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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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 | -14.93 | kcal/mol | Review | Chase, 1998 | Data last reviewed in December, 1976 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid,1 bar | 17.31 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1976 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔfH°solid | -21.00 | kcal/mol | Review | Chase, 1998 | Data last reviewed in December, 1976 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°solid | 12.66 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1976 |
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 (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 1249. to 6000. |
|---|---|
| A | 18.35000 |
| B | -6.779494×10-7 |
| C | 1.152962×10-8 |
| D | 2.361999×10-8 |
| E | -8.859680×10-7 |
| F | -21.96570 |
| G | 35.80497 |
| H | -14.93176 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1976 |
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 (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 652. | 652. to 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 |
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 ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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