Cytosine

Sugar:
H1'	5-6		C1'(DNA)87-94	
			C1'(RNA)83-89
H2'(DNA)1.7-2.3		C2'(DNA)35-38
H2'(RNA)4.4-5.0		C2'(RNA)70-78
H2''	2.1-2.7		
H3'	4.4-5.0		C3'	70-78
H4'	3.8-4.3		C4'	82-86
H5'	3.8-4.3		C5'	63-68
H5''	3.8-4.3
Base:
H5	5.0-6.0		C5	94-99
H6	6.9-7.9		C6	136-144
(N)H2	6.7-7.0/8.1-8.8	N(H2)	94-98
C2	159
C4	166-168
N1	150-156
N3	210
(Data from 98PROG287 )