tetraphosphorus trisulphide
- Formula: P4S3
- Molecular weight: 220.090
- CAS Registry Number: 1314-85-8
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Gas Phase Heat Capacity (Shomate Equation)
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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) | 3000. - 6000. |
|---|---|
| A | 37.00000 |
| B | 4.507840×10-11 |
| C | -1.501240×10-11 |
| D | 1.474381×10-12 |
| E | 2.876081×10-12 |
| F | -47.13150 |
| G | 121.0820 |
| H | -36.09990 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1960 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 3000. | 37.00 | 161.7 | 128.4 | 99.97 |
| 3100. | 37.00 | 162.9 | 129.5 | 103.7 |
| 3200. | 37.00 | 164.1 | 130.6 | 107.4 |
| 3300. | 37.00 | 165.3 | 131.6 | 111.1 |
| 3400. | 37.00 | 166.4 | 132.6 | 114.8 |
| 3500. | 37.00 | 167.4 | 133.6 | 118.5 |
| 3600. | 37.00 | 168.5 | 134.5 | 122.2 |
| 3700. | 37.00 | 169.5 | 135.5 | 125.9 |
| 3800. | 37.00 | 170.5 | 136.4 | 129.6 |
| 3900. | 37.00 | 171.4 | 137.3 | 133.3 |
| 4000. | 37.00 | 172.4 | 138.1 | 137.0 |
| 4100. | 37.00 | 173.3 | 139.0 | 140.7 |
| 4200. | 37.00 | 174.2 | 139.8 | 144.4 |
| 4300. | 37.00 | 175.1 | 140.6 | 148.1 |
| 4400. | 37.00 | 175.9 | 141.4 | 151.8 |
| 4500. | 37.00 | 176.7 | 142.2 | 155.5 |
| 4600. | 37.00 | 177.5 | 142.9 | 159.2 |
| 4700. | 37.00 | 178.3 | 143.7 | 162.9 |
| 4800. | 37.00 | 179.1 | 144.4 | 166.6 |
| 4900. | 37.00 | 179.9 | 145.1 | 170.3 |
| 5000. | 37.00 | 180.6 | 145.8 | 174.0 |
| 5100. | 37.00 | 181.4 | 146.5 | 177.7 |
| 5200. | 37.00 | 182.1 | 147.2 | 181.4 |
| 5300. | 37.00 | 182.8 | 147.9 | 185.1 |
| 5400. | 37.00 | 183.5 | 148.5 | 188.8 |
| 5500. | 37.00 | 184.2 | 149.2 | 192.5 |
| 5600. | 37.00 | 184.8 | 149.8 | 196.2 |
| 5700. | 37.00 | 185.5 | 150.4 | 199.9 |
| 5800. | 37.00 | 186.1 | 151.0 | 203.6 |
| 5900. | 37.00 | 186.8 | 151.6 | 207.3 |
| 6000. | 37.00 | 187.4 | 152.2 | 211.0 |
References
Go To: Top, Gas 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, Gas Phase Heat Capacity (Shomate Equation), References
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