"Effective Pairs"
Lone pairs
Example
angles
| # of "Effective Pairs" | # of Lone pairs | Geometry | Shape | Lewis Structure Example | 3d model | bond angles |
|---|---|---|---|---|---|---|
| 5 | 0 | Trigonal bipyramid | Trigonal bipyramid | 120, 90, 180 | ||
| 5 | 1 | Trigonal bipyramid | See-saw | 120, 90, 180 | ||
| 5 | 2 | Trigonal bipyramid | T-shape | 90, 180 | ||
| 5 | 3 | Trigonal bipyramid | Linear | 180 (lone pairs 120) | ||
| 6 | 0 | Octahedral | Octahedral | 90, 180 | ||
| 6 | 1 | Octahedral | Square pyramid | 90, 180 | ||
| 6 | 2 | Octahedral | Square planar | 90, 180 |
