%chk=\\icfs16.cc.ic.ac.uk\bw08\Desktop\allyl opt-3-21.chk
# opt hf/3-21g geom=connectivity

allyl_opt-3-21

0 2
 C                 -0.61093245    0.65916398    0.00000000
 H                 -1.68093245    0.65916398    0.00000000
 C                  0.08736258    1.87419732    0.00000000
 H                 -0.44580117    2.80190224   -0.00000000
 H                  1.15736258    1.87419732   -0.00000000
 C                  0.08736258   -0.55586936    0.00000000
 H                  1.15734369   -0.56222666    0.00000000
 H                 -0.45130363   -1.48039017    0.00000000

 1 2 1.0 3 1.5 6 1.5
 2
 3 4 1.0 5 1.0
 4
 5
 6 7 1.0 8 1.0
 7
 8