resonance (cont d) .
allys anion
resonance hybrids
delocalization and resonance stability
>
averaging
-- - -
................. S
-
0 . 3 -
0 5
.
each bond has bond order of 1 5 .
We average charge bond order what about hybridization ?
,
SP3 tetrahedral SP2 trigonal planar
= T -
H
H
H
H
experimental studies have shown :
·
allyl anion is planar
all atoms are in the same plane
must be SP2 because it's planar
·
why ?
H
4 bonding groups =
tetrahedral
I
repulsion between bonding = USEPR
H
more repulsion between bonding
groups
Hj C
C
H
A
H H
out of the plane in a p-orbital
,
allys anion
resonance hybrids
delocalization and resonance stability
>
averaging
-- - -
................. S
-
0 . 3 -
0 5
.
each bond has bond order of 1 5 .
We average charge bond order what about hybridization ?
,
SP3 tetrahedral SP2 trigonal planar
= T -
H
H
H
H
experimental studies have shown :
·
allyl anion is planar
all atoms are in the same plane
must be SP2 because it's planar
·
why ?
H
4 bonding groups =
tetrahedral
I
repulsion between bonding = USEPR
H
more repulsion between bonding
groups
Hj C
C
H
A
H H
out of the plane in a p-orbital
,
