Weak Csp3-H ••• F-C interaction overshadows the strong CC-H ••• O=C hydrogen bond:: Structure of pentafluorophenyl prop-2-ynyl carbonate

Weak C-sp(3)-H center dot center dot center dot F-C interaction overshadows the strong C=C-H center dot center dot center dot O=C in the structure of pentafluorophenyl prop-2-ynyl carbonate as seen by singe crystal X-ray studies at 90 and 290 K.