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Helminger, P.

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31 matching references were found.

Bowman, W.C.; De Lucia, F.C.; Helminger, P., The higher K-1 states of hydrogen peroxide, J. Mol. Spectrosc., 1981, 87, 2, 571, https://doi.org/10.1016/0022-2852(81)90427-6 . [all data]

Bowman, W.C.; DeLucia, F.C.; Helminger, P., Millimeter and submillimeter wave spectra of HNO2 (cis), HNO2 (trans), and HNO3, J. Mol. Spectrosc., 1981, 88, 2, 431, https://doi.org/10.1016/0022-2852(81)90194-6 . [all data]

Bowman, W.C.; Helminger, P.; De Lucia, F.C., Millimeter and submillimeter wave spectra of HNO2 (cis), HNO2 (trans), and HNO3, J. Mol. Spectrosc., 1981, 88, 2, 431, https://doi.org/10.1016/0022-2852(81)90194-6 . [all data]

Blake, G.A.; Helminger, P.; Herbst, E.; De Lucia, F.C., Laboratory millimeter and submillimeter spectrum of HOC, Astrophys. J., 1983, 264, L69, https://doi.org/10.1086/183946 . [all data]

Crownover, R.L.; Booker, R.A.; De Lucia, F.C.; Helminger, P., The rotational spectrum of nitric acid: The first five vibrational states, J. Quant. Spectrosc. Radiat. Transfer, 1988, 40, 1, 39, https://doi.org/10.1016/0022-4073(88)90029-5 . [all data]

Helminger, P.; Bowman, W.C.; De Lucia, F.C., A study of the rotational-torsional spectrum of hydrogen peroxide between 80 and 700 GHz, J. Mol. Spectrosc., 1981, 85, 1, 120, https://doi.org/10.1016/0022-2852(81)90314-3 . [all data]

Messer, JK.; De Lucia, F.C.; Helminger, P., The spectrum of HNO3 in the region 550--800 GHz, J. Mol. Spectrosc., 1984, 104, 2, 417, https://doi.org/10.1016/0022-2852(84)90136-X . [all data]

Muller, H.S.P.; Helminger, P.; Young, S.H., Millimeter and Submillimeter Spectroscopy of Chlorine Nitrate: The Cl Quadrupole Tensor and the Harmonic Force Field, J. Mol. Spectrosc., 1997, 181, 2, 363, https://doi.org/10.1006/jmsp.1996.7183 . [all data]

Petkie, D.T.; Goyette, T.M.; Holton, J.J.; De Lucia, F.C.; Helminger, P., Millimeter/Submillimeter-Wave Spectrum of the First Excited Torsional State in HOOH, J. Mol. Spectrosc., 1995, 171, 1, 145, https://doi.org/10.1006/jmsp.1995.1108 . [all data]

Petkie, D.T.; Helminger, P.; Butler, R.A.H.; Albert, S.; De Lucia, F.C., The millimeter and submillimeter spectra of the ground state and excited , , , and vibrational states of, J. Mol. Spectrosc., 2003, 218, 1, 127, https://doi.org/10.1016/S0022-2852(02)00025-5 . [all data]

Sastry, K.V.L.N.; Helminger, P.; Charo, A.; Herbst, E.; De Lucia, F.C., Laboratory millimeter and submillimeter spectrum of CCH, Astrophys. J., 1981, 251, L119, https://doi.org/10.1086/183706 . [all data]

Sastry, K.V.L.N.; Helminger, P.; Herbst, E.; De Lucia, F.C., Millimeter and submillimeter spectra of HN+2and DN+2, Chem. Phys. Lett., 1981, 84, 2, 286, https://doi.org/10.1016/0009-2614(81)80346-6 . [all data]

Sastry, K.V.L.N.; Helminger, P.; Plummer, G.M.; Herbst, E.; De Lucia, F.C., Laboratory millimeter and submillimeter spectra of HNO and DNO, Astrophys. J. Suppl., 1984, 55, 563, https://doi.org/10.1086/190968 . [all data]

