VSEPR shapes Flashcards
1
Q
Electron pair geometry
A
determines molecular shape (takes into account all electron pairs, whether bonding or non-bonding)
2
Q
Molecular shape
A
distribution in space of the atoms
3
Q
AX(2)
A
Linear (180degrees)
4
Q
AX(3)
A
Trigonal Planar (120 degrees)
5
Q
AX(2)E
A
Trigonal Planar
-Bent (<120, non idea)
6
Q
AX(4)
A
Tetrahedral (109.5 if all terminal atoms are same element)
7
Q
AX(3)E
A
Tetrahedral Trigonal Pyramidal (<109.5, non ideal)
8
Q
AX(2)E(2)
A
Tetrahedral
Bent (<109.5)
9
Q
AX(5)
A
Trigonal bipyramidal
120, 90
10
Q
AX(4)E
A
Trigonal Bipyramidal
- Seesaw
- non ideal
11
Q
AX(3)E(2)
A
Trigonal bipyramidal
- Tshape
- non ideal
12
Q
AX(2)E(3)
A
Trigonal bipyramidal
-linear
180 degrees
13
Q
AX(6)
A
Octahedral
-90 degrees, 180 degrees
14
Q
AX(5)E
A
Octahedral
- square pyramidal
- <90 degrees, non ideal
15
Q
AX(4)E(2)
A
Octahedral
- square planar
- 90, 180, ideal
