sodium bromide
- Formula: BrNa
- Molecular weight: 102.894
- IUPAC Standard InChI: InChI=1S/BrH.Na/h1H;/q;+1/p-1
- IUPAC Standard InChIKey: JHJLBTNAGRQEKS-UHFFFAOYSA-M
- CAS Registry Number: 7647-15-6
- Chemical structure:
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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.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -339.34 | kJ/mol | Review | Chase, 1998 | Data last reviewed in September, 1964 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid,1 bar | 104.36 | J/mol*K | Review | Chase, 1998 | Data last reviewed in September, 1964 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔfH°solid | -361.41 | kJ/mol | Review | Chase, 1998 | Data last reviewed in September, 1964 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°solid | 86.83 | J/mol*K | Review | Chase, 1998 | Data last reviewed in September, 1964 |
Liquid 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 (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 1020. to 2500. |
|---|---|
| A | 62.34202 |
| B | -8.511470×10-10 |
| C | 5.852203×10-10 |
| D | -1.246246×10-10 |
| E | -1.695457×10-11 |
| F | -357.9312 |
| G | 179.8066 |
| H | -339.3433 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in September, 1964 |
Solid 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 (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 298. to 1020. |
|---|---|
| A | 50.18122 |
| B | 10.12185 |
| C | 0.962764 |
| D | -0.028406 |
| E | -0.165604 |
| F | -377.3880 |
| G | 143.5635 |
| H | -361.4143 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in September, 1964 |
Reaction 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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Individual Reactions
2 +
=
+
+ CNO.Na
By formula: 2HNaO + CBrN = BrNa + H2O + CNO.Na
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -234.6 ± 0.71 | kJ/mol | Cm | Lord and Woolf, 1954 | solid phase; Heat of hydrolysis |
References
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, NIST Free Links, NIST Subscription Links, 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]
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]
Notes
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- Symbols used in this document:
S°liquid,1 bar Entropy of liquid at standard conditions (1 bar) S°solid Entropy of solid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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