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Properties of substance:

pentaborane(11)

Group of substances:

inorganic

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

H11B5

Structural formula as text:

B5H11

Molar/atomic mass: 65.14

Melting point (°C):

-123

Boiling point (°C):

65

Decomposition temperature (°C):

25

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

73.2 (l)

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

103.3 (g)

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

230.6 (g)

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

321 (g)

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

130.3 (g)

References:

  1. The Merck Index 11th ed., Merck & Company, 1989. - pp. 1126
  2. Жигач А.Ф., Стасиневич Д.С. Химия гидридов. - Л.: Химия, 1969. - pp. 302-305 [Russian]
  3. Карапетьянц М.Х., Дракин С.И. Общая и неорганическая химия. - М.: Химия, 1981. - pp. 349 [Russian]
  4. Успехи химии. - 1966. - Т.35, №8. - pp. 1369-1375 [Russian]
  5. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 307 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru