期刊
CHEMICAL COMMUNICATIONS
卷 56, 期 70, 页码 10175-10178出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cc03436c
关键词
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资金
- STAR Fellowship Assistance Agreement - U.S. Environmental Protection Agency (EPA) [FP-91765901]
- National Science Foundation [CHE-1152853]
- U.S. Department of Energy [DE-AC05-76RL01830]
- NSF-MRI grant [CHE-0215950]
Red crystals of [Pt(tpy)Cl]NO3 center dot HNO(3)show mechanochromic behaviour turning yellow when pressure is applied. The electronic character and spectroscopic signature of the red and yellow polymorphs change as a result of slipping of the molecular stacking planes in the solid state. The slippage alters the PtMIDLINE HORIZONTAL ELLIPSISPt intermolecular distances from a linear stacked motif with <3.5 angstrom separations in the red polymorph to a less stacked motif of alternating short intradimer and long interdimer interactions in the yellow polymorph.
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