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Properties of substance:

xenon

Group of substances:

inorganic

Physical appearance:

colorless gas

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

Xe

Structural formula as text:

Xe

Molar/atomic mass: 131.3

Melting point (°C):

-111.85

Boiling point (°C):

-108.12

Solubility (g/100 g of solvent):

benzene: 1.89 (25°C) [Ref.]
bismuth fused: 0.0000000041 (491°C) [Ref.]
cyclohexane: 3.05 (26°C) [Ref.]
dodecane: 2.42 (25°C) [Ref.]
ethanol: soluble [Ref.]
hexane: 3.97 (25.3°C) [Ref.]
mercury: 0.00000000094 (22°C) [Ref.]
sodium fused: 0.000034 (147°C) [Ref.]
water: 0.141 (0°C) [Ref.]
water: 0.07 (25°C) [Ref.]
water: 0.049 (50°C) [Ref.]
water: 0.042 (80°C) [Ref.]

Numerical data:

Year of discovery: 1898
Ionization Potentials (Electronvolts): 12.13

Density:

3.52 (-109°C, g/cm3)
0.00585 (20°C, g/cm3)

Reactions:

  1. Yeild 90%. [Ref.1]
    Xe + 2F2 → XeF4
  2. [Ref.1]
    Xe + F2 → XeF2
  3. [Ref.1]
    Xe + 3F2 =XeF6
  4. [Ref.1]
    BrF6[AsF6] + Xe → XeF[AsF6] + BrF5
  5. [Ref.1]
    N2F[AsF6] + Xe → XeF[AsF6] + N2
  6. [Ref.1]
    2CF3OF + Xe → XeF2 + CF3OOCF3

Half-life:

10954Xe = 13 ms (α (about 100%))
11054Xe = 93 ms (α (64%))
11154Xe = 740 ms (α (10.4%))
11254Xe = 2.7 s (β+ (about 100%), α (1.2%))
11354Xe = 2.74 s (β+ (about 100%), α (0.011%), β+p (7%), β+α (about 0.007%))
11454Xe = 10.0 s (β+ (100%))
11554Xe = 18 s (β+ (about 100%), β+p (0.34%), α (0.0003%))
11654Xe = 59 s (β+ (100%))
11754Xe = 61 s (β+ (100%), β+p (0.0029%))
11854Xe = 3.8 min (β+ (100%))
11954Xe = 5.9 min (β+ (79%), electron capture (21%))
12054Xe = 46.0 min (β+ (100%))
12154Xe = 40.1 min (β+ (100%))
12254Xe = 20.1 h (electron capture (100%))
12354Xe = 2.08 h (β+ (100%))
123m54Xe = 5.49 μs (internal transition (100%))
12454Xe = stable ( (isotopic abundance 0,0952%))
12554Xe = 16.9 h (β+ (100%))
125m54Xe = 56.9 s (internal transition (100%))
125n54Xe = 140 ns (internal transition (100%))
12654Xe = stable ( (isotopic abundance 0,089%))
12754Xe = 36.346 d (electron capture (100%))
127m54Xe = 69.2 s (internal transition (100%))
12854Xe = stable ( (isotopic abundance 1,9102%))
128m54Xe = 83 ns (internal transition (100%))
12954Xe = stable ( (isotopic abundance 26,4006%))
129m54Xe = 8.88 d (internal transition (100%))
13054Xe = stable ( (isotopic abundance 4,071%))
13154Xe = stable ( (isotopic abundance 21,2324%))
131m54Xe = 11.84 d (internal transition (100%))
13254Xe = stable ( (isotopic abundance 26,9086%))
132m54Xe = 8.39 ms (internal transition (100%))
13354Xe = 5.2475 d (β- (100%))
133m54Xe = 2.198 d (internal transition (100%))
13454Xe = stable ( (isotopic abundance 10,4357%))
134m54Xe = 290 ms (internal transition (100%))
134n54Xe = 5 μs (internal transition (100%))
13554Xe = 9.14 h (β- (100%))
135m54Xe = 15.29 min (internal transition (about 100%), β- (0.30%))
13654Xe = 2.19 · 1021 y (2β- (100%) (isotopic abundance 8,8573%))
136m54Xe = 2.95 μs (internal transition (100%))
13754Xe = 3.818 min (β- (100%))
13854Xe = 14.14 min (β- (100%))
13954Xe = 39.68 s (β- (100%))
14054Xe = 13.60 s (β- (100%))
14154Xe = 1.73 s (β- (100%), β-n (0.044%))
14254Xe = 1.23 s (β- (100%), β-n (0.21%))
14354Xe = 511 ms (β- (100%), β-n (1.00%))
14454Xe = 388 ms (β- (100%), β-n (3.0%))
14554Xe = 188 ms (β- (100%), β-n (5.0%))
14654Xe = 146 ms (β- (100%), β-n (6.9%))
14754Xe = 130 ms (β- (100%), β-n (4.0%))

Vapour pressure (Torr):

1 (-168°C)
10 (-152.9°C)
100 (-132.9°C)

Permittivity (dielectric constant):

1.00124 (25°C)

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

0 (g)

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

0 (g)

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

169.57 (g)

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

20.79 (g)

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

2.3

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

12.64

Gas phase basicity ΔbaseG (298 K, kJ/mol)

-478.1 (g) [Ref.]

References:

  1. Dean J.A. Lange's handbook of chemistry. - 1999. - pp. 3.58
  2. Holleman A.F., Wiberg E., Wiberg N. Lehrbuch der Anorganischen Chemie. - Berlin: Walter de Gruyter, 1995. - pp. 422
  3. Stein L. Spontaneous reactions of xenon, fluorine and antimony pentafluoride / Journal of Fluorine Chemistry. - 1982. - Vol. 20, No. 1. - pp. 65-74 [DOI: 10.1016/S0022-1139(00)84017-8]
  4. Clever L.H. The Solubility of Xenon in Some Hydrocarbons / Journal of Physical Chemistry. - 1958. - Vol. 62, No. 3. - pp. 375–376
  5. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1569
  6. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.3. - Л.: Химия, 1976. - pp. 9 [Russian]
  7. Гурвич Я.А. Справочник молодого аппаратчика-химика. - М.: Химия, 1991. - pp. 51 [Russian]
  8. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 46 [Russian]
  9. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 25, 75 [Russian]
  10. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 586-587 [Russian]
  11. Успехи химии. - 1963. - Т.32, №4. - pp. 501-507 [Russian]
  12. Успехи химии. - 1974. - Т.43, №12. - pp. 2186 [Russian]
  13. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 548-549 [Russian]
  14. Энциклопедия для детей. - Т.17: Химия. - М.: Аванта+, 2004. - pp. 248-249 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru