germanium oxide
- Formula: GeO
- Molecular weight: 88.64
- IUPAC Standard InChI: InChI=1S/GeO/c1-2
- IUPAC Standard InChIKey: PVADDRMAFCOOPC-UHFFFAOYSA-N
- CAS Registry Number: 20619-16-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Germanium monoxide
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Constants of diatomic molecules
Go To: Top, 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
| Symbol | Meaning |
|---|---|
| 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) |
| State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 ← X R | 67390 H | |||||||
| ↳missing citation | ||||||||||||
| E | 49637.3 | 504.3 H | 4.8 | E ↔ X R | 49397 H | |||||||
| ↳missing citation; missing citation | ||||||||||||
| A 1Π | 37766.9 H | 650.4 H | 4.21 | 0.4133 1 2 | 0.0033 | 8.2E-7 | 1.761 | A ↔ 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 | ||||||||||||
| State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
| a (3Π1) | 32132 | 734.9 H | 5.3 | (0.438) | (1.711) | a → X 2 R | 32007 H | |||||
| ↳Sharma and Padur, 1967; missing citation | ||||||||||||
| a' (3Σ+) | 27733 | 633.3 H | 2.7 | (0.389) | (1.815) | a' → X 2 3 R | 27553 H | |||||
| ↳Hager, Wilson, et al., 1974; missing citation; missing citation | ||||||||||||
| (B) | (21117) | (580.0) H | (3.5) 4 | (B → X) R | (20917) | |||||||
| ↳Tewari and Mohan, 1971 | ||||||||||||
| X 1Σ+ | 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
| 1 | Perturbation between A 1Π(v=0) and a 3Π(v=8), see Capelle and Brom, 1975. |
| 2 | RKR 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. |
| 3 | Also observed in phosphorescence in various solid matrices at low temperature Meyer, Jones, et al., 1971; lifetime in matrices Meyer, Smith, et al., 1970. |
| 4 | Observed in thermal emission. 11 |
| 5 | From band origins Korzh and Kuznetsova, 1971 obtain ωe = 986.84 Korzh and Kuznetsova, 1971, ωexe = 4.47 Korzh and Kuznetsova, 1971. |
| 6 | Calculated De |
| 7 | Microwave sp. |
| 8 | Mol. beam el. reson. 12 13 |
| 9 | Thermochemical value (mass-spectrom.) Drowart, Degreve, et al., 1965. |
| 10 | Vertical I.P. from electron impact mass spectrometry Hildenbrand, 1971. |
| 11 | The vibrational analysis seems uncertain since the intensity distribution does not agree with that expected for such a large change of ωe. |
| 12 | μel(+GeO-) = [3.2720 + 0.0208(v+1/2)] D Raymonda, Muenter, et al., 1970. |
| 13 | gJ(v=0)= -0.1411 Honerjager and Tischer, 1973, Davis and Muenter, 1974; also magnetic susceptibility anisotropy and molecular quadrupole moment. |
References
Go To: Top, 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.
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 A1Π-X1Σ+ 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 A1Π-X1Σ 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]
Notes
Go To: Top, Constants of diatomic molecules, References
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