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Properties of substance:

magnesium nitride

Group of substances:

inorganic

Physical appearance:

cubic crystals

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

Mg3N2

Structural formula as text:

Mg3N2

Molar/atomic mass: 100.93

Decomposition temperature (°C):

1500

Solubility (g/100 g of solvent):

hydrazine: insoluble [Ref.]

Density:

2.71 (20°C, g/cm3)

Reactions of synthesis:

  1. [Ref.1]
    3Mg + N2 → Mg3N2

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

-461.1 (s)

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

-400.9 (s)

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

87.9 (s)

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

104.5 (s)

References:

  1. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 125 [Russian]
  2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 78 [Russian]
  3. Самсонов Г.В. Нитриды. – Киев: Наукова думка, 1969. - pp. 94-101 [Russian]
  4. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 112-113 [Russian]
  5. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 621 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru