Bromomethylidyne
- Formula: CBr
- Molecular weight: 91.915
- IUPAC Standard InChI: InChI=1S/CHBr/c1-2/h1H
- IUPAC Standard InChIKey: PRCFIJGWTCBHPP-UHFFFAOYSA-N
- CAS Registry Number: 3889-77-8
- Chemical structure:
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Gas phase thermochemistry data
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.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 122.00 | kcal/mol | Review | Chase, 1998 | Data last reviewed in June, 1967 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°gas,1 bar | 55.801 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in June, 1967 |
Gas Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 298. to 6000. |
|---|---|
| A | 9.148631 |
| B | -0.068725 |
| C | 0.037780 |
| D | -0.002674 |
| E | -0.044128 |
| F | 119.1270 |
| G | 66.64369 |
| H | 122.0000 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in June, 1967 |
Gas phase ion energetics data
Go To: Top, Gas 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 as indicated in comments:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to CBr+ (ion structure unspecified)
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 10.43 ± 0.02 | EI | Reed and Snedden, 1958 | RDSH |
References
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
Reed and Snedden, 1958
Reed, R.I.; Snedden, W.,
Studies in electron impact methods. Part 2. The latent heat of sublimation of carbon,
J. Chem. Soc. Faraday Trans., 1958, 54, 301. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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