AP Chemistry - Molecular Geometry

ED = electron domains; BD = bonding domains; A-E = Axial-Equatorial; E-E = Equatorial-Equatorial

Linear (180*)

Linear (180*)

• ED: 2

• BD: 2

“Linear”

• ED: 2

• BD: 1

Trigonal Planar (120*)

• ED: 3

• BD: 3

Bent (<120* → ~117*)

• ED: 3

• BD: 2

“Linear”

• ED: 3

• BD: 1

Tetrahedral (109.5*)

• ED: 4

• BD: 4

Trigonal Pyramidal (<109.5* → ~107.5*)

• ED: 4

• BD: 3

Bent (<109.5* → ~105*)

• ED: 4

• BD: 2

Trigonal Bipyramidal (A-E = 90*; E-E = 120*)

• ED: 5

• BD: 5

Bispinodal/”Seesaw” (A-E = <90* → ~88*; E-E = <120* → ~118*)

• ED: 5

• BD: 4

T-Shape (<90* → ~85*)

• ED: 5

• BD: 3

Linear (180*)

• ED: 5

• BD: 2

Octahedral (90*)

• ED: 6

• BD: 6

Square Pyramidal (<90* → ~87*)

• ED: 6

• BD: 5

Square Planar (90*)

• ED: 6

• BD: 4