Caesium phosphide

Caesium phosphide
Identifiers
3D model (JSmol)
  • Cs3P7: [Cs+].[Cs+].[Cs+].[P-]1P2P3[P-]P1[P-]P23
Properties
Cs3P7
Molar mass 615.53268987 g·mol−1
Appearance yellow crystals
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Caesium phosphide refers to any of several inorganic compounds with the formula CsPx. The most studied member is Cs3P7,[1] which forms yellow crystals of tetragonal structure (P41 group),[2] which turn brown when heated to 300 °C, and colorless when cooled with liquid nitrogen.

Structure of the P73- subunit as found in Cs3P7.

Other cesium phosphides

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CsP15 is also claimed.[3] Cs4P6 is a layered compound consisting of planar P64- rings.[4]

References

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  1. ^ Meyer, Teodoro; Hönle, Wolfgang; von Schnering, Hans Georg (1987). "Zur Chemie und Strukturchemie von Phosphiden und Polyphosphiden. 44. Tricäsiumheptaphosphid Cs3P7: Darstellung, Struktur und Eigenschaften". Zeitschrift für Anorganische und Allgemeine Chemie. 552 (9): 69–80. doi:10.1002/zaac.19875520907.
  2. ^ Tilley, Richard J. D. (14 August 2006). Crystals and Crystal Structures. John Wiley & Sons. p. 101. ISBN 978-0-470-02953-4. Retrieved 3 March 2024.
  3. ^ Santandrea, Robert P.; Mensing, Christian; von Schnering, Hans Georg (1987). "Chemistry and structural chemistry of phosphides and polyphosphides. 45. The thermal decomposition and thermodynamic properties of the alkali metal pho". Thermochimica Acta. 117: 261–270. doi:10.1016/0040-6031(87)88120-0.
  4. ^ von Schnering, H. G.; Hönle, W.; Bauhofer, W.; Kliche, G.; Meyer, T.; Schmettow, W.; Hinze, U. (1987). "Zur Chemie und Strukturchemie von Phosphiden und Polyphosphiden. 46. Tetrarubidiumhexaphosphid und Tetracäsiumhexaphosphid: Darstellung, Struktur und Eigenschaften von Rb4P6 und Cs4P6". Zeitschrift für Anorganische und Allgemeine Chemie. 553 (10): 261–279. doi:10.1002/zaac.19875531031.