ABSTRACT

The heat capacity of Ir(C5H7O2)3 has been measured by the adiabatic method within the temperature range (5 to 305) K. The thermodynamic functions (entropy, enthalpy, and reduced Gibbs free energy) at 298.15 K have been calculated using the obtained experimental heat capacity data. A connection has been found between the entropy and the volume of the elementary crystalline cell for b-acetylacetonates of some metals. The reasons for this interdependence are discussed. The values of entropies at T = 298.15 K have been calculated for all the metal acetylacetonates on which there are structural data. 2007 Elsevier Ltd. All rights reserved.

Compounds

#	Formula	Name
1	C15H21IrO6	iridium, tris(2,4-pentanedionato-O,O')-, (oc-6-11)-

Datasets

The table above is generated from the ThermoML associated json file (link above). POMD and RXND refer to PureOrMixture and Reaction Datasets. The compound numbers are included in properties, variables, and phases, if specificied; the numbers refer to the table of compounds on the left.
Type	Compound-#	Property	Variable	Constraint	Phase	Method	#Points
POMD	1	Normal melting temperature, K ; Crystal			Crystal Liquid Air at 1 atmosphere	Boetius table	1
POMD	1	Mass density, kg/m3 ; Crystal	Temperature, K; Crystal Pressure, kPa; Crystal		Crystal	Pycnometric method	1
POMD	1	Molar heat capacity at constant pressure, J/K/mol ; Crystal	Temperature, K; Crystal	Pressure, kPa; Crystal	Crystal	VADIAC:UFactor:8	77
POMD	1	Molar enthalpy, kJ/mol ; Crystal	Temperature, K; Crystal Pressure, kPa; Crystal		Crystal	VADIAC:UFactor:8	1
POMD	1	Molar entropy, J/K/mol ; Crystal	Temperature, K; Crystal Pressure, kPa; Crystal		Crystal	VADIAC:UFactor:8	1

Thermodynamics Research Center / ThermoML | Journal of Chemical Thermodynamics

Low-temperature thermodynamic properties of Ir(C5H7O2)3: Connection of entropy with the molecule volume for tris-acetylacetonates of metals

Naumov, V. N., Bespyatov, M. A.

ABSTRACT