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Properties of substance:

decaborane(14)

Group of substances:

inorganic

Physical appearance:

colorless monoclinic crystals

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

H14B10

Structural formula as text:

B10H14

Molar/atomic mass: 122.22

Melting point (°C):

99.5

Boiling point (°C):

213

Decomposition temperature (°C):

150

Solubility (g/100 g of solvent):

1,4-dioxane: soluble [Ref.]
1-bromopropane: 20 (20°C) [Ref.]
acetic anhydride: 20 (20°C) [Ref.]
benzene: 20 (20°C) [Ref.]
butanal: 20 (20°C) [Ref.]
carbon disulphide: 20 (20°C) [Ref.]
diethyl ether: soluble [Ref.]
ethanol: soluble [Ref.]
ethyl acetate: 50 (20°C) [Ref.]
heptane: 2 (20°C) [Ref.]
methylene chloride: soluble [Ref.]
water: insoluble [Ref.]

Dissociation:

pKa (1) = 2.7 (25°C, water)

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

-37 (s)

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

176.1 (s)

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

217.9 (s)

Enthalpy (heat) of vaporization ΔvapH (kJ/mol):

44

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

38 (g)

References:

  1. Гринвуд Н., Эрншо А. Химия элементов. - Т.1. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 161, 170-171 [Russian]
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 106-107 [Russian]
  3. Жигач А.Ф., Стасиневич Д.С. Химия гидридов. - Л.: Химия, 1969. - pp. 314-332 [Russian]
  4. Карапетьянц М.Х., Дракин С.И. Общая и неорганическая химия. - М.: Химия, 1981. - pp. 349 [Russian]
  5. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 20-21 [Russian]
  6. Успехи химии. - 1965. - Т.34, №6. - pp. 1011-1039 [Russian]
  7. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 307 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru