In chemistry, a pentagonal bipyramid is a molecular geometry with one atom at the centre with seven ligands at the corners of a pentagonal bipyramid. A perfect pentagonal bipyramid belongs to the molecular point group D5h.
Examples
• Iodine heptafluoride (IF7) with 7 bonding groups • Rhenium heptafluoride (ReF7) • Peroxo chromium (IV) complexes, such as [Cr(O2)2(NH3)3], where the peroxo groups occupy four of the planar positions. • and ==References==