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Properties of substance:

niobium nitride

Group of substances:

inorganic

Physical appearance:

hexagonal crystals

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

NNb

Structural formula as text:

NbN

Molar/atomic mass: 106.91

Melting point (°C):

2300

Solubility (g/100 g of solvent):

water: insoluble [Ref.]

Density:

8.4 (20°C, g/cm3)

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

-234.3 (s)

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

-204.8 (s)

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

33.3 (s)

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

37.5 (s)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-78
  2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 88 [Russian]
  3. Редкие и рассеянные элементы. Химия и технология. - Кн. 2. - М.: Мисис, 1998. - pp. 262 [Russian]
  4. Самсонов Г.В. Нитриды. – Киев: Наукова думка, 1969. - pp. 177-187 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru