A Proton Magnetic Resonance Study of Boron Trihalide Complexes With Diethyl Ether
CALIFORNIA STATE UNIV LOS ANGELES LOS ANGELES United States
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At low temperatures, separate proton resonance signals are observed for bulk ether and ether molecules complexed with the boron halide. The methyl signal separations for the BF3, BCl3 and BBr3 complexes show a trend which is opposite to what one would predict on the basis of electronegativities of the halogen atoms.