Amidogen, methanetetraylbis-
- Formula: CN2
- Molecular weight: 40.0241
- IUPAC Standard InChI: InChI=1S/CN2/c2-1-3
- IUPAC Standard InChIKey: NFKMPKOGCRBAJF-UHFFFAOYSA-N
- CAS Registry Number: 2669-76-3
- 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. to 1500. | 1500. to 6000. |
|---|---|---|
| A | 6.790321 | 14.64118 |
| B | 14.62761 | 0.189604 |
| C | -10.12122 | -0.054038 |
| D | 2.491540 | 0.005649 |
| E | -0.021374 | -1.082254 |
| F | 110.3377 | 105.9187 |
| G | 58.22586 | 67.93571 |
| H | 113.0000 | 113.0000 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in December, 1970 | Data last reviewed in December, 1970 |
| 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. | 10.08 | 54.06 | 54.06 | -0.00 |
| 300. | 10.10 | 54.12 | 54.06 | 0.02 |
| 400. | 11.05 | 57.17 | 54.47 | 1.08 |
| 500. | 11.80 | 59.71 | 55.27 | 2.22 |
| 600. | 12.40 | 61.92 | 56.20 | 3.43 |
| 700. | 12.88 | 63.87 | 57.16 | 4.70 |
| 800. | 13.26 | 65.62 | 58.11 | 6.01 |
| 900. | 13.55 | 67.19 | 59.03 | 7.35 |
| 1000. | 13.77 | 68.63 | 59.92 | 8.71 |
| 1100. | 13.93 | 69.95 | 60.77 | 10.10 |
| 1200. | 14.06 | 71.17 | 61.59 | 11.50 |
| 1300. | 14.16 | 72.30 | 62.37 | 12.91 |
| 1400. | 14.26 | 73.35 | 63.12 | 14.33 |
| 1500. | 14.36 | 74.34 | 63.83 | 15.76 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 1500. | 14.34 | 74.34 | 63.83 | 15.76 |
| 1600. | 14.41 | 75.27 | 64.52 | 17.20 |
| 1700. | 14.46 | 76.15 | 65.18 | 18.64 |
| 1800. | 14.51 | 76.97 | 65.81 | 20.09 |
| 1900. | 14.55 | 77.76 | 66.42 | 21.54 |
| 2000. | 14.58 | 78.51 | 67.01 | 23.00 |
| 2100. | 14.61 | 79.22 | 67.57 | 24.46 |
| 2200. | 14.63 | 79.90 | 68.12 | 25.92 |
| 2300. | 14.66 | 80.55 | 68.64 | 27.39 |
| 2400. | 14.68 | 81.17 | 69.15 | 28.85 |
| 2500. | 14.69 | 81.77 | 69.64 | 30.32 |
| 2600. | 14.71 | 82.35 | 70.12 | 31.79 |
| 2700. | 14.72 | 82.90 | 70.58 | 33.26 |
| 2800. | 14.73 | 83.44 | 71.03 | 34.74 |
| 2900. | 14.75 | 83.96 | 71.47 | 36.21 |
| 3000. | 14.76 | 84.46 | 71.90 | 37.68 |
| 3100. | 14.77 | 84.94 | 72.31 | 39.16 |
| 3200. | 14.77 | 85.41 | 72.71 | 40.64 |
| 3300. | 14.78 | 85.86 | 73.10 | 42.12 |
| 3400. | 14.79 | 86.31 | 73.48 | 43.59 |
| 3500. | 14.80 | 86.74 | 73.86 | 45.07 |
| 3600. | 14.80 | 87.15 | 74.22 | 46.55 |
| 3700. | 14.81 | 87.56 | 74.58 | 48.03 |
| 3800. | 14.82 | 87.95 | 74.92 | 49.52 |
| 3900. | 14.82 | 88.34 | 75.26 | 51.00 |
| 4000. | 14.83 | 88.71 | 75.59 | 52.48 |
| 4100. | 14.84 | 89.08 | 75.92 | 53.96 |
| 4200. | 14.84 | 89.44 | 76.24 | 55.45 |
| 4300. | 14.85 | 89.79 | 76.55 | 56.93 |
| 4400. | 14.85 | 90.13 | 76.85 | 58.42 |
| 4500. | 14.86 | 90.46 | 77.15 | 59.90 |
| 4600. | 14.87 | 90.79 | 77.44 | 61.39 |
| 4700. | 14.88 | 91.11 | 77.73 | 62.88 |
| 4800. | 14.88 | 91.42 | 78.01 | 64.36 |
| 4900. | 14.89 | 91.73 | 78.29 | 65.85 |
| 5000. | 14.90 | 92.03 | 78.56 | 67.34 |
| 5100. | 14.91 | 92.32 | 78.83 | 68.83 |
| 5200. | 14.92 | 92.61 | 79.09 | 70.32 |
| 5300. | 14.93 | 92.90 | 79.35 | 71.82 |
| 5400. | 14.94 | 93.18 | 79.60 | 73.31 |
| 5500. | 14.95 | 93.45 | 79.85 | 74.81 |
| 5600. | 14.97 | 93.72 | 80.10 | 76.30 |
| 5700. | 14.98 | 93.99 | 80.34 | 77.80 |
| 5800. | 14.99 | 94.25 | 80.58 | 79.30 |
| 5900. | 15.01 | 94.50 | 80.81 | 80.80 |
| 6000. | 15.02 | 94.76 | 81.04 | 82.30 |
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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