The solvent used for crystallization determines which of the two structural isomers of [Pt3(μ‐PPh2)3Ph(PPh3)2] 1 is formed. The isomer 1a is obtained in crystalline form from toulene/pentane, the isomer 1b · 2CH2Cl2 from CH2Cl2/pentane. The two isomers differ in their PtPt distances and PtPPh2Pt angles.
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