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Properties of substance:

xenon tetrafluoride

Group of substances:

inorganic

Physical appearance:

colorless monoclinic crystals

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

F4Xe

Structural formula as text:

XeF4

Molar/atomic mass: 207.29

Melting point (°C):

117.1

Boiling point (°C):

146

Solubility (g/100 g of solvent):

carbon disulphide: insoluble [Ref.]
carbon tetrachloride: insoluble [Ref.]
cyclohexane: insoluble [Ref.]
diethyl ether: insoluble [Ref.]
dimethylformamide: insoluble [Ref.]
hydrogen fluoride : 3.7 (20°C) [Ref.]
iodine pentafluoride: soluble [Ref.]
nitrogen(III) fluoride oxide - hydrogen fluoride: soluble [Ref.]
sulfur dioxide: very soluble [Ref.]
water: reaction [Ref.]

Interatomic distances and bond angles:

Interatomic distances (in pm): 195,3 (Xe-F) [crystals]

Density:

4.04 (20°C, g/cm3)

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

    -252 (s)

    Molar enthalpy (heat) of fusion ΔfusH (kJ/mol):

    16.3

    ΔHsublimation (kJ/mol):

    63.6

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

    -206.19 (g)

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

    323.981 (g)

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

    89.956 (g)

    Standard molar enthalpy (heat) of formation ΔfH (298 K, kJ/mol)

    -206,19 (g) [Ref.]
    -267,11 (s) [Ref.]

    Standard molar Gibbs energy of formation ΔfG (298 K, kJ/mol)

    -131,38 (g) [Ref.]
    -145,48 (s) [Ref.]

    Critical temperature (°C):

    339

    Critical pressure (MPa):

    7

    Critical density (g/cm3):

    1.1

    References:

    1. Bell C.F. Syntheses and Physical Studies of Inorganic Compounds. - Pergamon Press, 1972. - pp. 136-146
    2. Holleman A.F., Wiberg E., Wiberg N. Lehrbuch der Anorganischen Chemie. - Berlin: Walter de Gruyter, 1995. - pp. 426-427
    3. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 244 [Russian]
    4. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 75 [Russian]
    5. Успехи химии. - 1965. - Т.34, №6. - pp. 974-982 [Russian]
    6. Успехи химии. - 1966. - Т.35, №12. - pp. 2237 [Russian]
    7. Успехи химии. - 1974. - Т.43, №12. - pp. 2154-2155, 2167 [Russian]
    8. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 549 [Russian]
    9. Энциклопедия для детей. - Т.17: Химия. - М.: Аванта+, 2004. - pp. 250 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru