Electronic spectroscopy of carbon chains

EB Jochnowitz, JP Maier - Annu. Rev. Phys. Chem., 2008 - annualreviews.org
Investigators have recorded the electronic spectra of assorted carbon-chain systems in the
gas phase using a variety of methods, ranging from direct cavity ringdown absorption …

Identification of H2CCC as a diffuse interstellar band carrier

JP Maier, GAH Walker, DA Bohlender… - The Astrophysical …, 2010 - iopscience.iop.org
We present strong evidence that the broad, diffuse interstellar bands (DIBs) at 4881 and
5450 Å are caused by the B 1 B 1← X 1 A 1 transition of H 2 CCC (lC 3 H 2). The large …

Gas phase electronic spectra of the linear carbon chains

H Ding, TW Schmidt, T Pino, AE Boguslavskiy… - The Journal of …, 2003 - pubs.aip.org
The B 3 Σ u−← X 3 Σ g− transitions of HC 13 H and HC 19 H have been measured in the gas
phase, exhibiting broad, Lorentzian shaped bands. More extensive A 3 Σ u−← X 3 Σ g …

Photodissociation of small carbonaceous molecules of astrophysical interest

MC Van Hemert, EF Van Dishoeck - Chemical Physics, 2008 - Elsevier
Astronomical observations have shown that small carbonaceous molecules can persist in
interstellar clouds exposed to intense ultraviolet radiation. Current astrochemical models …

A global CHIPR potential energy surface for ground-state C 3 H and exploratory dynamics studies of reaction C 2+ CH→ C 3+ H

CMR Rocha, AJC Varandas - Physical Chemistry Chemical Physics, 2019 - pubs.rsc.org
A full-dimensional global potential-energy surface (PES) is first reported for ground-state
doublet C3H using the combined-hyperbolic-inverse-power-representation (CHIPR) method …

C2 in peculiar DQ white dwarfs

PB Hall, AJ Maxwell - The Astrophysical Journal, 2008 - iopscience.iop.org
White dwarfs (WDs) with carbon absorption features in their optical spectra are known as DQ
WDs. The subclass of peculiar DQ WDs are cool objects (T_ {\mathrm {eff}\,}\lesssim 6000 K) …

Rotational spectra of C4N, C6N, and the isotopic species of C3N

MC McCarthy, GW Fuchs, J Kucera… - The Journal of …, 2003 - pubs.aip.org
The violet band of the nitrile radical CN has long been observed in the interstellar gas, 1 and
two carbon chains terminated with a nitrile group, C3N and C5N, have been detected in …

A Combined Experimental and Computational Study on the Ionization Energies of the Cyclic and Linear C3H Isomers

RI Kaiser, L Belau, SR Leone, M Ahmed… - …, 2007 - Wiley Online Library
For the first time, two hydrogen‐deficient hydrocarbon radicals are generated in situ via laser
ablation of graphite and seeding the ablated species in acetylene gas, which acts as a …

Electronic spectroscopy of carbon chains and rings of astrophysical interest

CA Rice, JP Maier - The Journal of Physical Chemistry A, 2013 - ACS Publications
This perspective is concerned with laboratory measurements of the electronic spectra of
carbon chains, rings, and their ions, including derivatives terminated by hydrogen and …

Non-threshold, threshold, and nonadiabatic behavior of the key interstellar C+ C2H2 reaction

M Costes, P Halvick, KM Hickson… - The Astrophysical …, 2009 - iopscience.iop.org
ABSTRACT The C+ C 2 H 2 reaction is a key process in interstellar cloud chemistry. In a
crossed-beam scattering experiment approaching the low-collision energies that …