Aniline hydrobromide
- Formula: C6H8BrN
- Molecular weight: 174.038
- IUPAC Standard InChI: InChI=1S/C6H7N.BrH/c7-6-4-2-1-3-5-6;/h1-5H,7H2;1H
- IUPAC Standard InChIKey: KBPWECBBZZNAIE-UHFFFAOYSA-N
- CAS Registry Number: 542-11-0
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: anilinium bromide
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Condensed phase thermochemistry 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: Eugene S. Domalski and Elizabeth D. Hearing
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 159.62 | 298.75 | Suga, 1961 | T = -74 to 67°C. Value is unsmoothed experimental datum. |
Phase change 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: Eugene S. Domalski and Elizabeth D. Hearing
Enthalpy of phase transition
| ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 1.142 | 230. to 300. | crystaline, II | crystaline, I | Kojima, 1978 | Peak at 295 K for order-disorder transition which extends over a 70 K range (230-300 K). |
| 1.243 | 293. | crystaline, II | crystaline, I | Suga, 1961 |
Entropy of phase transition
| ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 3.87 | 230. to 300. | crystaline, II | crystaline, I | Kojima, 1978 | Peak |
| 4.60 | 293. | crystaline, II, Values obtained by summing excess specific heat between | crystaline, I, 20øC and transition temperature | Suga, 1961 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Suga, 1961
Suga, H.,
On the orientational order-disorder transition in crystalline aniline hydrobromide,
Bull. Chem. Soc. Jpn., 1961, 34, 426-433. [all data]
Kojima, 1978
Kojima, T.,
Thermal measurement of aniline hydrobromide,
Kinki Diagaku Rikogakuba Kenkyu Hokoku, 1978, 18, 41-43. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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