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Pentagonal pyramidal molecular geometry
Examples	XeOF 5
Point group	C5v
Coordination number	6
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.

Examples

• XeOF
  ₅
• IOF
  ₅

References

1. Baran, Enrique J. (2008). "Mean amplitudes of vibration of molecules and ions with interhalogen bonds and related species". Journal of Fluorine Chemistry. 129 (11): 1060–1072. Bibcode:2008JFluC.129.1060B. doi:10.1016/j.jfluchem.2008.06.016.
2. ^ Baran, E. (2000). "Mean amplitudes of vibration of the pentagonal pyramidal XeOF
   ₅ and IOF
   ₅ anions". J. Fluorine Chem. 101: 61–63. doi:10.1016/S0022-1139(99)00194-3.
3. Housecroft, Catherine E.; Sharpe, Alan G. (2005). Inorganic Chemistry (2nd ed.). Pearson Prentice-Hall. p. 485. ISBN 0130-39913-2.

Pentagonal pyramid, Wolfram MathWorld

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