barium sulphide
- Formula: BaS
- Molecular weight: 169.392
- IUPAC Standard InChI: InChI=1S/Ba.S
- IUPAC Standard InChIKey: OTMNKCRTGBGNPN-UHFFFAOYSA-N
- CAS Registry Number: 21109-95-5
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Barium sulfide
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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 (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 298. - 3000. | 3000. - 6000. |
|---|---|---|
| A | 35.10736 | -683.4271 |
| B | 6.630134 | 352.7480 |
| C | -5.977430 | -58.02957 |
| D | 1.851216 | 3.216220 |
| E | -0.094801 | 1004.491 |
| F | 26.75266 | 1400.531 |
| G | 289.0897 | 317.8924 |
| H | 37.78202 | 37.78202 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in September, 1977 | Data last reviewed in September, 1977 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 298. | 35.53 | 248.8 | 248.9 | -0.00 |
| 300. | 35.56 | 249.1 | 248.9 | 0.07 |
| 400. | 36.33 | 259.4 | 250.3 | 3.67 |
| 500. | 36.78 | 267.6 | 252.9 | 7.32 |
| 600. | 37.07 | 274.3 | 256.0 | 11.02 |
| 700. | 37.26 | 280.1 | 259.0 | 14.73 |
| 800. | 37.39 | 285.0 | 262.0 | 18.47 |
| 900. | 37.47 | 289.4 | 264.8 | 22.21 |
| 1000. | 37.52 | 293.4 | 267.4 | 25.96 |
| 1100. | 37.55 | 297.0 | 270.0 | 29.71 |
| 1200. | 37.59 | 300.2 | 272.4 | 33.47 |
| 1300. | 37.64 | 303.3 | 274.6 | 37.23 |
| 1400. | 37.71 | 306.0 | 276.8 | 41.00 |
| 1500. | 37.81 | 308.6 | 278.8 | 44.77 |
| 1600. | 37.96 | 311.1 | 280.7 | 48.56 |
| 1700. | 38.17 | 313.4 | 282.6 | 52.37 |
| 1800. | 38.44 | 315.6 | 284.4 | 56.20 |
| 1900. | 38.80 | 317.7 | 286.1 | 60.06 |
| 2000. | 39.24 | 319.7 | 287.7 | 63.96 |
| 2100. | 39.79 | 321.6 | 289.3 | 67.91 |
| 2200. | 40.46 | 323.5 | 290.8 | 71.92 |
| 2300. | 41.24 | 325.3 | 292.2 | 76.00 |
| 2400. | 42.16 | 327.1 | 293.7 | 80.17 |
| 2500. | 43.23 | 328.8 | 295.0 | 84.44 |
| 2600. | 44.46 | 330.5 | 296.4 | 88.83 |
| 2700. | 45.86 | 332.2 | 297.7 | 93.34 |
| 2800. | 47.43 | 333.9 | 298.9 | 98.00 |
| 2900. | 49.20 | 335.6 | 300.2 | 102.8 |
| 3000. | 51.17 | 337.3 | 301.4 | 107.9 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 3000. | 51.00 | 337.3 | 301.4 | 107.9 |
| 3100. | 52.77 | 339.0 | 302.6 | 113.1 |
| 3200. | 54.63 | 340.7 | 303.7 | 118.4 |
| 3300. | 56.52 | 342.4 | 304.9 | 124.0 |
| 3400. | 58.40 | 344.2 | 306.0 | 129.7 |
| 3500. | 60.22 | 345.9 | 307.1 | 135.7 |
| 3600. | 61.97 | 347.6 | 308.2 | 141.8 |
| 3700. | 63.60 | 349.3 | 309.3 | 148.0 |
| 3800. | 65.11 | 351.0 | 310.4 | 154.5 |
| 3900. | 66.48 | 352.7 | 311.4 | 161.1 |
| 4000. | 67.71 | 354.4 | 312.5 | 167.8 |
| 4100. | 68.78 | 356.1 | 313.5 | 174.6 |
| 4200. | 69.70 | 357.8 | 314.6 | 181.5 |
| 4300. | 70.46 | 359.4 | 315.6 | 188.5 |
| 4400. | 71.07 | 361.1 | 316.6 | 195.6 |
| 4500. | 71.52 | 362.7 | 317.6 | 202.7 |
| 4600. | 71.83 | 364.2 | 318.6 | 209.9 |
| 4700. | 72.01 | 365.8 | 319.6 | 217.1 |
| 4800. | 72.05 | 367.3 | 320.6 | 224.3 |
| 4900. | 71.97 | 368.8 | 321.5 | 231.5 |
| 5000. | 71.78 | 370.2 | 322.5 | 238.7 |
| 5100. | 71.49 | 371.7 | 323.5 | 245.9 |
| 5200. | 71.12 | 373.1 | 324.4 | 253.0 |
| 5300. | 70.67 | 374.4 | 325.3 | 260.1 |
| 5400. | 70.16 | 375.7 | 326.3 | 267.1 |
| 5500. | 69.60 | 377.0 | 327.2 | 274.1 |
| 5600. | 69.01 | 378.2 | 328.1 | 281.0 |
| 5700. | 68.39 | 379.5 | 329.0 | 287.9 |
| 5800. | 67.78 | 380.7 | 329.8 | 294.7 |
| 5900. | 67.18 | 381.8 | 330.7 | 301.5 |
| 6000. | 66.60 | 382.9 | 331.6 | 308.2 |
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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