%chk=H:\Computational Lab\Module 3\Diels Alder\Regioselectivity\maleic_hexadiene_product_elsa.chk
# opt hf/3-21g geom=connectivity

Title Card Required

0 1
 C                  1.09925000    1.29375700   -0.03961300
 C                  0.97985100    0.77934200    1.42018800
 C                  0.97978500   -0.77929600    1.42022400
 C                  1.09919300   -1.29379300   -0.03954400
 C                  2.33542800   -0.65977400   -0.64723700
 C                  2.33544800    0.65965700   -0.64728800
 H                  1.12041700    2.37291700   -0.06930300
 H                  1.82075900    1.15472600    1.98712400
 H                  1.82064100   -1.15472600    1.98720600
 H                  1.12031900   -2.37295600   -0.06917400
 H                  3.13514900   -1.26266000   -1.02749200
 H                  3.13518300    1.26248500   -1.02758900
 H                  0.08068700   -1.17028900    1.88082300
 H                  0.08080300    1.17043300    1.88079800
 O                 -2.11184700    0.00003600    0.14792500
 C                 -0.11570900   -0.76765300   -0.85110000
 C                 -0.11568400    0.76762100   -0.85112600
 H                 -0.09223600   -1.18267600   -1.84888000
 H                 -0.09222200    1.18260400   -1.84892600
 C                 -1.42649500   -1.15295900   -0.19382500
 C                 -1.42645000    1.15299500   -0.19384800
 O                 -1.85646100   -2.23601500    0.04443400
 O                 -1.85634200    2.23607400    0.04444400

 1 2 1.0 6 1.0 7 1.0 17 1.0
 2 3 1.0 8 1.0 14 1.0
 3 4 1.0 9 1.0 13 1.0
 4 5 1.0 10 1.0 16 1.0
 5 6 2.0 11 1.0
 6 12 1.0
 7
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 15 20 1.0 21 1.0
 16 17 1.0 18 1.0 20 1.0
 17 19 1.0 21 1.0
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 20 22 2.0
 21 23 2.0
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