Magnesium monohydroxide

Formula: HMgO
Molecular weight: 41.3123
IUPAC Standard InChI: InChI=1S/Mg.H2O/h;1H2/q+1;/p-1
IUPAC Standard InChIKey: UNYOJUYSNFGNDV-UHFFFAOYSA-M
CAS Registry Number: 12141-11-6
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 6000.
A	11.44060
B	2.022441
C	-0.440268
D	0.034037
E	-0.153830
F	-43.39130
G	66.51621
H	-39.37739
Reference	Chase, 1998
Comment	Data last reviewed in December, 1975

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.	10.27	54.12	54.12	-0.00
300.	10.30	54.18	54.12	0.02
400.	11.22	57.29	54.54	1.10
500.	11.73	59.85	55.35	2.25
600.	12.08	62.02	56.29	3.44
700.	12.34	63.90	57.25	4.66
800.	12.55	65.57	58.18	5.91
900.	12.74	67.06	59.09	7.17
1000.	12.90	68.41	59.95	8.45
1100.	13.05	69.64	60.78	9.75
1200.	13.19	70.79	61.57	11.06
1300.	13.31	71.85	62.32	12.39
1400.	13.42	72.84	63.03	13.72
1500.	13.53	73.77	63.72	15.07
1600.	13.63	74.64	64.37	16.43
1700.	13.72	75.47	65.00	17.80
1800.	13.81	76.26	65.61	19.17
1900.	13.88	77.01	66.19	20.56
2000.	13.96	77.72	66.74	21.95
2100.	14.03	78.40	67.28	23.35
2200.	14.09	79.06	67.80	24.76
2300.	14.15	79.68	68.31	26.17
2400.	14.20	80.29	68.79	27.59
2500.	14.25	80.87	69.27	29.01
2600.	14.30	81.43	69.72	30.44
2700.	14.34	81.97	70.17	31.87
2800.	14.38	82.49	70.60	33.30
2900.	14.41	83.00	71.02	34.74
3000.	14.45	83.49	71.42	36.19
3100.	14.48	83.96	71.82	37.63
3200.	14.50	84.42	72.21	39.08
3300.	14.53	84.87	72.58	40.53
3400.	14.55	85.30	72.95	41.99
3500.	14.57	85.72	73.31	43.44
3600.	14.59	86.13	73.66	44.90
3700.	14.61	86.53	74.00	46.36
3800.	14.63	86.92	74.34	47.82
3900.	14.64	87.30	74.67	49.29
4000.	14.65	87.67	74.99	50.75
4100.	14.67	88.04	75.30	52.22
4200.	14.68	88.39	75.61	53.69
4300.	14.69	88.74	75.91	55.15
4400.	14.71	89.07	76.20	56.62
4500.	14.72	89.40	76.49	58.10
4600.	14.73	89.73	76.78	59.57
4700.	14.75	90.05	77.06	61.04
4800.	14.76	90.36	77.33	62.52
4900.	14.78	90.66	77.60	64.00
5000.	14.79	90.96	77.86	65.47
5100.	14.81	91.25	78.12	66.95
5200.	14.83	91.54	78.38	68.44
5300.	14.85	91.82	78.63	69.92
5400.	14.88	92.10	78.88	71.41
5500.	14.90	92.37	79.12	72.90
5600.	14.93	92.64	79.36	74.39
5700.	14.96	92.91	79.59	75.88
5800.	15.00	93.17	79.83	77.38
5900.	15.03	93.42	80.05	78.88
6000.	15.07	93.68	80.28	80.39

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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