aluminium nitride

Formula: AlN
Molecular weight: 40.9882
IUPAC Standard InChI: InChI=1S/Al.N
IUPAC Standard InChIKey: PIGFYZPCRLYGLF-UHFFFAOYSA-N
CAS Registry Number: 24304-00-5
Chemical structure:
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Other names: Aluminum nitride
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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. - 6000.
A	8.655581
B	0.349458
C	-0.067816
D	0.008077
E	-0.094963
F	122.0860
G	64.45270
H	125.0000
Reference	Chase, 1998
Comment	Data last reviewed in December, 1979

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.	7.68	54.61	54.61	-0.00
300.	7.70	54.66	54.61	0.01
400.	8.19	56.95	54.92	0.81
500.	8.43	58.81	55.52	1.64
600.	8.58	60.36	56.20	2.50
700.	8.68	61.69	56.89	3.36
800.	8.75	62.85	57.57	4.23
900.	8.80	63.89	58.21	5.11
1000.	8.85	64.82	58.83	5.99
1100.	8.89	65.66	59.41	6.88
1200.	8.93	66.44	59.97	7.77
1300.	8.96	67.15	60.49	8.66
1400.	8.99	67.82	60.99	9.56
1500.	9.01	68.44	61.47	10.46
1600.	9.04	69.02	61.92	11.36
1700.	9.06	69.57	62.36	12.27
1800.	9.08	70.09	62.77	13.17
1900.	9.10	70.58	63.17	14.08
2000.	9.12	71.05	63.55	15.00
2100.	9.14	71.49	63.92	15.91
2200.	9.16	71.92	64.27	16.82
2300.	9.18	72.33	64.61	17.74
2400.	9.20	72.72	64.94	18.66
2500.	9.22	73.10	65.26	19.58
2600.	9.23	73.46	65.57	20.50
2700.	9.25	73.81	65.87	21.43
2800.	9.27	74.14	66.16	22.35
2900.	9.28	74.47	66.44	23.28
3000.	9.30	74.78	66.71	24.21
3100.	9.32	75.09	66.98	25.14
3200.	9.33	75.38	67.24	26.07
3300.	9.35	75.67	67.49	27.01
3400.	9.37	75.95	67.73	27.94
3500.	9.39	76.22	67.97	28.88
3600.	9.40	76.49	68.20	29.82
3700.	9.42	76.75	68.43	30.76
3800.	9.44	77.00	68.65	31.71
3900.	9.46	77.24	68.87	32.65
4000.	9.48	77.48	69.08	33.60
4100.	9.50	77.72	69.29	34.55
4200.	9.52	77.95	69.49	35.50
4300.	9.54	78.17	69.69	36.45
4400.	9.56	78.39	69.89	37.41
4500.	9.59	78.60	70.08	38.36
4600.	9.61	78.82	70.27	39.32
4700.	9.63	79.02	70.45	40.29
4800.	9.66	79.23	70.63	41.25
4900.	9.69	79.43	70.81	42.22
5000.	9.71	79.62	70.98	43.19
5100.	9.74	79.81	71.16	44.16
5200.	9.77	80.00	71.32	45.14
5300.	9.80	80.19	71.49	46.11
5400.	9.83	80.37	71.65	47.10
5500.	9.87	80.55	71.81	48.08
5600.	9.90	80.73	71.97	49.07
5700.	9.94	80.91	72.13	50.06
5800.	9.97	81.08	72.28	51.06
5900.	10.01	81.25	72.43	52.06
6000.	10.05	81.42	72.58	53.06

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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