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indium iodide

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 January, 1977

Symbols used in the table of constants
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 115In127I
C 1Pi 1           C larrow X 
Wehrli and Miescher, 1933
B 3Pi1 25050.5 146.7 H 2.3        B lrarrow X RV 25034.8 HQ
missing citation
A 3Pi0+ 24401.6 158.5 H 1.7        A lrarrow X VR 24392.0 H
missing citation; missing citation
X 1Sigma+ 0 177.1 H 0.4  0.0368670 0.00010411 8.0E-8 0.76E-8  2.753.65 2  
Barrett and Mandel, 1958; Schenk, Tiemann, et al., 1970


1Continuum with maximum at 31400 cm-1.
2Microwave sp. 5
3Based on thermochemical data and spectroscopic evidence about the 1Pi and 3Pi excited states; see Barrow, 1960.
4Adiabatic potential from the photoelectron spectrum Berkowitz and Dehmer, 1972; vertical potential 8.82 eV.
5Indium and iodine quadrupole coupling constants Schenk, Tiemann, et al., 1970.
6From D00(InI) + I.P.(In) - I.P.(InI).


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.

Wehrli and Miescher, 1933
Wehrli, M.; Miescher, E., Die spektren der indiumhalogenide, Helv. Phys. Acta, 1933, 6, 457. [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]

Schenk, Tiemann, et al., 1970
Schenk, B.; Tiemann, E.; Hoeft, J., Hyperfeinstruktur des Rotationsspektrums bei zwei vergleichbaren Quadrupolkopplungskonstanten: InJ, Z. Naturforsch. A, 1970, 25, 1827. [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]

Berkowitz and Dehmer, 1972
Berkowitz, J.; Dehmer, J.L., Photoelectron spectroscopy of high-temperature vapors. II. Chemical bonding in the Group III monohalides, J. Chem. Phys., 1972, 57, 3194. [all data]


Go To: Top, Constants of diatomic molecules, References