Dichloro(cycloocta-1,5-diene)platinum(II)

Dichloro(1,5-cyclooctadiene)platinum(II) (Pt(cod)Cl2) is an organometallic compound of platinum. This colourless solid is an entry point to other platinum compounds through the displacement of the cod and/or chloride ligands. It is one of several complexes of cycloocta-1,5-diene.

Dichloro(cycloocta-1,5-diene)platinum(II)
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.031.937
EC Number
  • 235-144-5
  • InChI=1S/C8H12.2ClH.Pt/c1-2-4-6-8-7-5-3-1;;;/h1-2,7-8H,3-6H2;2*1H;/q;;;+2/p-2/b2-1-,8-7-;;; checkY
    Key: VVAOPCKKNIUEEU-PHFPKPIQSA-L checkY
  • InChI=1/C8H12.2ClH.Pt/c1-2-4-6-8-7-5-3-1;;;/h1-2,7-8H,3-6H2;2*1H;/q;;;+2/p-2/b2-1-,8-7-;;;
    Key: VVAOPCKKNIUEEU-AUZMAREFBX
  • Cl[Pt]Cl.C\1=C\CC/C=C\CC/1
Properties
C8H12Cl2Pt
Molar mass 374.17 g·mol−1
Melting point 285 °C (545 °F; 558 K)
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H315, H319, H335
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Dichloro(1,5-cyclooctadiene)platinum(II) is prepared by treating potassium tetrachloroplatinate with the diene:[1]

K2PtCl4 + C8H12 → PtCl2C8H12 + 2 KCl
Sample of Pt(cod)Cl2.

According to X-ray crystallography, the complex is square planar.[2][3]

See also

References
  1. E. Costa; P. G. Pringle; M. Ravetz (1997). "[(1,2,5,6-η)-1,5-Cyclooctadiene]Dimethyl-Platinum(II)". Inorg. Synth. 31: 284–286. doi:10.1002/9780470132623.ch49. ISBN 978-0-470-13262-3.
  2. Anil B. Goel; Sarla Goel; Don Van Der Veer (1982). "Chemistry of Metal diene complexes: X-ray crystal structure of dichloro(1,5-cyclooctadine)platinum(II)". Inorganica Chimica Acta. 65: L205–L206. doi:10.1016/S0020-1693(00)93548-5.
  3. Ashfaquzzaman Syed; Edwin D. Stevens; Sandra G. Cruz (1984). "Reexamination of the π bonding in dichloro(cycloocta-1,5-diene)platinum". Inorg. Chem. 23 (22): 3673–3674. doi:10.1021/ic00190a053.

Further reading
  • J. L. Butikofer, E. W. Kalberer, W. C. Schuster, and D. M. Roddick, "The Crystal Structure of Dichloro(norbornadiene)platinum(II): A Comparison to Dichloro(cyclooctadiene)platinum(II)," Acta Crystallogr. C. 2004, m353-m354.
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