Tin monofluoride

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, 1977

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 118Sn19F
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
Strong absorption continua with maxima at 41000 and 53000 cm-1.
↳Jenkins and Rochester, 1937
G 2Δ (46427) [609.9] 1 H   [0.2870] 2   [0.225E-6] 2  [1.895] G ↔ X V 44121.9 Z
↳Jenkins and Rochester, 1937; Barrow, Butler, et al., 1959
(46338) [609.9] 1 H   [0.2870] 2   [0.225E-6] 2  [1.895] G ↔ X V 46351.8 1 H
↳Jenkins and Rochester, 1937; Barrow, Butler, et al., 1959
F (2Σ) 45500.5 688.2 $dH 4.65        F → A V 25497.0
↳Barrow, Butler, et al., 1959
           F ↔ X V 43233.1
↳Jenkins and Rochester, 1937; Barrow, Butler, et al., 1959
           F ↔ X V 45552.6 3 H
↳Jenkins and Rochester, 1937; Barrow, Butler, et al., 1959
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
E 42137.1 677.0 3 H 3.0        E ↔ X V 39864.5 3 H
↳Jenkins and Rochester, 1937; Barrow, Butler, et al., 1959
41856.1 677.0 3 H 3.0        E ↔ X V 41903.0 3 H
↳Jenkins and Rochester, 1937; Barrow, Butler, et al., 1959
D (41341) [622] 3 H         D → X V 39041.9
↳Barrow, Butler, et al., 1959
(41341) [622] 3 H         D → X V 41361.4 3 H
↳Barrow, Butler, et al., 1959
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
C 2Δ 40831 [600] 3 H (5.4)  [0.2856] 2   [0.223E-6] 2  [1.899] C ↔ X V 38524.7 Z
↳Jenkins and Rochester, 1937; Barrow, Butler, et al., 1959; Uzikov and Kuzyakov, 1968
40760 [600] 3 H (5.4)  [0.2856] 2   [0.223E-6] 2  [1.899] C ↔ X V 40772.8 3 H
↳Jenkins and Rochester, 1937; Barrow, Butler, et al., 1959; Uzikov and Kuzyakov, 1968
B 2Σ+ 34109.0 677.6 3 H 2.74  [0.2896]   [0.246E-6]  [1.886] B → A V 14100.9
↳Barrow, Butler, et al., 1959
           B ↔ X V 31836.97 Z
↳missing citation; Barrow, Kopp, et al., 1962
           B ↔ X V (34156.09)
↳missing citation; Barrow, Kopp, et al., 1962
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
B' (4Σ-) 4           B' → X V 33039.8 H
↳Barrow, Butler, et al., 1959
A 2Σ+ 20136.9 [415.76] Z 2.206 H  0.2471 5 0.0026  [0.382E-6] 6  2.042 A → X 7 R 17736.08 Z
↳missing citation; Barrow, Kopp, et al., 1962; missing citation
20136.9 [415.76] Z 2.206 H  0.2471 5 0.0026  [0.382E-6] 6  2.042 A → X 7 R 20055.58 Z
↳missing citation; Barrow, Kopp, et al., 1962; missing citation
X 2Π3/2 2316.9 [582.67] Z 2.82 H  0.2738 0.0014  [0.225E-6] 8  1.940  
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
X 2Π1/2 0 [577.64] Z 2.69 H  0.2727 9 10 0.0014  [0.262E-6] 11  1.944  

Notes

1From Barrow, Butler, et al., 1959 (natural isotopic mixture); Jenkins and Rochester, 1937 give ΔG(1/2) = 607 and 598 cm-1 Jenkins and Rochester, 1937.
2Only the 2Δ5/2 component has been analyzed Ram, Upadhya, et al., 1973.
3Natural isotopic mixture.
4Assignment by analogy with GeF Merer, 1979.
5Spin doubling constant γ = -0.0836.
6D1 = 0.322E-6.
7Franck-Condon factors Singh and Dube, 1971.
8D1 = 0.252E-6.
9Λ-type doubling Δ vfe = -0.0588(J+1/2).
10RKR potential curve Singh and Rai, 1966.
11D1 = 0.336E-6.
12ThermochemicaI value (mass-spectrometry) Zmbov, Hastie, et al., 1968, recalculated with D00(CaF) = 5.48 eV.

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.

Jenkins and Rochester, 1937
Jenkins, F.A.; Rochester, G.D., The spectrum of SnF, Phys. Rev., 1937, 52, 1135. [all data]

Barrow, Butler, et al., 1959
Barrow, R.F.; Butler, D.; Johns, J.W.C.; Powell, J.L., Some observations on the spectra of the diatomic fluorides of silicon, germanium, tin, and lead, Proc. Phys. Soc. London, 1959, 73, 317. [all data]

Uzikov and Kuzyakov, 1968
Uzikov, A.N.; Kuzyakov, Yu.Ya., Analysis of vibrational and rotational structure of SnF bands in the 2500 Å region, Moscow Univ. Chem. Bull. Engl. Transl., 1968, 23, 23, In original 33. [all data]

Barrow, Kopp, et al., 1962
Barrow, R.F.; Kopp, I.; Merer, A.J., Rotational analysis of the A2Σ+-X2Π, B2Σ+-X2Π systems of SnF, Proc. Phys. Soc. London, 1962, 79, 749. [all data]

Ram, Upadhya, et al., 1973
Ram, R.S.; Upadhya, K.N.; Rai, D.K., Rotational analysis of the C2Δ5/2 - X2Π3/2 and G2Δ5/2-X2Π3/2 systems of the SnF molecule, J. Phys. B:, 1973, 6, 372. [all data]

Merer, 1979
Merer, Private communication cited in Huber and Herzberg, 1979, 1979, 615. [all data]

Singh and Dube, 1971
Singh, J.; Dube, P.S., On the variation of electronic transition moment with the internuclear separation in SiCl & SnF molecules, Indian J. Pure Appl. Phys., 1971, 9, 164. [all data]

Singh and Rai, 1966
Singh, R.B.; Rai, D.K., Potential curves for some diatomic molecules: P2, PN, SiN, NBr, BaO, BeF, SiF & SnF, Indian J. Pure Appl. Phys., 1966, 4, 102. [all data]

Zmbov, Hastie, et al., 1968
Zmbov, K.F.; Hastie, J.W.; Margrave, J.L., Mass spectrometric studies at high temperatures. Part 24. Thermodynamics of vaporization of SnF, and PbF, and the dissociation energies of SnF and PbF, J. Chem. Soc. Faraday Trans., 1968, 64, 861. [all data]

Huber and Herzberg, 1979
Huber, K.P.; Herzberg, G., Molecular Spectra and Molecular Structure. IV. Constants of Diatomic Molecules, Van Nostrand Reinhold Company, New York, 1979, 716. [all data]

Notes

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