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Properties of substance:

tungsten(VI) bromide

Group of substances:

inorganic

Physical appearance:

needles crystals

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

Br6W

Structural formula as text:

WBr6

Molar/atomic mass: 663.26

Melting point (°C):

309

Decomposition temperature (°C):

400

Solubility (g/100 g of solvent):

carbon disulphide: soluble [Ref.]
diethyl ether: soluble [Ref.]
ethanol abs.: soluble [Ref.]
water: reaction [Ref.]

Density:

6.9 (20°C, g/cm3)

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

-344.8 (s)

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

314 (s)

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

-244.8 (g)

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

487 (g)

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

151 (g)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-97
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 110-111 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru