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Properties of substance:

cyanogen iodide

Group of substances:

inorganic

Physical appearance:

crystals

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

CIN

Structural formula as text:

ICN

Molar/atomic mass: 152.922

Melting point (°C):

146

Solubility (g/100 g of solvent):

water: 3.86 (20°C) [Ref.]

Numerical data:

Year of discovery: 1824

Reactions of synthesis:

  1. Yeild 80%. [Ref.1aster]
    KCN + I2 → ICN + KI

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

166.2 (s)

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

185 (s)

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

96.2 (s)

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

225.5 (g)

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

196.6 (g)

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

256.8 (g)

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

48.3 (g)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-20
  2. Dictionary of organic compounds. - vol.1, Abietic acid - Dypnone. - London, 1946. - pp. 589
  3. Лидин Р.А., Андреева Л.Л., Молочко В.А. Константы неорганических веществ. - М.: Дрофа, 2006. - pp. 88 [Russian]
  4. Лос К. Синтетические яды. - М.: ИИЛ, 1963. - pp. 57-58 [Russian]
  5. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 523 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 48 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru