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VSEPR Shapes

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Updated 2009-03-26 23:27

VSEPR Shapes

These are the shapes that a molecule will take, given a certain orbital configuration. In this table; A is The central atom, X are peripheral atoms, and E are lone pairs of electrons.

 

Question Answer
AX1E*Linear (N/A): HF, O2
AX2E0 Linear: BeCl2, HgCl2, CO2
AX2E1 Bent: NO2-, SO2, O3
AX2E2 Bent: H2O, OF2
AX2E3 Linear: XeF2, I3-
AX3E0 Trigonal planar: BF3, CO32-, NO3-, SO3
AX3E1 Trigonal Pyramidal: NH3, PCl3
AX3E2 T-shaped: ClF3, BrF3
AX4E0 Tetrahedral: CH4, PO43-, SO42-, ClO4-
AX4E1 Seesaw: SF4
AX4E2 Square Planar: XeF4
AX5E0 Trigonal Bipyramidal: PCl5
AX5E1 Square Pyramidal: ClF5, BrF5
AX6E0 Octahedral: SF6
AX6E1 Pentagonal pyramidal: XeF6
AX7E0 Pentagonal bipyramidal
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