%chk=COR2.chk
%mem=13000MB
%nprocshared=6
#p opt freq b3lyp scrf=(smd,solvent=1,4-dioxane) nosymm cphf=conver=7
empiricaldispersion=gd3 int=(acc2e=11,grid=ultrafine) tzvp

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0 1
 C                  4.82937500   -1.44079200    1.84332600
 C                  5.40952100   -0.42528500    2.87858500
 C                  3.33497200   -1.23069000    1.44016700
 O                  5.48709800   -2.31928400    1.38591900
 H                  5.09460642   -0.70171247    3.86312381
 H                  5.06013669    0.56530284    2.67470678
 H                  6.47895864   -0.43060468    2.84430911
 H                  2.74825483   -0.94132525    2.28688479
 H                  3.27269559   -0.45757072    0.70307255
 H                  2.93123207   -2.13255029    1.02962822