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germanium oxide

Constants of diatomic molecules

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Klaus P. Huber and Gerhard H. Herzberg

Data collected through September, 1976

Symbols used in the table of constants
State electronic state and / or symmetry symbol
Te minimum electronic energy (cm-1)
ωe vibrational constant – first term (cm-1)
ωexe vibrational constant – second term (cm-1)
ωeye vibrational constant – third term (cm-1)
Be rotational constant in equilibrium position (cm-1)
αe rotational constant – first term (cm-1)
γe rotation-vibration interaction constant (cm-1)
De centrifugal distortion constant (cm-1)
βe rotational constant – first term, centrifugal force (cm-1)
re internuclear distance (Å)
Trans. observed transition(s) corresponding to electronic state
ν00 position of 0-0 band (units noted in table)
Diatomic constants for 74Ge16O
Additional unassigned R shaded absorption bands between 66800 and 69900 cm-1.
Barrow and Rowlinson, 1954
F 67474.5 809.0 H 5.66        F larrow X R 67390 H
missing citation
E 49637.3 504.3 H 4.8        E lrarrow X R 49397 H
missing citation; missing citation
A 1Pi 37766.9 H 650.4 H 4.21  0.4133 1 2 0.0033  8.2E-7  1.761 A lrarrow X 2 R 37595.4 Z
missing citation; missing citation; missing citation; missing citation; Korzh and Kuznetsova, 1971; Murty, Reddy, et al., 1972; missing citation
a (3Pi1) 32132 734.9 H 5.3  (0.438)     (1.711) a rarrow X 2 R 32007 H
Sharma and Padur, 1967; missing citation
a' (3Sigma+) 27733 633.3 H 2.7  (0.389)     (1.815) a' rarrow X 2 3 R 27553 H
Hager, Wilson, et al., 1974; missing citation; missing citation
(B) (21117) (580.0) H (3.5) 4        (B rarrow X) R (20917)
Tewari and Mohan, 1971
X 1Sigma+ 0 985.5 5 H 4.29 5  0.4856962 2 0.0030756  4.72E-7 6  1.624648 7  
Torring, 1966; Hoeft, Lovas, et al., 1969; Honerjager and Tischer, 1973
Raymonda, Muenter, et al., 1970; Davis and Muenter, 1974


1Perturbation between A 1Pi(v=0) and a 3Pi(v=8), see Capelle and Brom, 1975.
2RKR potential curves Nair, Singh, et al., 1965, Savithry, Rao, et al., 1974, Franck-Condon factors Sinha and Chatterjee, 1973, Singh, 1974, Capelle and Brom, 1975; variation of A-X electronic transition moment Rao, Rao, et al., 1976.
3Also observed in phosphorescence in various solid matrices at low temperature Meyer, Jones, et al., 1971; lifetime in matrices Meyer, Smith, et al., 1970.
4Observed in thermal emission. 11
5From band origins Korzh and Kuznetsova, 1971 obtain omegae = 986.84 Korzh and Kuznetsova, 1971, omegaexe = 4.47 Korzh and Kuznetsova, 1971.
6Calculated De
7Microwave sp.
8Mol. beam el. reson. 12 13
9Thermochemical value (mass-spectrom.) Drowart, Degreve, et al., 1965.
10Vertical I.P. from electron impact mass spectrometry Hildenbrand, 1971.
11The vibrational analysis seems uncertain since the intensity distribution does not agree with that expected for such a large change of omegae.
12muel(+GeO-) = [3.2720 + 0.0208(v+1/2)] D Raymonda, Muenter, et al., 1970.
13gJ(v=0)= -0.1411 Honerjager and Tischer, 1973, Davis and Muenter, 1974; also magnetic susceptibility anisotropy and molecular quadrupole moment.


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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Barrow and Rowlinson, 1954
Barrow, R.F.; Rowlinson, H.C., The absorption spectra of the gaseous monoxides of silicon, germanium and tin in the Schumann region, Proc. Roy. Soc. (London), 1954, A224, 374. [all data]

Korzh and Kuznetsova, 1971
Korzh, P.D.; Kuznetsova, M.I., Electronic transition and isotopic effect for Ge72O and Ge74O molecules, Opt. Spectrosc. Engl. Transl., 1971, 31, 286, In original 539. [all data]

Murty, Reddy, et al., 1972
Murty, A.A.N.; Reddy, Y.P.; Rao, P.T., Emission band spectrum of GeO molecule, Indian J. Pure Appl. Phys., 1972, 10, 834. [all data]

