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Properties of substance:

praseodymium(III) chloride heptahydrate

Group of substances:

inorganic

Physical appearance:

green triclinic crystals

Empirical formula (Hill's system for organic substances):

H14Cl3O7Pr

Structural formula as text:

PrCl3 * 7H2O

Molar/atomic mass: 373.374

Melting point (°C):

113

Solubility (g/100 g of solvent):

water: very soluble [Ref.]

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

-3178 (s)

Standard molar entropy S0 (298.15 K, J/(mol·K)):

465 (s)

Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

419 (s)

References:

  1. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 178-179 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru