ABSTRACT

The heat capacities of layered perovskite-like oxides NaGdTiO4 and Na2Gd2Ti3O10 were measured by precision adiabatic vacuum calorimetry over the temperature range from T = (6 to 344) K and by differential scanning calorimetry over the temperature range from T = (320 to 630) K. The standard thermodynamic functions: molar heat capacity Cp,mdeg , enthalpy Hdeg (T) Hdeg (5), entropy Sdeg (T) Sdeg (5), and Gibbs energy of the compounds were evaluated from the experimental heat capacity temperature dependences over the range from T = (5 to 630) K.

Compounds

#	Formula	Name
1	GdNaO4Ti	sodium gadolinium titanate
2	Gd2Na2O10Ti3	sodium decaoxotrititanatedigadolinate

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	Molar heat capacity at constant pressure, J/K/mol ; Crystal 2	Temperature, K; Crystal 2	Pressure, kPa; Crystal 2	Crystal 2	Small (less than 1 g) adiabatic calorimetry	181
POMD	1	Molar heat capacity at constant pressure, J/K/mol ; Crystal 2	Temperature, K; Crystal 2	Pressure, kPa; Crystal 2	Crystal 2	Small sample (50 mg) DSC	63
POMD	1	Molar heat capacity at constant pressure, J/K/mol ; Crystal 2	Temperature, K; Crystal 2	Pressure, kPa; Crystal 2	Crystal 2	Small (less than 1 g) adiabatic calorimetry	38
POMD	1	Molar heat capacity at constant pressure, J/K/mol ; Crystal 2	Temperature, K; Crystal 2	Pressure, kPa; Crystal 2	Crystal 2	Small sample (50 mg) DSC	29
POMD	2	Molar heat capacity at constant pressure, J/K/mol ; Crystal 2	Temperature, K; Crystal 2	Pressure, kPa; Crystal 2	Crystal 2	Small (less than 1 g) adiabatic calorimetry	171
POMD	2	Molar heat capacity at constant pressure, J/K/mol ; Crystal 2	Temperature, K; Crystal 2	Pressure, kPa; Crystal 2	Crystal 2	Small sample (50 mg) DSC	63
POMD	2	Molar heat capacity at constant pressure, J/K/mol ; Crystal 2	Temperature, K; Crystal 2	Pressure, kPa; Crystal 2	Crystal 2	Small (less than 1 g) adiabatic calorimetry	39
POMD	2	Molar heat capacity at constant pressure, J/K/mol ; Crystal 2	Temperature, K; Crystal 2	Pressure, kPa; Crystal 2	Crystal 2	Small sample (50 mg) DSC	28

Thermodynamics Research Center / ThermoML | Journal of Chemical and Engineering Data

Heat Capacity and Standard Thermodynamic Functions of NaGdTiO4 and Na2Gd2Ti3O10 over the Range from (6 to 630) K

Markin, A. V.[Alexey V.], Sankovich, A. M.[Anna M.], Smirnova, N. N.[Natalia N.], Zvereva, I. A.[Irina A.]

ABSTRACT