Journal
CRYSTAL GROWTH & DESIGN
Volume 16, Issue 4, Pages 1869-1878Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.cgd.5b01291
Keywords
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Funding
- NSF [CHE1355677]
- NSF-EPSCoR [EPS-0554609]
- NSF-MRI grant [CHE-1229035]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1355677] Funding Source: National Science Foundation
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Formation of pi-pi stacked lamellar structure is important for high performance organic semiconductor materials. We previously demonstrated that perfluoroalkylation of aromatics and heteroaromatics was one of the strategies to design organic crystalline materials with pi-pi stacked lamellar structures while improving air stability as a result of the strong electron withdrawing ability of perfluoroalkyl substituents. Square-planar transition metal complexes with large pi-conjugated ligands are also an important category of semiconductor materials. We have perfluoroalkylated square-planar transition metal complexes, leading to the formation of a pi-pi stacked lamellar crystal packing motif in the solid state. Here we report six crystal structures of Pd and Pt complexes with bis-perfluorobutylated catechol ligand as one of the two ligands that bonds to the metal centers. This structural design possesses similar molecular topology when compared to perfluoroalkylated aromatics and heteroaromatics we have reported previously, again, demonstrating the steering power of the perfluoroalkyl substituents in engineering organic and organometallic ( solid state materials.
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