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Properties of substance:

tribromosilane

Synonyms:

silicobromoform

Group of substances:

inorganic

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

HBr3Si

Structural formula as text:

SiHBr3

Molar/atomic mass: 268.805

Melting point (°C):

-73

Boiling point (°C):

112

Reactions of synthesis:

  1. [Ref.1aster]
    Si + 3HBr → SiHBr3 + H2

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

-355.6 (l)

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

-336.4 (l)

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

248.1 (l)

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

-317.6 (g)

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

-328.5 (g)

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

348.6 (g)

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

80.8 (g)

References:

  1. Inorganic Syntheses. - Vol. 1. - New York and London, 1939. - pp. 38-42
  2. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 604 [Russian]
  3. Синтезы неорганических соединений. - Т.1, под ред. Джолли У. - М.: Мир, 1966. - pp. 200-201 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru