@article {1461,
	title = {The rotational spectrum and hyperfine structure of arsenic monophosphide, AsP},
	journal = {Journal of Molecular Spectroscopy},
	volume = {238},
	number = {1},
	year = {2006},
	note = {ISI Document Delivery No.: 061MMTimes Cited: 4Cited Reference Count: 40Leung, Flora Cooke, Stephen A. Gerry, Michael C. L.},
	month = {Jul},
	pages = {36-41},
	type = {Article},
	abstract = {Arsenic monophosphide has been prepared by laser ablation of arsenic in the presence of PH3. The J = 2-1 and 1-0 transitions in both the ground and first excited vibrational states have been measured with a cavity pulsed jet Fourier-transform microwave spectrometer. An improved equilibrium internuclear distance (r(e)) has been obtained. Hyperfine structure in the rotational spectrum of AsP has been resolved and has led to the first determinations of the As nuclear quadrupole coupling constant and both nuclear spin-rotation constants. The data enable the electronic structure of AsP to be compared with those of other mixed Group 15 diatomic molecules. (c) 2006 Elsevier Inc. All rights reserved.},
	keywords = {arsenic monophosphide microwave rotational spectrum, BiP, CONSTANTS, DENSITY-FUNCTIONAL THEORY, DISTANCE, ENERGY, equilibrium internuclear, Fourier transform, laser ablation, microwave spectrum, MOLECULES, of arsenic monophosphide, ORDER REGULAR APPROXIMATION, RESONANCE, SPIN-ROTATION, TENSORS},
	isbn = {0022-2852},
	url = {<Go to ISI>://000238876600004},
	author = {Leung, F. and Cooke, S. A. and Gerry, M. C. L.}
}
@article {821,
	title = {The pure rotational spectra and hyperfine constants of SbN and SbP},
	journal = {Physical Chemistry Chemical Physics},
	volume = {6},
	number = {19},
	year = {2004},
	note = {ISI Document Delivery No.: 858PQTimes Cited: 14Cited Reference Count: 54},
	pages = {4579-4585},
	type = {Article},
	abstract = {The pure rotational spectra of antimony mononitride, SbN, and antimony monophosphide, SbP, have been recorded within the frequency range 6-26 GHz, using a cavity pulsed jet Fourier transform microwave spectrometer. The molecules were prepared by laser ablation of Sb and reaction of the resulting plasma with suitable precursors in the backing gas of the jet. For SbN the J = 1-0 transition was measured for the vibrational ground state of four isotopomers, two of which were also seen in the v = 1 excited state. For SbP the J = 1-0 and 2-1 transitions have been observed for two isotopomers in the ground plus v = 1 and v = 2 excited vibrational states. Accurate spectroscopic constants, including Born-Oppenheimer breakdown terms for Sb and N, have been obtained from the spectra. Precise equilibrium bond lengths r(e) have been determined. Hyper. ne constants including nuclear quadrupole coupling constants and nuclear spin-rotation constants have been evaluated for both molecules, and are compared with the results of density functional calculations.},
	keywords = {APPROXIMATION, DENSITY-FUNCTIONAL THEORY, DEPENDENCE, DIATOMIC-MOLECULES, DUNHAM COEFFICIENTS, FIELD SHIFT, ISOTOPE, NMR CHEMICAL-SHIFTS, NUCLEAR MAGNETIC SHIELDINGS, ORDER REGULAR, QUADRUPOLE-MOMENT, SPIN-ROTATION},
	isbn = {1463-9076},
	url = {<Go to ISI>://000224204600010},
	author = {Cooke, S. A. and Gerry, M. C. L.}
}
@article {511,
	title = {Rotational analysis of the (A)over-tilde(2)A(1)-(X)over-tilde(2)A(1) band system of yttrium dicarbide,YC2},
	journal = {Journal of Molecular Spectroscopy},
	volume = {215},
	number = {1},
	year = {2002},
	note = {ISI Document Delivery No.: 601LETimes Cited: 5Cited Reference Count: 40},