Sears, T.J.; Takacs, G.A.; Howard, C.J.; Crownover, R.L.; Helminger, P.; De Lucia, F.C., Rotational spectroscopy of DO2 by FIR LMR and millimeter-wave absorption, J. Mol. Spectrosc., 1986, 118, 1, 103, https://doi.org/10.1016/0022-2852(86)90228-6 . [all data]

Winnewisser, G.; Helminger, P., Millimeter Wave Rotational Spectrum of HSSH and DSSD. III. Q Branches of DSSD, J. Chem. Phys., 1972, 56, 6, 2954, https://doi.org/10.1063/1.1677630 . [all data]

Winnewisser, G.; Helminger, P., Millimeter Wave Rotational Spectrum of HSSH and DSSD. IV. P, Q, and R Branches of HSSH, J. Chem. Phys., 1972, 56, 6, 2967, https://doi.org/10.1063/1.1677631 . [all data]

Helminger, P.; De Lucia, F.C.; Gordy, W., Extension of microwave absorption spectroscopy to 0.37-mm wavelength, Phys. Rev. Lett., 1970, 25, 1397. [all data]

De Lucia, F.C.; Helminger, P.; Gordy, W., Submillimeter-wave spectra and equilibrium structures of the hydrogen halides, Phys. Rev. A: Gen. Phys., 1971, 3, 1849. [all data]

Sastry, K.V.L.N.; Helminger, P.; Herbst, E.; De Lucia, F.C., Laboratory millimeter and submillimeter spectra of CO⁺, Astrophys. J., 1981, 250, 91-92. [all data]

Herbst, E.; Messer, J.K.; De Lucia, F.C.; Helminger, P., A New Analysis and Additional Measurements of the Millimeter and Submillimeter Spectrum of Methanol, J. Mol. Spectrosc., 1984, 108, 42. [all data]

Sastry, K.V.L.N.; Helminger, P.; Charo, A.; Herbst, E.; De Lucia, F.C., Astrophys. J., 1981, 251, L119. [all data]

Helminger, P.; Bowman, W.C.; De Lucia, F.C., A Study of the Rotational-Torsional Spectrum of Hydrogen Peroxide Between 80 and 700 GHz, J. Mol. Spectrosc., 1981, 85, 120-130. [all data]

Cook, R.L.; De Lucia, F.C.; Helminger, P., J. Mol. Struct., 1975, 28, 237. [all data]

De Lucia, F.C.; Helminger, P., J. Mol. Spectrosc., 1975, 56, 138. [all data]

Helminger, P.; De Lucia, F.C.; Kirchhoff, W.H., Microwave Spectra of Molecules of Astrophysical Interest IV. Hydrogen Sulfide, J. Phys. Chem. Ref. Data, 1973, 2, 215. [all data]

De Lucia, F.C.; Helminger, P.; Gordy, W.; Morgan, H.W.; Staats, P.A., Millimeter- and Submillimeter-Wavelength Spectrum and Molecular Constants of T2O, Phys. Rev. A, 1973, 8, 2785. [all data]

Helminger, P.; Cook, R.L.; De Lucia, F.C., Microwave Spectrum and Centrifugal Distortion Effects of H2S, J. Chem. Phys., 1972, 56, 4581. [all data]

Cook, R.L.; De Lucia, F.C.; Helminger, P., J. Mol. Spectrosc., 1972, 41, 123. [all data]

Helminger, P.; Cook, R.L.; De Lucia, F.C., J. Mol. Spectrosc., 1971, 40, 125. [all data]

De Lucia, F.C.; Cook, R.L.; Helminger, P.; Gordy, W., Millimeter and Submillimeter Wave Rotational Spectrum and Centrifugal Distortion Effects of HDO, J. Chem. Phys., 1971, 55, 5334. [all data]

De Lucia, F.C.; Helminger, P.; Gordy, W., Submillimeter-Wave Spectra and Equilibrium Structures of the Hydrogen Halides, Phys. Rev. A, 1971, 3, 1849. [all data]