Main page (Russian) Search in database (English)

Properties of substance:

manganese(II) hydroxide

Group of substances:

inorganic

Physical appearance:

trigonal crystals

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

H2MnO2

Structural formula as text:

Mn(OH)2

Molar/atomic mass: 88.95

Decomposition temperature (°C):

160-210

Solubility (g/100 g of solvent):

water: 0.0002 (18°C) [Ref.]

Numerical data:

Magnetic susceptibility (mm3/mol): 13.5

Density:

3.26 (20°C, g/cm3)

Dissociation:

pKb (2) = 3.3 (30°C, water)
pKsp (0) = 12.7 (20°C, water)

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

-700 (s)

Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):

-618.7 (s)

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

94.9 (s)

Neel temperature (K):

12

References:

  1. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 79 [Russian]
  2. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 650 [Russian]
  3. Чалый В.П. Гидроокиси металлов (закономерности образования, состав, структура и свойства). - Киев: Наукова думка, 1972. - pp. 32-35 [Russian]

    What information do you need?




    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru