Trihydroxy boroxine
- Formula: B3H3O6
- Molecular weight: 131.453
- IUPAC Standard InChI: InChI=1S/B3H3O6/c4-1-7-2(5)9-3(6)8-1/h4-6H
- IUPAC Standard InChIKey: AIUDKCYIGXXGIL-UHFFFAOYSA-N
- CAS Registry Number: 13460-51-0
- 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 (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. to 1200. | 1200. to 6000. |
|---|---|---|
| A | 64.38590 | 255.4930 |
| B | 414.7612 | 13.84076 |
| C | -339.3575 | -2.617357 |
| D | 102.7779 | 0.172356 |
| E | -2.087817 | -28.08979 |
| F | -2313.765 | -2416.867 |
| G | 304.2157 | 558.0954 |
| H | -2271.916 | -2271.916 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in December, 1964 | Data last reviewed in December, 1964 |
| 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. | 137.1 | 347.5 | 347.6 | -0.03 |
| 300. | 137.8 | 348.4 | 347.6 | 0.24 |
| 400. | 169.5 | 392.7 | 353.4 | 15.72 |
| 500. | 191.4 | 433.0 | 365.3 | 33.83 |
| 600. | 207.5 | 469.4 | 379.7 | 53.82 |
| 700. | 219.4 | 502.3 | 394.9 | 75.19 |
| 800. | 228.4 | 532.2 | 410.2 | 97.60 |
| 900. | 235.1 | 559.5 | 425.3 | 120.8 |
| 1000. | 240.5 | 584.6 | 440.0 | 144.6 |
| 1100. | 245.1 | 607.7 | 454.2 | 168.9 |
| 1200. | 249.6 | 629.3 | 467.9 | 193.6 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 1200. | 249.1 | 629.3 | 467.9 | 193.6 |
| 1300. | 252.8 | 649.3 | 481.1 | 218.7 |
| 1400. | 255.9 | 668.2 | 493.8 | 244.1 |
| 1500. | 258.5 | 685.9 | 506.0 | 269.9 |
| 1600. | 260.7 | 702.7 | 517.8 | 295.8 |
| 1700. | 262.6 | 718.6 | 529.2 | 322.0 |
| 1800. | 264.3 | 733.6 | 540.1 | 348.3 |
| 1900. | 265.7 | 747.9 | 550.7 | 374.8 |
| 2000. | 267.1 | 761.6 | 560.9 | 401.5 |
| 2100. | 268.2 | 774.7 | 570.7 | 428.2 |
| 2200. | 269.3 | 787.2 | 580.3 | 455.1 |
| 2300. | 270.3 | 799.2 | 589.6 | 482.1 |
| 2400. | 271.1 | 810.7 | 598.5 | 509.2 |
| 2500. | 271.9 | 821.8 | 607.2 | 536.3 |
| 2600. | 272.7 | 832.4 | 615.7 | 563.6 |
| 2700. | 273.3 | 842.8 | 623.9 | 590.9 |
| 2800. | 273.9 | 852.7 | 631.9 | 618.2 |
| 2900. | 274.5 | 862.3 | 639.7 | 645.6 |
| 3000. | 275.0 | 871.6 | 647.3 | 673.1 |
| 3100. | 275.5 | 880.7 | 654.7 | 700.6 |
| 3200. | 275.9 | 889.4 | 661.9 | 728.2 |
| 3300. | 276.3 | 897.9 | 668.9 | 755.8 |
| 3400. | 276.6 | 906.2 | 675.7 | 783.5 |
| 3500. | 277.0 | 914.2 | 682.4 | 811.1 |
| 3600. | 277.3 | 922.0 | 689.0 | 838.8 |
| 3700. | 277.6 | 929.6 | 695.4 | 866.6 |
| 3800. | 277.8 | 937.0 | 701.6 | 894.4 |
| 3900. | 278.0 | 944.2 | 707.8 | 922.1 |
| 4000. | 278.3 | 951.3 | 713.8 | 950.0 |
| 4100. | 278.5 | 958.1 | 719.6 | 977.8 |
| 4200. | 278.6 | 964.8 | 725.4 | 1006. |
| 4300. | 278.8 | 971.4 | 731.1 | 1034. |
| 4400. | 279.0 | 977.8 | 736.6 | 1061. |
| 4500. | 279.1 | 984.1 | 742.0 | 1089. |
| 4600. | 279.2 | 990.2 | 747.3 | 1117. |
| 4700. | 279.4 | 996.2 | 752.6 | 1145. |
| 4800. | 279.5 | 1002. | 757.7 | 1173. |
| 4900. | 279.6 | 1008. | 762.8 | 1201. |
| 5000. | 279.7 | 1014. | 767.7 | 1229. |
| 5100. | 279.8 | 1019. | 772.6 | 1257. |
| 5200. | 279.9 | 1024. | 777.4 | 1285. |
| 5300. | 280.0 | 1030. | 782.1 | 1313. |
| 5400. | 280.1 | 1035. | 786.7 | 1341. |
| 5500. | 280.2 | 1040. | 791.3 | 1369. |
| 5600. | 280.3 | 1045. | 795.8 | 1397. |
| 5700. | 280.4 | 1050. | 800.2 | 1425. |
| 5800. | 280.5 | 1055. | 804.6 | 1453. |
| 5900. | 280.6 | 1060. | 808.8 | 1481. |
| 6000. | 280.8 | 1065. | 813.1 | 1509. |
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
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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