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

Synthesis

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

Properties

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

References

1. ^ "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. ^ 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. ^ 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.

• Thorium compounds
• Phosphorus compounds
• Phosphides
• Orthorhombic crystals