NOTICE: Due to scheduled maintenance at our Gaithersburg campus, this site will not be available from 5:00 pm EDT (21:00 UTC) on Friday October 25 until 5:00 pm (21:00 UTC) on Sunday October 27. We apologize for any inconvenience this outage may cause.

# iron dibromide

• Formula: Br2Fe
• Molecular weight: 215.653
• CAS Registry Number: 7789-46-0
• Other data available:
• Data at other public NIST sites:
• Options:

## Solid Phase Heat Capacity (Shomate Equation)

Go To: Top, References, Notes

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

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A 298. - 650. 650. - 964. 17.72519 16.54152 4.682481 7.736592 1.102412 -2.048825 -0.663313 0.605514 -0.002280 0.074881 -65.00908 -64.43547 53.61807 51.90655 -59.50000 -59.50000 Chase, 1998 Chase, 1998 Data last reviewed in September, 1966 Data last reviewed in September, 1966
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.19.1833.6133.62-0.00
300.19.1933.7433.620.04
400.19.7239.3334.381.98
500.20.2543.7935.833.98
600.20.7847.5337.486.03
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
650.21.0549.3438.307.18
700.21.3150.9139.158.23
800.21.8553.7940.8010.39
900.22.3856.4042.3912.60