Carbon
- Formula: C5
- Molecular weight: 60.0535
- IUPAC Standard InChI: InChI=1S/C5/c1-3-5-4-2
- IUPAC Standard InChIKey: UNLWJHHUOPHOHT-UHFFFAOYSA-N
- CAS Registry Number: 12595-82-3
- Chemical structure:
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Gas 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. - 1200. | 1200. - 6000. |
|---|---|---|
| A | 10.29340 | 25.75901 |
| B | 26.52801 | 0.568799 |
| C | -17.51190 | -0.110989 |
| D | 4.363770 | 0.007474 |
| E | -0.191398 | -2.872111 |
| F | 229.2560 | 219.3890 |
| G | 62.04230 | 79.42280 |
| H | 234.0000 | 234.0000 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in December, 1969 | Data last reviewed in December, 1969 |
| 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. | 14.60 | 57.82 | 57.83 | -0.00 |
| 300. | 14.67 | 57.92 | 57.83 | 0.03 |
| 400. | 17.19 | 62.51 | 58.44 | 1.63 |
| 500. | 18.96 | 66.55 | 59.67 | 3.44 |
| 600. | 20.32 | 70.13 | 61.12 | 5.41 |
| 700. | 21.39 | 73.34 | 62.64 | 7.49 |
| 800. | 22.24 | 76.26 | 64.16 | 9.68 |
| 900. | 22.93 | 78.92 | 65.66 | 11.94 |
| 1000. | 23.48 | 81.36 | 67.11 | 14.26 |
| 1100. | 23.93 | 83.62 | 68.51 | 16.63 |
| 1200. | 24.32 | 85.72 | 69.85 | 19.04 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 1200. | 24.30 | 85.72 | 69.85 | 19.04 |
| 1300. | 24.63 | 87.68 | 71.15 | 21.49 |
| 1400. | 24.89 | 89.52 | 72.40 | 23.97 |
| 1500. | 25.11 | 91.24 | 73.60 | 26.47 |
| 1600. | 25.29 | 92.87 | 74.75 | 28.99 |
| 1700. | 25.45 | 94.41 | 75.86 | 31.52 |
| 1800. | 25.58 | 95.87 | 76.93 | 34.08 |
| 1900. | 25.69 | 97.25 | 77.97 | 36.64 |
| 2000. | 25.79 | 98.57 | 78.96 | 39.21 |
| 2100. | 25.88 | 99.83 | 79.93 | 41.80 |
| 2200. | 25.96 | 101.0 | 80.86 | 44.39 |
| 2300. | 26.03 | 102.2 | 81.76 | 46.99 |
| 2400. | 26.09 | 103.3 | 82.64 | 49.60 |
| 2500. | 26.14 | 104.4 | 83.49 | 52.21 |
| 2600. | 26.19 | 105.4 | 84.31 | 54.82 |
| 2700. | 26.24 | 106.4 | 85.11 | 57.45 |
| 2800. | 26.28 | 107.3 | 85.89 | 60.07 |
| 2900. | 26.32 | 108.3 | 86.64 | 62.70 |
| 3000. | 26.35 | 109.2 | 87.38 | 65.34 |
| 3100. | 26.38 | 110.0 | 88.09 | 67.97 |
| 3200. | 26.41 | 110.9 | 88.79 | 70.61 |
| 3300. | 26.43 | 111.7 | 89.47 | 73.25 |
| 3400. | 26.46 | 112.5 | 90.14 | 75.90 |
| 3500. | 26.48 | 113.2 | 90.79 | 78.54 |
| 3600. | 26.50 | 114.0 | 91.42 | 81.19 |
| 3700. | 26.51 | 114.7 | 92.04 | 83.84 |
| 3800. | 26.53 | 115.4 | 92.65 | 86.50 |
| 3900. | 26.54 | 116.1 | 93.24 | 89.15 |
| 4000. | 26.56 | 116.8 | 93.82 | 91.80 |
| 4100. | 26.57 | 117.4 | 94.39 | 94.46 |
| 4200. | 26.58 | 118.1 | 94.94 | 97.12 |
| 4300. | 26.59 | 118.7 | 95.49 | 99.78 |
| 4400. | 26.60 | 119.3 | 96.02 | 102.4 |
| 4500. | 26.61 | 119.9 | 96.55 | 105.1 |
| 4600. | 26.62 | 120.5 | 97.06 | 107.8 |
| 4700. | 26.63 | 121.1 | 97.56 | 110.4 |
| 4800. | 26.63 | 121.6 | 98.06 | 113.1 |
| 4900. | 26.64 | 122.2 | 98.55 | 115.7 |
| 5000. | 26.65 | 122.7 | 99.02 | 118.4 |
| 5100. | 26.65 | 123.2 | 99.49 | 121.1 |
| 5200. | 26.66 | 123.8 | 99.95 | 123.7 |
| 5300. | 26.67 | 124.3 | 100.4 | 126.4 |
| 5400. | 26.67 | 124.8 | 100.9 | 129.1 |
| 5500. | 26.68 | 125.2 | 101.3 | 131.7 |
| 5600. | 26.68 | 125.7 | 101.7 | 134.4 |
| 5700. | 26.69 | 126.2 | 102.2 | 137.1 |
| 5800. | 26.70 | 126.7 | 102.6 | 139.7 |
| 5900. | 26.70 | 127.1 | 103.0 | 142.4 |
| 6000. | 26.71 | 127.6 | 103.4 | 145.1 |
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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