Guanine

Sugar:
H1'	5-6		C1'(RNA)87-94
			C1'(DNA)83-89	
H2'(DNA)2.3-2.9		C2'(DNA)35-38
H2'(RNA)4.4-5.0		C2'(RNA)70-78
H2''	2.4-3.1		
H3'	4.4-5.2		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:
H2	7.5-8.0		C2	156
H8	7.5-8.3		C8	131-138
(N)H-1	12-13.6		N(H)-1	146-149
(N)H2	5-6/8-9		N(H2)	72-76
			C4	152-154
			C5	117-119
			C6	161
			N3	167
			N7	228-238
			N9	166-172

(Data from 98PROG287 )