1	0	0.0	0.0	0.0
2	1	0.0	0.0 	1.49
3	2 	109.0	0.0	1.50
4	3	110.0	0.0	1.54
5	4  	107.0	180.0	1.51
6	4 	105.0	-30.0	1.52


Example notes. 
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(i)   1.52 is the bond distance between atom codes C4C6.
(ii)  107.0 is the bond angle for atom codes C3C4C5 
(iii) -30 is the torsion angle for atom codes C2C3C4C6