Pentagonal pyramidal molecular geometry

Molecular geometry
Pentagonal pyramidal molecular geometry
ExamplesXeOF−
5
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]

AX6E1

Examples

  • XeOF−
    5    [2]
  • IOF2−
    5    [2][3]

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. ^ a b Baran, E. (2000). "Mean amplitudes of vibration of the pentagonal pyramidal XeOF−
    5     and IOF2−
    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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Molecular geometry
  • VSEPR theory
  • Coordination number
Coordination number 2
  • Linear
  • Bent
Coordination number 3Coordination number 4
Coordination number 5Coordination number 6
Coordination number 7Coordination number 8Coordination number 9
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