	month = {Sep},
	pages = {10-28},
	type = {Article},
	abstract = {{The 000-000 and 3(0)(1) bands of the 775-nm electronic transition of YC2 (A(2)A(1) <{\textendash}X-2 A(1)) have been studied at high resolution, using the laser-induced fluorescence from a supersonic jet expansion. Three types of experiment have been carried out. First, the complete rotational and hyperfine structures of the two bands were recorded. To Measure the small asymmetry splittings in the K = 2 levels of the X(2)A(1), state, portions of the b-type 3(0)(1) and were then recorded in the presence of a weak static electric field. Finally, a number of pure rotational transitions between the K = 0 levels of the ground state were recorded by pump/probe microwave optical double resonance. A few small rotational perturbations occur in the upper electronic state but omitting the perturbed lines, the combined data sets could be modeled using an effective Hamiltonian operator appropriate for the rotation, electron spin, and hyperfine structure of a rigid asymmetric top molecule, The molecule is confirmed as being "T-shaped." where the Y atom is bonded to the side of a C-2 group: the rotational Constants determined are for the A(2)A(1), 3(1) level},
	keywords = {ACTIVATION, C-H BOND, DOUBLE-RESONANCE, ELECTRONIC-STRUCTURE, HYPERFINE-STRUCTURE, MICROWAVE, MONOSULFIDE, SPECTROSCOPY, SPIN-ROTATION, TRANSITION-METAL ATOMS, YC2},
	isbn = {0022-2852},
	url = {<Go to ISI>://000178446800002},
	author = {Steimle, T. C. and Bousquet, R. R. and Namiki, K. C. and Merer, A. J.}
}
@article {5050,
	title = {Fourier transform microwave spectroscopy of the (2)Sigma(+) ground states of YbX (X=F, Cl, Br): Characterization of hyperfine effects and determination of the molecular geometries},
	journal = {Journal of Chemical Physics},
	volume = {115},
	number = {15},
	year = {2001},
	note = {ISI Document Delivery No.: 478ZYTimes Cited: 17Cited Reference Count: 34},
	month = {Oct},
	pages = {6979-6989},
	type = {Article},
	abstract = {The pure rotational spectra of low lying v=0 and 1 vibrational levels of the (2)Sigma (+) ground states of several isotopomers of YbF, YbCl, and YbBr were recorded using a pulsed jet cavity Fourier transform microwave spectrometer. Through least squares fits, parameters describing rotational, fine, and hyperfine effects (such as Fermi-contact, dipole-dipole coupling, and nuclear spin-rotation coupling) are presented. Trends in this halide series show an increasing amount of unpaired spin-density on the halide nucleus with increasing halide atomic number, which is consistent with results obtained in previous studies of the calcium analogs. Effective equilibrium bond lengths for (YbF)-Yb-174 and (YbCl)-Yb-174-Cl-35 have been determined to be 2.016 514(1) Angstrom and 2.488 285(1) Angstrom, respectively. The spectra of the two major bromine isotopomers, (YbBr)-Yb-174-Br-79 and (YbBr)-Yb-174-Br-81, were studied only in the v=0 level, and the derived values of r(0) are 2.647 364 5(2) Angstrom and 2.647 347 6(2) Angstrom, respectively. The uncertainties in the equilibrium bond lengths of YbF and YbCl are discussed in terms of the measurement accuracies of the spectra and of the Born-Oppenheimer approximation. (C) 2001 American Institute of Physics.},
	keywords = {BEAM, CONSTANTS, laser spectroscopy, MONOBROMIDE, MONOFLUORIDE, PURE ROTATIONAL SPECTRUM, RF DOUBLE-RESONANCE, SPIN-ROTATION, TRANSITION, X(2)SIGMA(+) STATE},
	isbn = {0021-9606},
	url = {<Go to ISI>://000171380500024},
	author = {Dickinson, C. S. and Coxon, J. A. and Walker, N. R. and Gerry, M. C. L.}
}
