rdc_data {
#C1-H1b
7 25 7.7
#C1-H1a 
7 26 3.2
#C2-H2
8 27 5.6
#N-Me
18 37 0.0
18 38 0.0
18 39 0.0
#C4-H4b
10 28 2.2
#C4-H4a 
10 29 4.2
#C5-H5b 
11 31 5.2
#C5-H5a 
11 30 0.1
#C6
6 24 2.8
#C9 
3 23 2.2
#C2'
13 32 3.0
17 36 3.0
#C3'
14 33 2.8
16 35 2.8
#C4'
15 34 -9.20
}