NI


Gas phase ion energetics 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.

Data compiled by: John E. Bartmess

Electron affinity determinations

EA (eV) Method Reference Comment
1.30 ± 0.20EndoRefaey, 1976I- + NO2 ->.
1.09494N/ACheck, Faust, et al., 2001I-; ; ΔS(acid)=17.1; ΔS(EA)=6.4

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, 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 14N127I
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
X 3Σ- 0 [590] 1          
Minkwitz and Froben, 1976
Vibrational sp. 1

Notes

10bserved in the condensate at 10 K of the products of a discharge in an N2/I2 mixture. The observation of a corresponding band at 573 cm-1 for 15NI supports the assignment.

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.

Refaey, 1976
Refaey, K.M.A., Endoergic ion-molecule-Collision Processes of Negative Ions. IV. Collisions of I- on NO2, N2O and NO, Int. J. Mass Spectrom. Ion Phys., 1976, 21, 21. [all data]

Check, Faust, et al., 2001
Check, C.E.; Faust, T.O.; Bailey, J.M.; Wright, B.J.; Gilbert, T.M.; Sunderlin, L.S., Addition of Polarization and Diffuse Functions to the LANL2DZ Basis Set for P-Block Elements, J. Phys. Chem. A,, 2001, 105, 34, 8111, https://doi.org/10.1021/jp011945l . [all data]

Minkwitz and Froben, 1976
Minkwitz, R.; Froben, F.W., Low temperature infrared measurements of NI, Chem. Phys. Lett., 1976, 39, 3, 473-475. [all data]


Notes

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