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Properties of substance:

protactinium(V) chloride

Group of substances:

inorganic

Physical appearance:

colorless needles crystals

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

Cl5Pa

Structural formula as text:

PaCl5

Molar/atomic mass: 408.31

Melting point (°C):

306

Boiling point (°C):

420

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

    -1145 (s)

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

    -1034 (s)

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

    238 (s)

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-10
    2. Браун Д. Галогениды лантаноидов и актиноидов. - М.: Атомиздат, 1972. - pp. 125-130 [Russian]
    3. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 103 [Russian]
    4. Пальшин Е.С., Мясоедов Б.Ф., Давыдов А.В. Аналитическая химия протактиния. - М.: Наука, 1968. - pp. 22-23 [Russian]
    5. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 178-179 [Russian]
    6. Химическая энциклопедия. - Т. 4. - М.: Советская энциклопедия, 1995. - pp. 111 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru