Uranium hexachloride

Uranium hexachloride
Names
IUPAC name
Uranium(VI) chloride
Other names
Uranium hexachloride
Peruranic chloride
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/6ClH.U/h6*1H;/p-6
    Key: XFCORTPUZRSUIZ-UHFFFAOYSA-H
  • [Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[U]
Properties
UCl6
Molar mass 450.745 g/mol
Appearance dark green crystalline solid
Density 3.6 g/cm3
Melting point 177 °C (351 °F; 450 K)
Related compounds
Other anions
Uranium hexafluoride
Other cations
Tungsten hexachloride
Related uranium chlorides
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Uranium hexachloride (UCl6) is an inorganic chemical compound of uranium in the +6 oxidation state.[1][2] UCl6 is a metal halide composed of uranium and chlorine. It is a multi-luminescent dark green crystalline solid with a vapor pressure between 1-3 mmHg at 373.15 K.[3] UCl6 is stable in a vacuum, dry air, nitrogen and helium at room temperature. It is soluble in carbon tetrachloride (CCl4). Compared to the other uranium halides, little is known about UCl6.

  1. ^ Zachariasen, W. H. (1948). "Crystal chemical studies of the 5f-series of elements. V. The crystal structure of uranium hexachloride". Acta Crystallographica. 1 (6): 285–287. Bibcode:1948AcCry...1..285Z. doi:10.1107/S0365110X48000788.
  2. ^ Taylor, J. C.; Wilson, P. W. (1974). "Neutron and X-ray powder diffraction studies of the structure of uranium hexachloride". Acta Crystallographica Section B. 30 (6): 1481. Bibcode:1974AcCrB..30.1481T. doi:10.1107/S0567740874005115.
  3. ^ Van Dyke, R. E.; Evers, E. C. (1955). "Preparation of Uranium Hexachloride". Google Patents: 2.

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