Titanium(III) phosphide

From Wikipedia, the free encyclopedia

Titanium(III) phosphide
Other names titanium monophosphide
Identifiers
CAS number [12037-65-9]
Properties
Molecular formula TiP
Molar mass 78.841 g/mol
Appearance gray crystals
Density 4.08 g/cm³, solid [1]
Melting point

>1400°C [1]
Structure
Crystal structure hexagonal
Hazards
EU classification not listed
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references

Titanium(III) phosphide (TiP) is an inorganic chemical compound of titanium and phosphorus. Normally encountered as a grey powder [1] , it is high melting and a metallic conductor. [2]. It is not attacked by common acids or water.[1] Its physical properties contrast to the group 1 and group 2 phosphides that contain the P3− anion , (e.g. Na3P), which are not metallic and are readily hydrolysed.[2] Titanium phosphide is classified as a "metal rich phosphide", and in these 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 e.g. Ti3P [3], Ti2P [4] Ti7P4 [5], Ti5P3 [6] Ti4P3 [7] Note that titanium phosphide should not be confused with titanium phosphate(see e.g.[8]) or titanium isopropoxide (see e.g. [9]) which are both confusingly sometimes known by the acronym TIP

[edit] References

  1. ^ a b c d e D.L. Perry S.L. Phillips (1995) Handbook of inorganic compounds CRC Press ISBN 0849386713
  2. ^ a b c 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. ^ Structure of Ti2P solved by three-dimensional electron diffraction data collected with the precession technique and high-resolution electron microscopy M. Gemmi, X. D. Zou, S. Hovmöller, A. Migliori, M. Vennström and Y. Andersson Acta Cryst. (2003). A59, 117-126 doi:10.1107/S0108767302022559
  5. ^ New Phases in the Ti-P and Ti-Cu-P Systems, Carrillo C W., Lundström T Acta Chem.Scand., Series A: (1979), 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
  8. ^ Lamellar inorganic ion exchangers. H+/Cs+ ion exchange in γ-titanium phosphate E.González, R. Llavona, J. R. Garcia and J. Rodríguez J. Chem. Soc., Dalton Trans., (1989), 1825 - 1829, doi:10.1039/DT9890001825
  9. ^ Synthesis of TiC-C fiber from titanium isopropoxide treated phenolic resin fiber M Narisawa, S Kida, T Simoo, K Okamura1 and Y Kurachi Journal of Sol-Gel Science and Technology 4, 1 (1995) 31-35 doi:10.1007/BF00486700
 This inorganic compound-related article is a stub. You can help Wikipedia by expanding it.
Languages