Ruthenium monoxide


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 May, 1975

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 102Ru16O
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
Additional unclassified emission bands in the region 15500 - 17200 cm-1.
Scullman and Thelin, 1975
B3 a3 + 18121.4 792.9 H 4.1  0.3818 0.0025  4E-7  1.7871 B3 → A3 1 R 18086.2 Z
Raziunas, Macur, et al., 1965; missing citation
B2 (Ω=3) a2 + 18101 [783] H   [0.382] 2   [6E-7] 2  [1.787] B2 → A2 1 R 18065.1 Z
Raziunas, Macur, et al., 1965; missing citation
B1     [(0.384)]     [(1.78)] B1 → A1 1 R 18024 Z
Raziunas, Macur, et al., 1965; Scullman and Thelin, 1975
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
A3 a3 3 863.5 H 4.6  0.4137 0.0028  3E-7  1.7168  
A2 (Ω=3) a2 3 [855] H   [0.4144] 4   [3.9E-7]  [1.7154]  
A1 a1 3    [(0.414)]     [(1.72)]  

Notes

1R and P branches only.
2B1 = 0.381, D1= 9E-7. Perturbations.
3Relative position of these three states unknown.
4B1 = 0.413.
5Thermochemical value (mass-spectrometry) Norman, Staley, et al., 1968.

References

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

Scullman and Thelin, 1975
Scullman, R.; Thelin, B., The emission spectrum of RuO between 5000 and 6800 Å, J. Mol. Spectrosc., 1975, 56, 64. [all data]

Raziunas, Macur, et al., 1965
Raziunas, V.; Macur, G.; Katz, S., Emission spectrum and thermodynamic properties of ruthenium monoxide, J. Chem. Phys., 1965, 43, 1010. [all data]

Norman, Staley, et al., 1968
Norman, J.H.; Staley, H.G.; Bell, W.E., Mass spectrometric study of the noble metal oxides. Ruthenium-oxygen system, Advan. Chem. Ser., 1968, 72, 101. [all data]


Notes

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