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germanium oxide


Gas phase ion energetics data

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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 evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to GeO+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)11.1 ± 0.15eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
11.10EVALHuber and Herzberg, 1979LLK
11.0 ± 0.3EIHildenbrand, 1972LLK
11.10 ± 0.10EIHildenbrand, 1971LLK
~11.39SHildenbrand and Murad, 1969RDSH
11.5 ± 0.5EIHildenbrand and Murad, 1969RDSH
10.1 ± 0.8EIDrowart, Degreve, et al., 1965RDSH
11.25PEWhite, Rosenberg, et al., 1979Vertical value; LLK
11.25 ± 0.01PEColbourn, Dyke, et al., 1978Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
Ge+14. ± 1.OEIDrowart, Degreve, et al., 1965RDSH

Constants of diatomic molecules

Go To: Top, Gas phase ion energetics data, References, Notes

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
SymbolMeaning
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
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
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
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
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
          8  
Raymonda, Muenter, et al., 1970; Davis and Muenter, 1974

Notes

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.

References

Go To: Top, Gas phase ion energetics data, Constants of diatomic molecules, Notes

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

Huber and Herzberg, 1979
Huber, K.P.; Herzberg, G., Molecular Spectra and Molecular Structure. IV. Constants of Diatomic Molecules,, Van Nostrand Reinhold Co., 1979, ,1. [all data]

Hildenbrand, 1972
Hildenbrand, D.L., The gaseous equilibrium Ge + SiO = GeO + Si and the dissociation energy of SiO, High Temp. Sci., 1972, 4, 244. [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]

Hildenbrand and Murad, 1969
Hildenbrand, D.L.; Murad, E., Dissociation energy and ionization potential of silicon monoxide, J. Chem. Phys., 1969, 51, 807. [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]

White, Rosenberg, et al., 1979
White, M.G.; Rosenberg, R.A.; Lee, S.T.; Shirley, D.A., The He(I) photoelectron spectroscopy of heavy group IV-VI diatomics, J. Electron Spectrosc. Relat. Phenom., 1979, 17, 323. [all data]

Colbourn, Dyke, et al., 1978
Colbourn, E.A.; Dyke, J.M.; Fackerell, A.; Morris, A.; Trickle, I.R., Vacuum ultraviolet photoelectron spectrum of the GeO(X1«SIGMA»+) molecule, J. Chem. Soc. Faraday Trans. 2, 1978, 74, 2278. [all data]

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]


Notes

Go To: Top, Gas phase ion energetics data, Constants of diatomic molecules, References