NI
- Formula: IN
- Molecular weight: 140.9112
- IUPAC Standard InChI: InChI=1S/IN/c1-2
- IUPAC Standard InChIKey: JQGZIZMUKZVIJX-UHFFFAOYSA-N
- CAS Registry Number: 21297-03-0
- Chemical structure:
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Gas phase ion energetics data
Go To: Top, Constants of diatomic molecules, NIST Free Links, 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: John E. Bartmess
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.30 ± 0.20 | Endo | Refaey, 1976 | I- + NO2 ->. |
| 1.09494 | N/A | Check, Faust, et al., 2001 | I-; ; ΔS(acid)=17.1; ΔS(EA)=6.4 |
Constants of diatomic molecules
Go To: Top, Gas phase ion energetics data, NIST Free Links, 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 May, 1977
| Symbol | Meaning |
|---|---|
| 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) |
| State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| X 3Σ- | 0 | [590] 1 | ||||||||||
| ↳Minkwitz and Froben, 1976 | ||||||||||||
| Vibrational sp. 1 | ||||||||||||
Notes
| 1 | 0bserved 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
Go To: Top, Gas phase ion energetics data, Constants of diatomic molecules, NIST Free Links, Notes
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
Go To: Top, Gas phase ion energetics data, Constants of diatomic molecules, NIST Free Links, References
- Symbols used in this document:
EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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