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 1,5-cyclooctadiene.

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

Identifiers
CAS Number	12080-32-9^Y
3D model (JSmol)	Interactive image
ChemSpider	4642949^Y
ECHA InfoCard	100.031.937
EC Number	235-144-5
PubChem CID	5702648
CompTox Dashboard (EPA)	DTXSID00923563
InChI 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-;;;^Y Key: VVAOPCKKNIUEEU-PHFPKPIQSA-L^Y 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
SMILES Cl[Pt]Cl.C\1=C\CC/C=C\CC/1
Properties
Chemical formula	C8H12Cl2Pt
Molar mass	374.17 g·mol^−1
Melting point	285 °C (545 °F; 558 K)
Hazards
GHS pictograms
GHS Signal word	Warning
GHS hazard statements	H315, H319, H335
GHS precautionary statements	P261, P264, P271, P280, P302+352, P304+340, P305+351+338, P312, P321, P332+313, P337+313, P362, P403+233, 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

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

See also

• Dichloro(1,5‐cyclooctadiene)palladium

References

1. E. Costa; P. G. Pringle; M. Ravetz (1997). [(1,2,5,6-η)-1,5-Cyclooctadiene]Dimethyl-Platinum(II). Inorg. Synth. Inorganic Syntheses. 31. pp. 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.CS1 maint: uses authors parameter (link)
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.