, Martin Schwell, Isabelle Kleiner, Ha Vinh Lam Nguyen

14

citations
Coupled methyl internal rotations with intermediate and low torsional barriers in 2,5-dimethylanisole investigated by microwave spectroscopy
2024 The Journal of Chemical Physics article Chemistry Molecular Spectroscopy and Structure Open access

Haoyue Sun, Lynn Ferres, Isabelle Kleiner, Ha Vinh Lam Nguyen

5

citations
LOWERING THE TORSIONAL BARRIERS BY STERICAL HINDRANCE: MICROWAVE SPECTRUM OF THE THREE-TOP MOLECULE 2,6-DIMETHYLANISOLE
2021 International Symposium on Molecular Spectroscopy (ISMS) conference-paper Chemistry Molecular Spectroscopy and Structure Open access

Ha Vinh Lam Nguyen, Wolfgang Stahl, Joshua Spautz, Lynn Ferres

0

citations
Laboratory rotational spectroscopy of methyl n-propyl sulfide: Conformational analysis and methyl internal rotation
2020 Journal of Molecular Spectroscopy article Chemistry Molecular Spectroscopy and Structure Open access

Layla Tulimat, Halima Mouhib, Ha Vinh Lam Nguyen, Wolfgang Stahl

13

citations
Skeletal Torsion Tunneling and Methyl Internal Rotation: The Coupled Large Amplitude Motions in Phenyl Acetate
2022 Molecules article Chemistry Molecular Spectroscopy and Structure Open access

Lynn Ferres, Luca Evangelisti, Assimo Maris, Sonia Melandri, Walther Camináti, Wolfgang Stahl, +1 more

10

citations
Equilibrium Structure in the Presence of Methyl Internal Rotation: Microwave Spectroscopy and Quantum Chemistry Study of the Two Conformers of 2-Acetylfuran
2021 The Journal of Physical Chemistry A article Chemistry Molecular Spectroscopy and Structure

Christina Dindić, Arne Lüchow, Natalja Vogt, J. Demaison, Ha Vinh Lam Nguyen

15

citations
The effects of proton tunneling, 14N quadrupole coupling, and methyl internal rotations in the microwave spectrum of ethyl methyl amine
2020 The Journal of Chemical Physics article Chemistry Molecular Spectroscopy and Structure Open access

Kenneth J. Koziol, Wolfgang Stahl, Ha Vinh Lam Nguyen

7

citations
2-Propionylthiophene: planar, or not planar, that is the question
2020 Physical Chemistry Chemical Physics article Chemistry Molecular Spectroscopy and Structure

Christina Dindić, Wolfgang Stahl, Ha Vinh Lam Nguyen

15

citations
INTERNAL ROTATION OF THE ACETYL METHYL GROUP IN METHYL ALKYL KETONES: THE MICROWAVE SPECTRUM OF OCTAN-2-ONE
2021 International Symposium on Molecular Spectroscopy (ISMS) conference-paper Chemistry Molecular Spectroscopy and Structure Open access

Isabelle Kleiner, Ha Vinh Lam Nguyen, Wolfgang Stahl, Martin Schwell, Damian Schoengen, Maike Andresen

0

citations
Internal Rotation of the Acetyl Methyl Group in Methyl Alkyl Ketones: The Microwave Spectrum of Octan‐2‐one
2020 ChemPhysChem article Chemistry Molecular Spectroscopy and Structure

Maike Andresen, Damian Schöngen, Isabelle Kleiner, Martin Schwell, Wolfgang Stahl, Ha Vinh Lam Nguyen

14

citations
Conformational sampling and large amplitude motion of methyl valerate
2021 Physical Chemistry Chemical Physics article Chemistry Molecular Spectroscopy and Structure Open access

Ha Vinh Lam Nguyen, Maike Andresen, Wolfgang Stahl

8

citations
Microwave Spectrum of Two‐Top Molecule: 2‐Acetyl‐3‐Methylthiophene
2021 ChemPhysChem article Chemistry Molecular Spectroscopy and Structure Open access

Christina Dindić, Ha Vinh Lam Nguyen

12

citations
Two methyl internal rotations of 2-acetyl-4-methylthiophene explored by microwave spectroscopy and quantum chemistry
2022 Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy article Chemistry Molecular Spectroscopy and Structure Open access

Christina Dindić, Ha Vinh Lam Nguyen

10

citations
Quantifying soft degrees of freedom in volatile organic compounds: insight from quantum chemistry and focused single molecule experiments
2020 Physical Chemistry Chemical Physics article Chemistry Molecular Spectroscopy and Structure

Rahma Dahmani, Haoyue Sun, Halima Mouhib

6

citations
Microwave Spectrum and Internal Rotations of Heptan-2-one: A Pheromone in the Gas Phase
2020 The Journal of Physical Chemistry A article Chemistry Molecular Spectroscopy and Structure

Maike Andresen, Isabelle Kleiner, Martin Schwell, Wolfgang Stahl, Ha Vinh Lam Nguyen

18

citations
The microwave spectrum of 2-methylthiazole: 14N nuclear quadrupole coupling and methyl internal rotation
2020 The Journal of Chemical Physics article Chemistry Molecular Spectroscopy and Structure Open access

Vinh Van, Claudine Gutlé, Wolfgang Stahl, Martin Schwell, Isabelle Kleiner, Ha Vinh Lam Nguyen

21

citations
Local vs global approaches to treat two equivalent methyl internal rotations and 14N nuclear quadrupole coupling of 2,5-dimethylpyrrole
2021 The Journal of Chemical Physics article Chemistry Molecular Spectroscopy and Structure

Wolfgang Stahl, Ha Vinh Lam Nguyen, Isabelle Kleiner

18

citations

20 results