Open
octet on carbon Less significant resonance contributor |
|
All
atoms have full
octets More significant resonance contributor |
Two
formal
charges Less significant resonance contributor |
|
No formal
charges More significant resonance contributor |
Negative
formal
charge on carbon (EN
= 2.5) Less significant resonance contributor |
|
Negative
formal
charge on oxygen (EN
= 3.5) More significant resonance contributor |
Three
covalent
bonds Less significant resonance contributor |
|
Four
covalent
bonds More significant resonance contributor |
Carbon-chlorine
double
bond Less significant resonance contributor |
|
Carbon-fluorine
double
bond More significant resonance contributor |
Nonaromatic Less significant resonance contributor |
|
Aromatic More significant resonance contributor |