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thallium bromide


Phase change 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.

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
763. - 1092.4.552324590.965-81.444Stull, 1947Coefficents calculated by NIST from author's data.

Gas phase ion energetics data

Go To: Top, Phase change data, Constants of diatomic molecules, References, Notes

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

Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
~9.0PEBancroft and Bristow, 1983LBLHLM
9.14 ± 0.02PIBerkowitz and Walter, 1968RDSH
9.5PEBancroft and Bristow, 1983Vertical value; LBLHLM

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
Tl+6.3Br-PIBerkowitz and Walter, 1968RDSH
Tl+9.53 ± 0.02BrPIBerkowitz and Walter, 1968RDSH

Constants of diatomic molecules

Go To: Top, Phase change data, 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 November, 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 205Tl81Br
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
D 1           (D rarrow A) R 
missing citation; missing citation
Continuous absorption for nu > 40000 cm-1.
Howell and Coulson, 1941; Davidovits and Bellisio, 1969
C (1Pi) 3           C larrow X 2 
Butkow, 1929; Howell and Coulson, 1941; missing citation
           2 
missing citation
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
           2 
missing citation; Howell and Coulson, 1941; missing citation
A (3Pi0+) 29191.5 4 108.32 H 5.15 -0.22 5       A lrarrow X 2 R 29148.4 H
missing citation; missing citation; Rao, 1949; Rao, 1949, 2
X 1Sigma+ 0 192.10 H 0.39  0.0423895 6 0.00012755  (8.3E-9)  2.618191 7  
Brom and Franzen, 1971
Microwave sp. 8
Barrett and Mandel, 1958; Fitzky, 1958; Lovas and Tiemann, 1974
Mol. beam el. reson. 9
Dickinson, Stephenson, et al., 1970

Notes

1Fragments of an emission system at ~25340 cm-1.
2Absorption cross sections have been measured by Davidovits and Bellisio, 1969.
3Continuous absorption with maximum at 37160 cm-1 12.
4Assigned by analogy with TlCl; Howell and Coulson, 1941 assume 3Pi1.
5Bands having v' geq 3 are diffuse.
6 Lovas and Tiemann, 1974 give rotational constants for four isotopes.
7IR Spectrum 13
8Dipole moment of 205Tl79Br: muel(v=0) =4.49 D Tiemann, 1971, from Stark effect of rotation sp. Tiemann, 1971.
9Hfs constants for four isotopes in the first five vibrational states.
10Photoionization mass-spectrometry Berkowitz and Walter, 1968. In good agreement with spectroscopic and thermochemical results Barrow, 1960, flame photometry Bulewicz, Phillips, et al., 1961, and electron impact mass- spectrometry Khvostenko and Sultanov, 1965.
11Photoionization value Berkowitz and Walter, 1968. Notice that this is the adiabatic value corresponding to the second vertical potential (9.83 eV) observed in the photoelectron spectrum Berkowitz, 1972; first vertical I.P. at 9.48 eV.
12 Howell and Coulson, 1941 report emission continua with maxima at 30020 and 33770 cm-1.
13In argon at 10 K.
14D00(TlBr) + I.P.(Tl) - I.P.(TlBr).

References

Go To: Top, Phase change data, 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.

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Bancroft and Bristow, 1983
Bancroft, G.M.; Bristow, D.J., High resolution HeI and HeII photoelectron spectra of the thallium halides: Valence bands and Tl 5d ligand field splittings, Can. J. Chem., 1983, 61, 2669. [all data]

Berkowitz and Walter, 1968
Berkowitz, J.; Walter, T.A., Photoionization of high-temperature vapors. IV.TIF, TICI, and TIBr, J. Chem. Phys., 1968, 49, 1184. [all data]

Howell and Coulson, 1941
Howell, H.G.; Coulson, N., The band spectrum of thallium bromide, Proc. Phys. Soc. London, 1941, 53, 706. [all data]

Davidovits and Bellisio, 1969
Davidovits, P.; Bellisio, J.A., Ultraviolet Absorption Cross Sections for the Thallium Halide and Silver Halide Vapors, J. Chem. Phys., 1969, 50, 8, 3560-3567. [all data]

Butkow, 1929
Butkow, K., Absorptionsspektren und art der chemischen bindung der thallohalogenide im dampfzustande, Z. Phys., 1929, 58, 232. [all data]

Rao, 1949
Rao, P.T., Thallium isotope effect in the band spectrum of thallium bromide, Indian J. Phys., 1949, 23, 265. [all data]

Rao, 1949, 2
Rao, P.T., New bands in the spectrum of thallium bromide, Indian J. Phys., 1949, 23, 425. [all data]

Brom and Franzen, 1971
Brom, J.M., Jr.; Franzen, H.F., Infrared spectra and structure of matrix isolated thallous halides, J. Chem. Phys., 1971, 54, 2874. [all data]

Barrett and Mandel, 1958
Barrett, A.H.; Mandel, M., Microwave spectra of the Tl, In, and Ga monohalides, Phys. Rev., 1958, 109, 1572. [all data]

Fitzky, 1958
Fitzky, H.G., Das Mikrowellenrotationsspektrum der Thallium I-Halogenide, Z. Phys., 1958, 151, 351. [all data]

Lovas and Tiemann, 1974
Lovas, F.J.; Tiemann, E., Microwave spectral tables. I. Diatomic molecules, J. Phys. Chem. Ref. Data, 1974, 3, 609. [all data]

Dickinson, Stephenson, et al., 1970
Dickinson, J.T.; Stephenson, D.A.; Zorn, J.C., Hyperfine structure of thallium bromide, J. Chem. Phys., 1970, 53, 1525. [all data]

Tiemann, 1971
Tiemann, E., Elektrisches Dipolmoment von TlBr und TlJ, Z. Naturforsch. A, 1971, 26, 1809. [all data]

Barrow, 1960
Barrow, R.F., Dissociation energies of the gaseous monohalides of boron, aluminium, gallium, indium, and thallium, Trans. Faraday Soc., 1960, 56, 952. [all data]

Bulewicz, Phillips, et al., 1961
Bulewicz, E.M.; Phillips, L.F.; Sugden, T.M., Determination of dissociation constants and heats of formation of simple molecules by flame photometry. Part 8. Stabilities of the gaseous diatomic halides of certain metals, Trans. Faraday Soc., 1961, 57, 921. [all data]

Khvostenko and Sultanov, 1965
Khvostenko, V.I.; Sultanov, A.Sh., Ionisation of thallium(I) chloride, bromide, and iodide molecules by electron bombardment, Russ. J. Phys. Chem. Engl. Transl., 1965, 39, 252, In original 475. [all data]

Berkowitz, 1972
Berkowitz, J., Photoelectron spectroscopy of high-temperature vapors. I. TlCl, TlBr, and TlI, J. Chem. Phys., 1972, 56, 2766. [all data]


Notes

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