Pentagonal Pyramidal Molecular Geometry

Pentagonal pyramidal molecular geometry
Examples	XeOF−5
Point group	C5v
Coordination number	6
Bond angle(s)	90°, 72°
μ (Polarity)	>0

Short description: Molecular geometry

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]

Examples

XeOF−5^[2]
IOF2−5^[2]^[3]

References

↑ 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. doi:10.1016/j.jfluchem.2008.06.016. Bibcode: 2008JFluC.129.1060B.
↑ ^2.0 ^2.1 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.XeOF−5+and+IOF2−5+anions&rft.jtitle=J.+Fluorine+Chem.&rft.aulast=Baran&rft.aufirst=E.&rft.au=Baran, E.&rft.date=2000&rft.volume=101&rft.pages=61–63&rft_id=info:doi/10.1016/S0022-1139(99)00194-3&rfr_id=info:sid/en.wikibooks.org:Physics:Pentagonal_pyramidal_molecular_geometry">
↑ 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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[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. doi:10.1016/j.jfluchem.2008.06.016. Bibcode: 2008JFluC.129.1060B.

[Baran-2] 2.0 ^2.1 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.XeOF−5+and+IOF2−5+anions&rft.jtitle=J.+Fluorine+Chem.&rft.aulast=Baran&rft.aufirst=E.&rft.au=Baran, E.&rft.date=2000&rft.volume=101&rft.pages=61–63&rft_id=info:doi/10.1016/S0022-1139(99)00194-3&rfr_id=info:sid/en.wikibooks.org:Physics:Pentagonal_pyramidal_molecular_geometry">

[3] Housecroft, Catherine E.; Sharpe, Alan G. (2005). Inorganic Chemistry (2nd ed.). Pearson Prentice-Hall. p. 485. ISBN 0130-39913-2.

[1]

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v t e Molecular geometry (VSEPR)
Coordination number 2	Linear Bent
Coordination number 3	Trigonal planar Trigonal pyramidal T-shaped
Coordination number 4	Tetrahedral Square planar Seesaw
Coordination number 5	Trigonal bipyramidal Square pyramidal Pentagonal planar
Coordination number 6	Octahedral Trigonal prismatic Pentagonal pyramidal
Coordination number 7	Pentagonal bipyramidal Capped octahedral Capped trigonal prismatic
Coordination number 8	Square antiprismatic Dodecahedral Bicapped trigonal prismatic
Coordination number 9	Tricapped trigonal prismatic Capped square antiprismatic