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Properties of substance:

diboron tetrachloride


tetrachlorodiborane;

Physical appearance:

colorless liquid

Empirical formula (Hill's system):

B2Cl4

Structural formula:

BCl2BCl2

CAS No: 13701-67-2

Molar/atomic mass: 163.434

Melting point (°C):

-92.6

Boiling point (°C):

65.5

Destruction point (°C):

0

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

    -523 (l)

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

    -464.8 (l)

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

    262.3 (l)

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

    137.7 (l)

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

    -490.4 (g)

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

    -460.6 (g)

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

    357.4 (g)

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

    95.4 (g)

    References:

    1. Bretherick's Handbook of Reactive Chemical Hazards. - 6 ed., Vol. 1. - Butterworth-Heinemann, 1999. - pp. 71-72
    2. Holleman A.F., Wiberg E., Wiberg N. Lehrbuch der Anorganischen Chemie. - Berlin: Walter de Gruyter, 1995. - pp. 1028, 1033
    3. Гринвуд Н., Эрншо А. Химия элементов. - Т.1. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 192
    4. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 16-17
    5. Успехи химии. - 1964. - Т.33, №2. - pp. 235-250
    6. Фурман А.А. Неорганические хлориды (химия и технология). - М.: Химия, 1980. - pp. 130-131
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru