Cyanogen iodide
- Formula: CIN
- Molecular weight: 152.9219
- IUPAC Standard InChI: InChI=1S/CIN/c2-1-3
- IUPAC Standard InChIKey: WPBXOELOQKLBDF-UHFFFAOYSA-N
- CAS Registry Number: 506-78-5
- Chemical structure:
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Condensed phase thermochemistry data
Go To: Top, Vibrational and/or electronic energy levels, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | 39.4 ± 1.0 | kcal/mol | Cm | Lord and Woolf, 1954 | Reanalyzed by Pedley, Naylor, et al., 1986, Original value = 38.3 kcal/mol; Heat of hydrolysis |
Vibrational and/or electronic energy levels
Go To: Top, Condensed phase thermochemistry 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: Takehiko Shimanouchi
Symmetry: Cxν Symmetry Number σ = 1
| Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
| σ+ | 1 | CN str | 2188 | C | 2188.0 | gas | ||||
| π | 2 | Deform | 305 | C | 304.5 | gas | ||||
| σ+ | 3 | CI str | 486 | C | 485.8 | gas | ||||
Source: Shimanouchi, 1972
Notes
| C | 3~6 cm-1 uncertainty |
References
Go To: Top, Condensed phase thermochemistry data, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Lord and Woolf, 1954
Lord, G.; Woolf, A.A.,
The cyanogen halides. Part III. Their heats of formation and free energies,
J. Chem. Soc., 1954, 2546-2551. [all data]
Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P.,
Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume II,
J. Phys. Chem. Ref. Data, 1972, 6, 3, 993-1102. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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