Tungsten oxide

Formula: OW
Molecular weight: 199.84
IUPAC Standard InChI: InChI=1S/O.W
IUPAC Standard InChIKey: VVRQVWSVLMGPRN-UHFFFAOYSA-N
CAS Registry Number: 12035-99-3
Chemical structure:
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Gas Phase Heat Capacity (Shomate Equation)

C_p° = 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
C_p = heat capacity (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.

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Temperature (K)	298. to 1200.	1200. to 6000.
A	5.391932	10.56800
B	7.806700	-1.653331
C	-6.518961	0.567743
D	1.949461	-0.045840
E	0.008332	-0.830664
F	99.72689	96.58050
G	63.83719	70.00129
H	101.6000	101.6000
Reference	Chase, 1998	Chase, 1998
Comment	Data last reviewed in September, 1966	Data last reviewed in September, 1966

Temperature (K)	C_p (cal/mol*K)	S° (cal/mol*K)	-(G° - H°_298.15)/T (cal/mol*K)	H° - H°_298.15 (kcal/mol)
298.	7.28	59.32	59.32	-0.00
300.	7.29	59.37	59.32	0.01
400.	7.65	61.51	59.61	0.76
500.	7.94	63.25	60.17	1.54
600.	8.17	64.72	60.81	2.35
700.	8.35	66.00	61.46	3.17
800.	8.48	67.12	62.10	4.02
900.	8.57	68.12	62.71	4.87
1000.	8.64	69.03	63.30	5.73
1100.	8.69	69.86	63.86	6.59
1200.	8.75	70.61	64.39	7.47

Temperature (K)	C_p (cal/mol*K)	S° (cal/mol*K)	-(G° - H°_298.15)/T (cal/mol*K)	H° - H°_298.15 (kcal/mol)
1200.	8.75	70.61	64.39	7.47
1300.	8.79	71.32	64.90	8.34
1400.	8.82	71.97	65.38	9.22
1500.	8.84	72.58	65.84	10.11
1600.	8.86	73.15	66.28	10.99
1700.	8.89	73.69	66.70	11.88
1800.	8.91	74.20	67.10	12.77
1900.	8.93	74.68	67.49	13.66
2000.	8.96	75.14	67.86	14.56
2100.	8.99	75.57	68.22	15.45
2200.	9.02	75.99	68.56	16.35
2300.	9.05	76.40	68.89	17.26
2400.	9.09	76.78	69.21	18.16
2500.	9.13	77.15	69.52	19.08
2600.	9.18	77.51	69.82	19.99
2700.	9.23	77.86	70.11	20.91
2800.	9.28	78.20	70.40	21.84
2900.	9.33	78.52	70.67	22.77
3000.	9.39	78.84	70.94	23.70
3100.	9.45	79.15	71.20	24.64
3200.	9.51	79.45	71.45	25.59
3300.	9.57	79.74	71.70	26.55
3400.	9.64	80.03	71.94	27.51
3500.	9.70	80.31	72.17	28.47
3600.	9.77	80.58	72.40	29.45
3700.	9.84	80.85	72.63	30.43
3800.	9.91	81.12	72.85	31.42
3900.	9.98	81.37	73.06	32.41
4000.	10.05	81.63	73.28	33.41
4100.	10.12	81.88	73.48	34.42
4200.	10.20	82.12	73.68	35.44
4300.	10.27	82.36	73.88	36.46
4400.	10.34	82.60	74.08	37.49
4500.	10.41	82.83	74.27	38.53
4600.	10.48	83.06	74.46	39.57
4700.	10.54	83.29	74.65	40.62
4800.	10.61	83.51	74.83	41.68
4900.	10.67	83.73	75.01	42.74
5000.	10.73	83.95	75.18	43.81
5100.	10.79	84.16	75.36	44.89
5200.	10.85	84.37	75.53	45.97
5300.	10.90	84.58	75.70	47.06
5400.	10.95	84.78	75.86	48.15
5500.	10.99	84.98	76.03	49.25
5600.	11.04	85.18	76.19	50.35
5700.	11.08	85.38	76.35	51.46
5800.	11.11	85.57	76.51	52.56
5900.	11.14	85.76	76.66	53.68
6000.	11.16	85.95	76.82	54.79

References

Go To: Top, Gas Phase Heat Capacity (Shomate Equation), Notes

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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