Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Iridium monoxide


Gas phase ion energetics data

Go To: Top, 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:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to IrO+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
10.1EINorman, Staley, et al., 1965RDSH

Constants of diatomic molecules

Go To: Top, 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 February, 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 193Ir16O
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
Additional bands at 14338, 14490 cm-1 Raziunas, Macur, et al., 1965 and 17070 cm-1 Raziunas, Macur, et al., 1965, Jansson and Scullman, 1972.
Raziunas, Macur, et al., 1965; Jansson and Scullman, 1972
H' (3/2)     [0.3378] 1   [4.0E-7] 1  [1.8381] H' rarrow A' R 22005.8 2 1 Z
Jansson and Scullman, 1972
H" 5/2  3   [0.3371] 3  [4.0E-7]  [1.8400] H" rarrow A" R 21869.7 2 Z
Jansson and Scullman, 1972
D (3/2) a' + 17720 [672.5] Z   0.3534 4 0.0026  [3.2E-7]  1.7971 D rarrow A' R 17602.72 2 Z
missing citation
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
A 5/2 6  903.3 Z 4.7  0.3867 5 0.0024  [2.9E-7]  1.7180  
A' (3/2) 6 7 909.4 Z 4.7  0.3847 0.0025  3.0E-7  1.7224  

Notes

1Only one perturbed vibrational level of H' analyzed; vibrational numbering uncertain.
2J' = 0 relative to J" = 0.
3Three additional levels, numbered I, II, and III by Jansson and Scullman, 1972, have been identified in transitions to A" and may represent v = 1, 2, and 3 of H". With this interpretation B1= 0.3307, B2= 0.326, B3= 0.3205, and DeltaG(1/2 ,..., 3/2) = 605.2 Z, 564.6, 544.3.
4Perturbation in v=0 at J = 59 1/2.
5Perturbations.
6A' and A" may be the two components of a 2Delta state.
7missing note
8Thermochemical value, estimated Drowart and Goldfinger, 1967 from mass-spectrometric results of Norman, Staley, et al., 1965.

References

Go To: Top, 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.

Norman, Staley, et al., 1965
Norman, J.H.; Staley, H.G.; Bell, W.E., Massspectrometric study of gaseous oxides of iridium, J. Chem. Phys., 1965, 42, 1123. [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]

Jansson and Scullman, 1972
Jansson, K.; Scullman, R., On the band spectrum of IrO in the region 4200-6400 Å, J. Mol. Spectrosc., 1972, 43, 208. [all data]

Drowart and Goldfinger, 1967
Drowart, J.; Goldfinger, P., Investigation of inorganic systems at high temperature by mass spectrometry, Angew. Chem. Int. Ed. Engl., 1967, 6, 581. [all data]


Notes

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