O(−)H

CH2O2

Formic Acid

O 2b

H 1b

8/101

Water like

O(+) 3b

H(−) 2b

O(−)H

CH3COOH

Acetic acid

C(+) 3b

O(−) 1b

16/118

C 4b

O 2b

O(−)H

CH2CO

Ethenone

O(−) 1b

H 1b

−150/56

O 2b

H(−) 2b

O(−)C(+)

H2CO

Formaldehyde

C(+) 3b

O(−) 1b

−92/−19

C 4b

O 2b

O(−)C(+)

H(CO)NH2

Formamide

CH3(CO)NH2Acetamide

80/221

C(+) 3b

O(−) 1b

2/ 220

C 4b

O 2b

O(−)C(+)

H(CO)N(CH3)2

Dimethyl

Formamide

C(+) 3b

O(−) 1b

−60/152

C 4b

O 2b