Titanium(III) phosphide

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Titanium(III) phosphide
Names
Other names
titanium monophosphide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.031.680 OOjs UI icon edit-ltr-progressive.svg
EC Number
  • 234-862-6
PubChem CID
  • InChI=1S/P.Ti
    Key: ADDWXBZCQABCGO-UHFFFAOYSA-N
  • P#[Ti]
Properties
TiP
Molar mass 78.841 g/mol
Appearancegray crystals
Density 4.08 g/cm3, solid [1]
Melting point >1400°C [1]
Structure
hexagonal
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Titanium(III) phosphide (TiP) is an inorganic chemical compound of titanium and phosphorus. Normally encountered as a grey powder, [1] it is a metallic conductor with a high melting point. [2] It is not attacked by common acids or water. [1] Its physical properties stand in contrast to the group 1 and group 2 phosphides that contain the P3− anion (such as Na3P), which are not metallic and are readily hydrolysed. [2] Titanium phosphide is classified as a "metal-rich phosphide", where extra valence electrons from the metal are delocalised. [2]

Titanium phosphide can be prepared by the reaction of TiCl4 and PH3. [1]

There are other titanium phosphide phases, including Ti3P, [3] Ti2P, [4] Ti7P4, [5] Ti5P3, [6] and Ti4P3. [7]

Titanium phosphide should not be confused with titanium phosphate or titanium isopropoxide, both of which are sometimes known by the acronym TIP.

References

  1. 1 2 3 4 5 D.L. Perry S.L. Phillips (1995) Handbook of inorganic compounds CRC Press ISBN   0-8493-8671-3
  2. 1 2 3 H.G. Von Schnering, W. Hönle Phosphides - Solid state chemistry Encyclopedia of Inorganic Chemistry Ed. R. Bruce King (1994) John Wiley & Sons ISBN   0-471-93620-0
  3. ↑ Hydrogen absorption in Ti3P Halter U., Mrowietz M., Weiss A Journal of the less-common metals 1986 118 343-348
  4. ↑ Gemmi, M.; Zou, X. D.; Hovmöller, S.; Migliori, A.; Vennström, M.; Andersson, Y. (2003). "Structure of Ti2P solved by three-dimensional electron diffraction data collected with the precession technique and high-resolution electron microscopy". Acta Crystallogr. A59: 117–126. doi:10.1107/S0108767302022559. PMID   12604849.
  5. ↑ Carrillo, C W.; Lundström, T (1979). "New Phases in the Ti-P and Ti-Cu-P Systems". Acta Chem.Scand., Series A. 33: 401–402.
  6. ↑ Crystal Structure Refinement of Ti5P3 Carrillo C W., Lundström T Acta Chemica Scandinavica, Series A: Physical and Inorganic Chemistry 1980 34 415-419
  7. ↑ Phase Relationships in the Ti-P System with some Notes on the Crystal Structures of TiP2 and ZrP2, Snell P.O, Acta Chem. Scand. 1968 22 1942-1952
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