Regular ArticleA Rotational and Hyperfine Analysis of the [14.0]2Σ+–X2Σ+Band System of Cobalt Monocarbide
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Jet-cooled laser-induced dispersed fluorescence spectroscopy of NiC: Observation of low-lying Ω = 0<sup>+</sup> state
2014, Chemical Physics LettersCitation Excerpt :Transition metal carbides, particularly those of the 3d period, are also of astrophysical importance and are likely to be detected in circumstellar environments of carbon-rich stars [2,3]. However, among transition metal carbides, gas phase spectroscopic investigations in the 3d period are meager and only VC [4], CrC [5], FeC [6–12], CoC [13,14], and NiC [3,15] have been studied. In this Letter, we present our results of spectroscopic investigations on NiC molecule.
IR laser-induced formation of amorphous Co-C films with crystalline Co, Co<inf>2</inf>C and Co<inf>3</inf>C nanograins in a graphitic shell
2010, Journal of Photochemistry and Photobiology A: ChemistryNi + B<inf>2</inf>H<inf>6</inf>: Spectroscopic observations on NiB and NiH
2008, Chemical Physics LettersCitation Excerpt :We might have expected to see evidence for this state in DF spectra following excitation to the [22.05]2Π v = 0 level, however, nothing has been found. Ab initio calculations indicate that the leading electron configuration in the NiB ground state is X2Σ+: …8σ23π41δ49σ1, the same as suggested for CoC which is isoelectronic [11]. In CoC the prominent electronic spectral system is [14.0] 2Σ+–X2Σ+ where a long upper state progression is seen and a 15% increase in bond length occurs upon excitation.
High resolution laser spectroscopy of the titanium monohalides, TiCl and TiBr
2006, Journal of Molecular SpectroscopyThe lowest-lying doublet electronic states of CoC - A theoretical study
2006, Chemical Physics LettersCitation Excerpt :One notices, however, that the experimental ΔG1/2 value (654 cm−1) does not agree with the computed value (1205 cm−1). As stated by Adam and Peers [3], the vibrational levels of the F2Σ+ ([14.0] 2Σ+) state is perturbed by other states, which is reflected in the spin–rotation parameters of neighbors vibrational levels, in the hyperfine dipolar interaction parameters, and also on the Fermi contact and electric quadrupolar parameters. Adam and Peers [3] derived the equilibrium constants for the [14.0] 2Σ+ state from the (v′,0) bands, where v′ = 4,5, and 7; almost at the same time, Barnes et al. [2] observed the (0,0) and (1,0) bands.