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Properties of substance:

xenon trioxide



skc-file

Physical appearance:

colorless rhombic crystals

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

O3Xe

Structural formula as text:

XeO3

Molar/atomic mass: 179.3

Destruction point (°C):

40

Interatomic distances and bond angles:

Interatomic distances (in pm): 174 (Xe-O(1)) [crystals]
Interatomic distances (in pm): 176 (Xe-O(2)) [crystals]
Interatomic distances (in pm): 177 (Xe-O(3)) [crystals]

    Electrode potential:

    XeO3 + 6H+ + 6e- → Xe + 3H2O, E = 1.8 V (water, 25°C)

    Dissociation:

    pKa (1) = 10.5 (25°C, water)

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

    401.6 (g)

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

    289 (g)

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

    62.3 (g)

    References:

    1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-98
    2. Progress in inorganic chemistry. - Vol. 29. - John Wiley & Sons, 1982. - pp. 198-199
    3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 75
    4. Разумовский С.Д. Кислород - элементарные формы и свойства. - М.: Химия, 1979. - pp. 148
    5. Успехи химии. - 1965. - Т.34, №6. - pp. 990-992
    6. Успехи химии. - 1974. - Т.43, №12. - pp. 2169-2170
    7. Химическая энциклопедия. - Т.2. - М.: Советская энциклопедия, 1990. - pp. 548
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru