CH2N4

Tetrazole

[10] - [12]

Sol Liq Gas [12]

No charge position

Different charge position

[10] - [12]

C5H5NH(+)

Pyridinium cation

[10] - [12]

No charge position

Different charge position

C5H5N

Pyridine [10] - [12]

Sol Liq Gas [12]

Unknown charge position

Different charge position

[10] - [12]

C7H7(+)

Tropylium cation

[10] [12]

In solution [12]

No charge position

With charge position

Different charge position

[12]

[10] [11]

C3H7NO

Dimethyl formamide

[10] [11]

Different charge position

No resonance

[10] - [12]

[12]

C16H18N3S(+) Cl(−) Methylene blue [12]