M. Vervloët

Université Paris-Sud

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Olivier Pirali

Institut des Sciences Moléculaires d'Orsay

D. A. Ramsay

Steacie Institute for Molecular Sciences

Marie‐Aline Martin‐Drumel

Institut des Sciences Moléculaires d'Orsay

E.H. Fink

University of Wuppertal

D. Balcon

Institut d'Électronique et des Technologies du numéRique

Laurent Nahon

Synchrotron soleil

K.D. Setzer

University of Wuppertal

J. K. G. Watson

Steacie Institute for Molecular Sciences

T. R. Huet

Université de Lille

M. F. Merienne-Lafore

Laboratoire de Chimie Physique

Cooperative Institutions

Centre National de la Recherche Scientifique

137

Université Paris-Sud

Université Paris Cité

Université Paris-Saclay

Synchrotron soleil

Institut des Sciences Moléculaires d'Orsay

Sorbonne Université

Commissariat à l'Énergie Atomique et aux Énergies Alternatives

Vrije Universiteit Amsterdam

Université Claude Bernard Lyon 1

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NEW OBSERVATIONS OF ELECTRONIC TRANSITIONS OF $H_{3}$ AND $D_{3}$ IN THE INFRARED AND VISIBLE REGIONS

W. A. Majewski A. R. W. McKellar D. A. Sadovskiı́M. Vervloët J. K. G. Watson

Author Institution: Herzberg Institute of Astrophysics, National Research Council of Canada; Laboratoire de Photophysique Mol{\'e}culaire du CNRS, B{\'a}timent 213, Orsay, France

Visible spectrum

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HIGH RESOLUTION FAR INFRARED FOURIER TRANSFORM SPECTROSCOPY OF THE NH$_2$ RADICAL.

mss (2011)

Marie‐Aline Martin‐Drumel Olivier Pirali D. Balcon M. Vervloët

Author Institution: SOLEIL Synchrotron, AILES beamline, Saint-Aubin, France and Institut des Sciences Moleculaires d'Orsay, ISMO, CNRS, Universite Paris XI, Orsay, France; SOLEIL Synchrotron, AILES beamline, Saint-Aubin, France

Fourier transform spectroscopy

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Infrared Spectroscopy of Diamondoid Molecules: New Insights into the Presence of Nanodiamonds in the Interstellar Medium

The Astrophysical Journal (2007)

Olivier Pirali M. Vervloët Jeremy Dahl Robert M. K. Carlson A. G. G. M. Tielens

Although they are relatively different in band shape, infrared features around 3.4-3.5 μm in the emission spectra of HD 97048 and Elias 1 and in the absorption spectra of various dense clouds have both been attributed to diamondoid molecules/particles. This assignment is based mainly on infrared spectra of hydrogenated diamond thin films and of diamond nanocrystals of known average size. Here we present an analysis of the astrophysical implications of recently reported solid-state 2.5-12.5 μm spectra of individual diamondoid molecules, up to the size of hexamantane (C26H30). These spectra provide the first experimental measurements of the infrared frequencies of this class of molecules. In addition, laboratory gas-phase infrared emission spectra of the three smallest members of the diamondoid family are reported, as well as theoretical spectra for some larger species. The present data set allows us to relate spectral signatures to the molecular size and structure. The spectra of tetrahedral diamondoids are found to be qualitatively different from those of lower symmetry species, which possibly explains the differences between the astrophysical emission and absorption spectra. Interestingly, the 3.53 μm band is clearly observed in the spectra of these small molecular diamondoids, whereas previous studies on nanodiamond particles found this band only for species larger than ≈50 nm. Our results support the assignment of the 3.43 and 3.53 μm emission features in HD 97048 and Elias 1 to diamondoids of a few nanometers in size as well as the suggestion that smaller diamondoid molecules contribute to the 3.47 μm interstellar absorption band.

Diamondoid

10.1086/516731

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Infrared synchrotron radiation: from the production to the spectroscopic and microscopic applications

Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment (2001)

Philippe Roy J.-B. Brubach P. Calvani G. deMarzi A. Filabozzi

Undulator

10.1016/s0168-9002(01)00349-7

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NEW RYDBERG-RYDBERG TRANSITIONS OF THE ArH AND ArD MOLECULES: BANDS INVOLVING s, p AND d -ELECTRONIC STATES

I. Dabrowski D. W. Tokaryk M. Vervloët J. K. G. Watson

$^{1}$ J. W. C. Johns, J. Mol. Spectrosc. 36, 488-510 (1970). $^{2}$ R. H. Lipson, Mol. Phys. 65, 1217-1225 (1988). $^{3}$ I. Dabrowski, G. DiLonardo, G. Herzberg, J. W. C. Johns, D. A. Sadovskii, and M. Vervloet, J. Chem. Phys. 97, 7093-7110 (1992).

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A Search For 15NH2 Emission Lines In Comets

P. Rousselot Olivier Pirali Emmanuël Jehin M. Vervloët Damien Hutsemékers

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The optical spectrum of HCSi

The European Physical Journal D (1998)

R. Cireasa D. Cossart M. Vervloët

Matrix Isolation

Matrix (chemical analysis)

10.1007/pl00021570

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High-Resolution Fourier Spectrometry of 14N2 Violet Emission Spectrum: Extensive Analysis of the C3Πu → B3Πg System

Journal of Molecular Spectroscopy (1993)

F. Roux F. Michaud M. Vervloët

10.1006/jmsp.1993.1071

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FAR-INFRARED EMISSION SPECTROSCOPY OF ROVIBRATIONALY EXCITED WATER VAPOR

65th International Symposium On Molecular Spectroscopy (2010)

M.-A. Martin Olivier Pirali D. Balcon M. Vervloët L. H. Coudert

Author Institution: Ligne AILES -- Synchrotron SOLEIL, L'Orme des Merisiers, 91192; Gif-sur-Yvette, France; LISA, CNRS/Universites Paris Est et Paris Diderot; 61 Avenue du General de Gaulle, 94010 Creteil, France

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The E2Σ+ → C2Π Transition of NO and Term Values for the A, D, E, and C Lowest Rydberg Levels

Journal of Molecular Spectroscopy (2000)

V. Braun Klaus Huber M. Vervloët C. Amiot J. Vergès

Sigma

10.1006/jmsp.2000.8148

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Citations (16)