Trimethylplatinum iodide

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Trimethylplatinum iodide
FUBREA.png
Names
Other names
Iodotrimethylplatinum(IV)
Identifiers
ChemSpider
Properties
C12H36I4Pt4
Molar mass 1468.374 g·mol−1
Appearance white solid
Melting point 190-195 °C
Hazards
GHS labelling:
GHS02: FlammableGHS07: Exclamation mark
Warning
H228, H302, H312, H315, H319, H332, H413
P210, P240, P241, P261, P264, P270, P271, P273, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P370+P378, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Trimethylplatinum iodide is the organoplatinum complex with the formula [(CH3)3PtI]4. It is a white, air-stable solid that was one of the first organometallic complexes reported. It arises from the reaction of potassium hexachloroplatinate with methylmagnesium iodide.[1] The complex exists as a tetramer: a cubane-type cluster with four octahedral Pt(IV) centers linked by four iodides as triply bridging ligands.[2]

The complex undergoes diverse reactions involving cleaving Pt-I bridges. Derived complexes include (CH3)3PtI(bipy) and (CH3)3PtI(NH3)2. Replacement of the iodide with hydroxide gives [(CH3)3PtOH]4.

References

  1. ^ Baldwin, J. C.; Kaska, W. C. (1975). "Improved Isolation Procedure for the Preparation of Iodo(trimethyl)platinum(IV)". Inorg. Chem. 14 (8): 2020. doi:10.1021/ic50150a063.{{cite journal}}: CS1 maint: uses authors parameter (link)
  2. ^ Ebert, K. H.; Massa, W.; Donath, H.; Lorberth, J.; Seo, B. S.; Herdtweck, E. (1998). "Organoplatinum Compounds: VI. Trimethylplatinum Thiomethylate and Trimethylplatinum Iodide. The Crystal Structures of [(CH3)3PtS(CH3)]4 and [(CH3)3PtI]4·0.5CH3I". J. Organomet. Chem. 559 (1–2): 203–207. doi:10.1016/S0022-328X(98)00414-8.{{cite journal}}: CS1 maint: uses authors parameter (link)
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