cobalt
- Formula: Co
- Molecular weight: 58.933195
- IUPAC Standard InChI: InChI=1S/Co
- IUPAC Standard InChIKey: GUTLYIVDDKVIGB-UHFFFAOYSA-N
- CAS Registry Number: 7440-48-4
- Chemical structure:
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- Other data available:
- Data at other public NIST sites:
- NIST Atomic Spectra Database - Lines Holdings (on physics web site)
- NIST Atomic Spectra Database - Levels Holdings (on physics web site)
- NIST Atomic Spectra Database - Ground states and ionization energies (on physics web site)
- Gas Phase Kinetics Database
- X-ray Photoelectron Spectroscopy Database, version 5.0
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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. - 700. | 700. - 1394. | 1394. - 1768. |
|---|---|---|---|
| A | 10.99430 | -204.5760 | -12418.90 |
| B | 54.37500 | 515.5820 | 15326.40 |
| C | -55.51320 | -421.5500 | -7087.150 |
| D | 25.81700 | 129.5580 | 1167.310 |
| E | 0.164533 | 17.92670 | 3319.770 |
| F | -4.703300 | 94.61550 | 10138.70 |
| G | 30.32580 | -272.8560 | -10472.80 |
| H | 0.000000 | 0.000000 | 0.000000 |
| Reference | Chase, 1998 | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in September, 1967 | Data last reviewed in September, 1967 | Data last reviewed in September, 1967 |
| 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. | 24.80 | 30.06 | 30.07 | -0.00 |
| 300. | 24.84 | 30.22 | 30.07 | 0.05 |
| 400. | 26.54 | 37.60 | 31.06 | 2.61 |
| 500. | 28.19 | 43.70 | 33.00 | 5.35 |
| 600. | 29.67 | 48.97 | 35.23 | 8.25 |
| 700. | 31.05 | 53.65 | 37.53 | 11.28 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 700. | 30.80 | 54.26 | 37.55 | 11.70 |
| 800. | 32.44 | 58.47 | 39.90 | 14.85 |
| 900. | 34.57 | 62.41 | 42.19 | 18.20 |
| 1000. | 36.94 | 66.17 | 44.40 | 21.78 |
| 1100. | 39.75 | 69.82 | 46.54 | 25.61 |
| 1200. | 43.42 | 73.43 | 48.63 | 29.75 |
| 1300. | 48.51 | 77.09 | 50.68 | 34.34 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 1394. | 44.56 | 80.77 | 52.58 | 39.29 |
| 1400. | 44.10 | 80.96 | 52.71 | 39.55 |
| 1500. | 39.74 | 83.82 | 54.69 | 43.70 |
| 1600. | 38.32 | 86.33 | 56.59 | 47.59 |
| 1700. | 37.82 | 88.64 | 58.41 | 51.40 |
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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