Dihydroxyborane
- Formula: B2H4O4
- Molecular weight: 89.651
- IUPAC Standard InChI: InChI=1S/BH3O2/c2-1-3/h1-3H
- IUPAC Standard InChIKey: ZADPBFCGQRWHPN-UHFFFAOYSA-N
- CAS Registry Number: 13675-18-8
- Chemical structure:
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Solid 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 1500. |
|---|---|
| A | 58.01158 |
| B | 279.7343 |
| C | -124.5200 |
| D | 19.64593 |
| E | -1.304317 |
| F | -1443.493 |
| G | 110.2852 |
| H | -1410.426 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in March, 1966 |
| 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. | 116.1 | 125.4 | 125.5 | -0.04 |
| 300. | 116.8 | 126.2 | 125.5 | 0.19 |
| 400. | 143.1 | 163.6 | 130.4 | 13.25 |
| 500. | 164.0 | 197.8 | 140.5 | 28.63 |
| 600. | 181.6 | 229.3 | 152.7 | 45.94 |
| 700. | 196.9 | 258.5 | 165.8 | 64.88 |
| 800. | 210.1 | 285.7 | 179.1 | 85.25 |
| 900. | 221.6 | 311.1 | 192.4 | 106.8 |
| 1000. | 231.6 | 335.0 | 205.4 | 129.5 |
| 1100. | 240.1 | 357.4 | 218.2 | 153.1 |
| 1200. | 247.4 | 378.7 | 230.7 | 177.5 |
| 1300. | 253.6 | 398.7 | 242.9 | 202.6 |
| 1400. | 258.8 | 417.7 | 254.7 | 228.2 |
| 1500. | 263.2 | 435.7 | 266.2 | 254.3 |
References
Go To: Top, Solid 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, Solid Phase Heat Capacity (Shomate Equation), References
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