Thorium heptaphosphide

Last updated
Thorium heptaphosphide
Identifiers
3D model (JSmol)
  • InChI=1S/7P.Th/q;;;4*-1;+4
    Key: LNJLDCGWEAURNN-UHFFFAOYSA-N
  • [Th+4].[P-].[P-].[P-].[P-].[P].[P].[P]
Properties
P7Th
Molar mass 448.8540 g·mol−1
Appearanceblack rod-shaped crystals
Density 4.93 g/cm3 [1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Thorium heptaphosphide is a binary inorganic compound of thorium metal and phosphorus with the chemical formula ThP7. [2] This is the most phosphorus-rich binary compound of a tetravalent thorium. [3]

Contents

Synthesis

Thorium heptaphosphide can be synthesized from the elements with addition of iodine at 830 K. [3] [4]

Properties

Thorium heptaphosphide forms black rod-shaped crystals of orthorhombic crystal system. [1] [4] It decomposes to Th2P11 at 650 K in vacuo. [3]

References

  1. 1 2 "mp-28410: ThP7 (Orthorhombic, P2_12_12_1, 19)". Materials Project . Retrieved 17 March 2024.
  2. ↑ Jahrbuch ... der Max-Planck-Gesellschaft zur Förderung der Wissenschaften (in German). Max-Planck-Gesellschaft zur Förderung der Wissenschaften. 1984. p. 599. ISBN   978-3-525-85390-0 . Retrieved 17 March 2024.
  3. 1 2 3 Von Schnering, Hans-Georg; Vu, Dong (1 February 1986). "Thorium heptaphosphide ThP7". Journal of the Less Common Metals . 116 (1): 259–270. doi:10.1016/0022-5088(86)90234-1. ISSN   0022-5088 . Retrieved 17 March 2024.
  4. 1 2 Bickel, Michael; Wedemeyer, Horst (17 April 2013). Th Thorium Supplement Volume C 8: Compounds with Si, P, As, Sb, Bi, and Ge. Springer Science & Business Media. p. 101. ISBN   978-3-662-06348-4 . Retrieved 17 March 2024.
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