Chromyl chloride
- Formula: Cl2CrO2
- Molecular weight: 154.901
- IUPAC Standard InChI: InChI=1S/2ClH.Cr.2O/h2*1H;;;/q;;+2;;/p-2
- IUPAC Standard InChIKey: AHXGRMIPHCAXFP-UHFFFAOYSA-L
- CAS Registry Number: 14977-61-8
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Cl2CrO2; Chromium, dichlorodioxo-, (T-4)-; Chromium, dichlorodioxo-; Chlorure de chromyle; Chromic oxychloride; Chromium chloride oxide; Chromium dichloride dioxide; Chromium dioxide dichloride; Chromium (VI) dioxychloride; Chromoxychlorid; Chromylchlorid; Chroomoxychloride; Cromile, cloruro di; Cromo, ossicloruro di; Dichlorodioxochromium; Dioxodichlorochromium; Oxychlorure chromique; UN 1758; Chromium chloride oxide (CrO2Cl2); Chromium oxychloride (CrO2Cl2); Chromyl chloride (CrO2Cl2); Chromyl dichloride
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Phase change data
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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| Temperature (K) | A | B | C | Reference | Comment |
|---|---|---|---|---|---|
| 254.8 to 390.3 | 3.94754 | 1256.761 | -70.862 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Gas phase ion energetics data
Go To: Top, Phase change data, Mass spectrum (electron ionization), 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 11.6 | PE | Lee and Rabalais, 1975 | LLK |
| 11.99 ± 0.04 | EI | Flesch, White, et al., 1969 | RDSH |
| 11.8 | PE | Lee and Rabalais, 1975 | Vertical value; LLK |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| CrCl+ | 16.52 ± 0.07 | ? | EI | Flesch, White, et al., 1969 | RDSH |
| CrOCl+ | 14.80 ± 0.05 | ? | EI | Flesch, White, et al., 1969 | RDSH |
| CrO2Cl+ | 13.69 ± 0.06 | Cl | EI | Flesch, White, et al., 1969 | RDSH |
| CrCl2+ | 14.00 ± 0.10 | O2 | EI | Flesch, White, et al., 1969 | RDSH |
| CrOCl2+ | 15.52 ± 0.11 | O | EI | Flesch, White, et al., 1969 | RDSH |
| Cr+ | 19.15 ± 0.07 | ? | EI | Flesch, White, et al., 1969 | RDSH |
| CrO+ | 18.30 ± 0.10 | ? | EI | Flesch, White, et al., 1969 | RDSH |
| CrO2+ | 14.18 ± 0.08 | ? | EI | Flesch, White, et al., 1969 | RDSH |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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| Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Origin | Chemical Concepts |
| NIST MS number | 164160 |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Lee and Rabalais, 1975
Lee, T.H.; Rabalais, J.W.,
Photoelectron spectrum ground state electronic structure of chromyl chloride vapor,
Chem. Phys. Lett., 1975, 34, 135. [all data]
Flesch, White, et al., 1969
Flesch, G.D.; White, R.M.; Svec, H.J.,
The positive and negative ion mass spectra of chromyl chloride and chromyl fluoride,
Intern. J. Mass Spectrom. Ion Phys., 1969, 3, 339. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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