Boron dihydride


Gas Phase Heat Capacity (Shomate Equation)

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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. - 1300.1300. - 6000.
A 27.9660755.96728
B 29.190603.264763
C -6.409428-0.617010
D -0.6593480.040532
E -0.183321-9.779724
F 190.6389164.0161
G 204.5913222.6980
H 200.8320200.8320
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in December, 1964 Data last reviewed in December, 1964
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.34.01180.2180.2-0.01
300.34.09180.4180.20.06
400.37.43190.7181.63.65
500.40.14199.3184.37.53
600.42.52206.9187.411.66
700.44.66213.6190.716.02
800.46.59219.7193.920.59
900.48.34225.3197.125.34
1000.49.90230.4200.230.25
1100.51.29235.3203.235.31
1200.52.50239.8206.040.50
1300.53.52244.0208.845.81
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1300.53.47244.0208.845.80
1400.54.45248.0211.551.20
1500.55.27251.8214.056.68
1600.55.96255.4216.562.25
1700.56.55258.8218.967.87
1800.57.06262.1221.273.55
1900.57.51265.2223.479.28
2000.57.91268.1225.685.05
2100.58.26271.0227.790.86
2200.58.57273.7229.796.71
2300.58.86276.3231.7102.6
2400.59.11278.8233.6108.5
2500.59.34281.2235.4114.4
2600.59.55283.5237.3120.3
2700.59.74285.8239.0126.3
2800.59.91288.0240.7132.3
2900.60.07290.1242.4138.3
3000.60.22292.1244.0144.3
3100.60.35294.1245.6150.3
3200.60.47296.0247.1156.4
3300.60.58297.9248.6162.4
3400.60.68299.7250.1168.5
3500.60.78301.4251.6174.6
3600.60.86303.2253.0180.6
3700.60.94304.8254.4186.7
3800.61.01306.4255.7192.8
3900.61.08308.0257.0198.9
4000.61.14309.6258.3205.0
4100.61.19311.1259.6211.2
4200.61.24312.6260.8217.3
4300.61.29314.0262.0223.4
4400.61.33315.4263.2229.5
4500.61.37316.8264.4235.7
4600.61.41318.1265.6241.8
4700.61.45319.5266.7248.0
4800.61.48320.8267.8254.1
4900.61.51322.0268.9260.3
5000.61.54323.3270.0266.4
5100.61.57324.5271.0272.6
5200.61.60325.7272.1278.7
5300.61.62326.9273.1284.9
5400.61.65328.0274.1291.0
5500.61.68329.1275.1297.2
5600.61.71330.3276.1303.4
5700.61.73331.3277.0309.6
5800.61.76332.4278.0315.7
5900.61.79333.5278.9321.9
6000.61.83334.5279.8328.1

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