VSEPR Theory

given AXE notation, state the electron arrangement, molecular shape, and bond angle,

AX₂

linear, linear, 180

AX₃

trigonal planar, trigonal planar, 120

AX₂E

trigonal planar, bent, <120

AX₄

tetrahedral, tetrahedral, 109.5

AX₃E

tetrahedral, trigonal pyramidal, <109.5

AX₂E₂

tetrahedral, bent, <109.5

AX₅

trigonal bipyramidal, trigonal bipyramidal, 90/120

AX₄E

trigonal bipyramidal, seesaw, <90/<120

AX₃E₂

trigonal bipyramidal, t-shaped, <90

AX₂E₃

trigonal bipyramidal, linear, 180

AX₆

octahedral, octahedral, 90

AX₅E

octahedral, square pyramidal, <90

AX₄E₂

octahedral, square planar, 90