Abstract
A chloroplatinum complex was arylated to obtain stimuli-responsive molecular crystals. The resulting arylplatinum complex showed polymorph-dependent emission, mechano- and thermochromic luminescence as well as comproportionation and π-bridged dimerization. Simple mixing of structurally similar arylplatinum complexes at room temperature resulted in transfer of their aryl groups (comproportionation), which allowed tuning their mechanochromic profiles. We also found that recrystallization of the complex afforded a dimerized product in which two platinum ions are bridged via aryl groups resulting in a very short Pt-Pt distance (3.0466(10) Å).
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