Sharma and Padur, 1967
Sharma, A.; Padur, J.P., A spectroscopic study of the chemiluminescent reaction of germanium tetrahydride with atomic oxygen, Proc. Phys. Soc. London, 1967, 90, 269. [all data]

Hager, Wilson, et al., 1974
Hager, G.; Wilson, L.E.; Hadley, S.G., Reactions of atomic silicon and germanium with nitrous oxide to produce electronically excited silicon monoxide and germanium monoxide, Chem. Phys. Lett., 1974, 27, 439. [all data]

Tewari and Mohan, 1971
Tewari, D.P.; Mohan, H., Band spectrum of the molecule germanium monoxide (GeO) in the visible region, J. Mol. Spectrosc., 1971, 39, 290. [all data]

Torring, 1966
Torring, T., Das Mikrowellenrotationsspektrum des GeO, Z. Naturforsch. A, 1966, 21, 287. [all data]

Hoeft, Lovas, et al., 1969
Hoeft, J.; Lovas, F.J.; Tiemann, E.; Tischer, R.; Torring, T., Elektrisches Dipolmoment und Mikrowellenrotationsspektrum des GeO und GeS, Z. Naturforsch. A, 1969, 24, 1217. [all data]

Honerjager and Tischer, 1973
Honerjager, R.; Tischer, R., gJ-Faktor der Molekeln GeO und SiS und Anisotropie ihrer Magnetisierbarkeit, Z. Naturforsch. A, 1973, 28, 1374. [all data]

Raymonda, Muenter, et al., 1970
Raymonda, J.W.; Muenter, J.S.; Klemperer, W.A., Electric dipole moment of SiO and GeO, J. Chem. Phys., 1970, 52, 3458. [all data]

Davis and Muenter, 1974
Davis, R.E.; Muenter, J.S., Magnetic properties of silicon and germanium monoxide, J. Chem. Phys., 1974, 61, 2940. [all data]

Capelle and Brom, 1975
Capelle, G.A.; Brom, J.M., Jr., Reactions of germanium vapor with oxidizers: photon yields and a new GeO band system, J. Chem. Phys., 1975, 63, 5168. [all data]

Nair, Singh, et al., 1965
Nair, K.P.R.; Singh, R.B.; Rai, D.K., Potential-energy curves and dissociation energies of oxides and sulfides of group IV A elements, J. Chem. Phys., 1965, 43, 3570. [all data]

Savithry, Rao, et al., 1974
Savithry, T.; Rao, D.V.K.; Rao, P.T., True potential energy curves, dissociation energy and r-centroids of diatomic GeO, Curr. Sci., 1974, 43, 329. [all data]

Sinha and Chatterjee, 1973
Sinha, S.P.; Chatterjee, C.L., Franck-Condon factors & r-centroids for GeO (A-X) system, Indian J. Pure Appl. Phys., 1973, 11, 57. [all data]

Singh, 1974
Singh, J., Franck-Condon factors & r-centroids for A1«PI»-X1«SIGMA»+ system of GeO molecule, Indian J. Pure Appl. Phys., 1974, 12, 528. [all data]

Rao, Rao, et al., 1976
Rao, M.L.P.; Rao, D.V.K.; Rao, P.T., Electronic transition-moment variation in the A1«PI»-X1«SIGMA» system of the GeO molecule, J. Quant. Spectrosc. Radiat. Transfer, 1976, 16, 467. [all data]

Meyer, Jones, et al., 1971
Meyer, B.; Jones, Y.; Smith, J.J.; Spitzer, K., The spectrum of matrix-isolated GeO and GeS, J. Mol. Spectrosc., 1971, 37, 100. [all data]

Meyer, Smith, et al., 1970
Meyer, B.; Smith, J.J.; Spitzer, K., Phosphorescent decay time of matrix-isolated GeO, GeS, SnO, and SnS, and the lifetime of the Cameron bands of CO-type diatomics, J. Chem. Phys., 1970, 53, 3616-3620. [all data]

Drowart, Degreve, et al., 1965
Drowart, J.; Degreve, F.; Verhaegen, G.; Colin, R., Thermochemical study of the germanium oxides using a mass spectrometer. Dissociation energy of the molecule GeO, J. Chem. Soc. Faraday Trans., 1965, 61, 1072. [all data]

Hildenbrand, 1971
Hildenbrand, D.L., First ionization potentials of the molecules BF, SiO and GeO, Intern. J. Mass Spectrom. Ion Phys., 1971, 7, 255. [all data]


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