CFSE For Pentagonal Bipyramidal is the extra energy gained due to the presence of crystal field. And is denoted by CFSEPBP. CFSE For Pentagonal Bipyramidal is usually measured using the Diopter for Wave Number. Note that the value of CFSE For Pentagonal Bipyramidal is always negative. Typically, the value of CFSE For Pentagonal Bipyramidal lies in the range from 0 to 100000.