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Properties of substance:

carbon diselenide

Group of substances:

inorganic

Physical appearance:

liquid

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

CSe2

Structural formula as text:

CSe2

Molar/atomic mass: 169.93

Melting point (°C):

-45.5

Boiling point (°C):

124

Solubility (g/100 g of solvent):

carbon disulphide: soluble [Ref.]
carbon tetrachloride: very soluble [Ref.]
toluene: soluble [Ref.]
water: insoluble [Ref.]

Density:

2.6824 (20°C, g/cm3)
2.66 (25°C, g/cm3)

Index of refraction:

1.8454 (20°C)

Vapour pressure (Torr):

0.75 (-24°C)
7.5 (9.4°C)
75 (56.2°C)

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

    219.2 (l)

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

    257.3 (g)

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

    263.2 (g)

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

    50.2 (g)

    Enthalpy (heat) of fusion ΔfusH (kJ/mol)

    6,36 (s) [Ref.]

    References:

    1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-92, 4-56
    2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 204-205 [Russian]
    3. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 518 [Russian]
    4. Реми Г. Курс неорганической химии. - Т.1. - М., 1963. - pp. 499 [Russian]
    5. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 356-357 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru