nickel sulphide
- Formula: NiS
- Molecular weight: 90.758
- IUPAC Standard InChI: InChI=1S/Ni.S
- IUPAC Standard InChIKey: WWNBZGLDODTKEM-UHFFFAOYSA-N
- CAS Registry Number: 16812-54-7
- 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: Nickel(ii) sulfide
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Solid Phase Heat Capacity (Shomate Equation)
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.
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. - 652. | 652. - 1249. |
|---|---|---|
| A | 13.12950 | 8.278292 |
| B | -6.682111 | 6.787551 |
| C | 18.90100 | 0.006349 |
| D | -11.07740 | -0.001012 |
| E | -0.112272 | -0.001122 |
| F | -25.14011 | -21.88480 |
| G | 29.17029 | 23.79740 |
| H | -21.00000 | -21.00000 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in December, 1976 | Data last reviewed in December, 1976 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 298. | 11.26 | 12.66 | 12.67 | -0.00 |
| 300. | 11.28 | 12.73 | 12.67 | 0.02 |
| 400. | 12.07 | 16.09 | 13.12 | 1.19 |
| 500. | 12.68 | 18.85 | 14.00 | 2.43 |
| 600. | 13.22 | 21.21 | 15.01 | 3.72 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 652. | 12.70 | 24.68 | 15.55 | 5.96 |
| 700. | 13.03 | 25.60 | 16.21 | 6.58 |
| 800. | 13.71 | 27.38 | 17.49 | 7.91 |
| 900. | 14.39 | 29.04 | 18.68 | 9.32 |
| 1000. | 15.07 | 30.59 | 19.80 | 10.79 |
| 1100. | 15.75 | 32.06 | 20.85 | 12.33 |
| 1200. | 16.43 | 33.46 | 21.84 | 13.94 |
References
Go To: Top, Solid Phase Heat Capacity (Shomate Equation), 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, Solid Phase Heat Capacity (Shomate Equation), References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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