三甲基碘化鉑

三甲基碘化鉑
別名	碘化三甲基鉑; 三甲基鉑碘化物
識別
CAS號	14364-93-3
PubChem	11824720
ChemSpider	11522740
性質
化學式	C12H36I4Pt4
摩爾質量	1468.37 g·mol−1
外觀	白色固體
熔點	190-195 °C
危險性
	GHS危險性符號;
GHS提示詞	警告
H-術語	H228, H302, H312, H315, H319, H332, H413
P-術語	P210, P240, P241, P261, P264, P270, P271, P273, P280, P301+312, P302+352, P304+312, P304+340, P305+351+338
	若非註明，所有數據均出自標準狀態（25 ℃，100 kPa）下。

三甲基碘化鉑是一種有機鉑化合物（英語：Organoplatinum），化學式為[(CH₃)₃PtI]₄，它是白色固體，在空氣中穩定，是最初製備的有機金屬配合物之一。它可由氯鉑酸鉀和甲基碘化鎂反應製得。^[1]該配合物由四個八面體Pt(IV)中心構成，碘為三橋連配體。^[2]

該配合物可以發生一些Pt-I鍵斷裂的反應，如羥基取代生成[(CH₃)₃PtOH]₄。它的衍生物由(CH₃)₃PtI(bipy)和(CH₃)₃PtI(NH₃)₂等。

應用

三甲基碘化鉑可以合成揮發性的鉑化合物，它們之後可通過化學氣相沉積和原子層沉積製造電子零件的鉑層。^[3]在接近室溫下升華的(CH
3C
5H
4)Pt(CH
3)
3便是這類化合物的例子。^[4]

[Pt(CH
3)
3I]
4 + 4 Na(CH
3C
5H
4) → 4(CH
3C
5H
4)Pt(CH
3)
3 + 4NaI

它也可以合成能夠催化加氫矽烷化反應（英語：hydrosilylation）的有機鉑化合物。^[5]

參考文獻

^ Baldwin, J. C.; Kaska, W. C. Improved Isolation Procedure for the Preparation of Iodo(trimethyl)platinum(IV). Inorg. Chem. 1975, 14: 2020. doi:10.1021/ic50150a063.
^ Ebert, K. H.; Massa, W.; Donath, H.; Lorberth, J.; Seo, B. S.; Herdtweck, E. 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. 1998, 559: 203–207. doi:10.1016/S0022-328X(98)00414-8.
^ Xue, Ziling; Strouse, M. Jane; Shuh, David K.; Knobler, Carolyn B.; Kaesz, Herbert D.; Hicks, Robert F.; Williams, R. Stanley. Characterization of (methylcyclopentadienyl)trimethylplatinum and low-temperature organometallic chemical vapor deposition of platinum metal. Journal of the American Chemical Society. 1989, 111 (24): 8779–8784. ISSN 0002-7863. doi:10.1021/ja00206a002 （英語）.
^ Hiratani, Masahiko; Nabatame, Toshihide; Matsui, Yuichi; Imagawa, Kazushige; Kimura, Shinichiro. Platinum Film Growth by Chemical Vapor Deposition Based on Autocatalytic Oxidative Decomposition. Journal of the Electrochemical Society. 2001, 148 (8): C524. Bibcode:2001JElS..148C.524H. doi:10.1149/1.1381389 （英語）.
^ Pratt, Sandra L.; Faltynek, Roberta A. Studies on the thermal activation of iodotrimethylplatinum(IV) tetramer: hydrosilation catalyst generation from an inert precursor. Journal of Molecular Catalysis. 1984, 24 (1): 47–58. doi:10.1016/0304-5102(84)85038-5 （英語）.

[1] Baldwin, J. C.; Kaska, W. C. Improved Isolation Procedure for the Preparation of Iodo(trimethyl)platinum(IV). Inorg. Chem. 1975, 14: 2020. doi:10.1021/ic50150a063.

[2] Ebert, K. H.; Massa, W.; Donath, H.; Lorberth, J.; Seo, B. S.; Herdtweck, E. 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. 1998, 559: 203–207. doi:10.1016/S0022-328X(98)00414-8.

[:12-3] Xue, Ziling; Strouse, M. Jane; Shuh, David K.; Knobler, Carolyn B.; Kaesz, Herbert D.; Hicks, Robert F.; Williams, R. Stanley. Characterization of (methylcyclopentadienyl)trimethylplatinum and low-temperature organometallic chemical vapor deposition of platinum metal. Journal of the American Chemical Society. 1989, 111 (24): 8779–8784. ISSN 0002-7863. doi:10.1021/ja00206a002 （英語）.

[4] Hiratani, Masahiko; Nabatame, Toshihide; Matsui, Yuichi; Imagawa, Kazushige; Kimura, Shinichiro. Platinum Film Growth by Chemical Vapor Deposition Based on Autocatalytic Oxidative Decomposition. Journal of the Electrochemical Society. 2001, 148 (8): C524. Bibcode:2001JElS..148C.524H. doi:10.1149/1.1381389 （英語）.

[:42-5] Pratt, Sandra L.; Faltynek, Roberta A. Studies on the thermal activation of iodotrimethylplatinum(IV) tetramer: hydrosilation catalyst generation from an inert precursor. Journal of Molecular Catalysis. 1984, 24 (1): 47–58. doi:10.1016/0304-5102(84)85038-5 （英語）.

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