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Properties of substance:

chlorine(I) fluoride

Group of substances:

inorganic

Physical appearance:

colorless gas

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

ClF

Structural formula as text:

ClF

Molar/atomic mass: 54.45

Melting point (°C):

-155.5

Boiling point (°C):

-100.1

Solubility (g/100 g of solvent):

water: reaction [Ref.]

Numerical data:

Year of discovery: 1928

Density:

1.67 (-108°C, g/cm3)

Vapour pressure (Torr):

1 (-153.5°C)
10 (-139.3°C)
100 (-121.2°C)

    Dipole moment (D):

    0.65 (20°C)

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

    -49.9 (g)

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

    -51.4 (g)

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

    217.8 (g)

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

    32.09 (g)

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

    22

    References:

    1. Никитин И.В. Фториды и оксифториды галогенов. - М.: Наука, 1989. - pp. 5-16 [Russian]
    2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 109-110 [Russian]
    3. Рысс И.Г. Химия фтора и его неорганических соединений. - М., 1956. - pp. 126-127 [Russian]
    4. Фиалков Я.А. Межгалоидные соединения. - Киев: Издательство АН Украинской ССР, 1958. - pp. 20-29 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru