manganese
- Formula: Mn
- Molecular weight: 54.938045
- IUPAC Standard InChI: InChI=1S/Mn
- IUPAC Standard InChIKey: PWHULOQIROXLJO-UHFFFAOYSA-N
- CAS Registry Number: 7439-96-5
- Chemical structure:
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- Other data available:
- Data at other public NIST sites:
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Condensed phase thermochemistry data
Go To: Top, 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°liquid | 16.29 | kJ/mol | Review | Chase, 1998 | Data last reviewed in September, 1967 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid,1 bar | 43.49 | J/mol*K | Review | Chase, 1998 | Data last reviewed in September, 1967 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°solid | 32.01 | J/mol*K | Review | Chase, 1998 | Data last reviewed in September, 1967 |
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) | 1519. to 2334.526 |
|---|---|
| A | 46.02400 |
| B | 1.953485×10-7 |
| C | -7.567225×10-8 |
| D | 1.005938×10-8 |
| E | 5.623757×10-8 |
| F | -7.804040 |
| G | 80.69053 |
| H | 16.28902 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in September, 1967 |
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 980. | 980. to 1361. | 1361. to 1412. | 1412. to 1519. |
|---|---|---|---|---|
| A | 27.24190 | 52.29870 | 19.06450 | -534.1720 |
| B | 5.237640 | -28.67560 | 31.41340 | 679.0530 |
| C | 7.783160 | 21.48670 | -14.99350 | -296.3700 |
| D | -2.118501 | -4.979850 | 3.214741 | 46.42660 |
| E | -0.282113 | -2.432060 | 1.867090 | 161.3420 |
| F | -9.366891 | -21.24330 | -2.757881 | 468.7150 |
| G | 61.49640 | 90.70820 | 48.78900 | -393.5390 |
| H | 0.000000 | 0.000000 | 0.000000 | 0.000000 |
| Reference | Chase, 1998 | Chase, 1998 | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in September, 1967 | Data last reviewed in September, 1967 | Data last reviewed in September, 1967 | Data last reviewed in September, 1967 |
References
Go To: Top, Condensed phase thermochemistry 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]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- 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 - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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