Physics:Pentagonal pyramidal molecular geometry

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Pentagonal pyramidal molecular geometry
Point groupC5v
Coordination number6
Bond angle(s)90°, 72°
μ (Polarity)>0

In chemistry, pentagonal pyramidal molecular geometry describes the shape of compounds where in six atoms or groups of atoms or ligands are arranged around a central atom, at the vertices of a pentagonal pyramid. It is one of the few molecular geometries with uneven bond angles.




  1. 1.0 1.1 Baran, E. (2000). "Mean amplitudes of vibration of the pentagonal pyramidal XeOF5 and IOF2−5 anions". J. Fluorine Chem. 101: 61–63. doi:10.1016/S0022-1139(99)00194-3. 
  2. Housecroft, Catherine E.; Sharpe, Alan G. (2005). Inorganic Chemistry (2nd ed.). Pearson Prentice-Hall. p. 485. ISBN 0130-39913-2. 

Pentagonal pyramid, Wolfram MathWorld