Pinning-down molecules in their self-assemblies with multiple weak hydrogen bonds of CH⋯F and CH⋯N
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DOI: 10.1016/j.cclet.2016.11.007
Abstract: Abstract Two-dimensional self-assemblies of four partially fluorinated molecules, 1,4-bis(2,6-difluoropyridin-4-yl)benzene, 4,4′-bis(2,6-difluoropyridin-4-yl)-1,1′-biphenyl, 4,4′-bis(2,6-difluoropyridin-4-yl)-1,1′:4′,1″-terphenyl and 4,4′-bis(2,6-difluoropyridin-3-yl)-1,1′-biphenyl, involving weak intermolecular C H⋯F and C H⋯N hydrogen bonds were systematically investigated on Au(111) with low-temperature scanning tunneling microscopy. The inter-molecular… read more here.
Keywords: hydrogen; hydrogen bonds; multiple weak; bis difluoropyridin ... See more keywords