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All results from a given calculation for C6H6 (Dewar Benzene)

using model chemistry: CCSD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-231.542192
Energy at 298.15K 
HF Energy-230.589525
Nuclear repulsion energy208.689360
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCSD/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at CCSD/6-31G(2df,p)
ABC
0.26059 0.14933 0.11652

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.786 0.528
C2 0.000 -0.786 0.528
H3 0.000 1.354 1.458
H4 0.000 -1.354 1.458
C5 -1.301 0.671 -0.267
C6 1.301 0.671 -0.267
C7 1.301 -0.671 -0.267
C8 -1.301 -0.671 -0.267
H9 -1.941 1.420 -0.714
H10 1.941 1.420 -0.714
H11 1.941 -1.420 -0.714
H12 -1.941 -1.420 -0.714

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.57211.08912.33311.52911.52912.10872.10872.39032.39033.19013.1901
C21.57212.33311.08912.10872.10871.52911.52913.19013.19012.39032.3903
H31.08912.33312.70812.26572.26572.96072.96072.91372.91374.02224.0222
H42.33311.08912.70812.96072.96072.26572.26574.02224.02222.91372.9137
C51.52912.10872.26572.96072.60202.92731.34131.08213.35763.88352.2313
C61.52912.10872.26572.96072.60201.34132.92733.35761.08212.23133.8835
C72.10871.52912.96072.26572.92731.34132.60203.88352.23131.08213.3576
C82.10871.52912.96072.26571.34132.92732.60202.23133.88353.35761.0821
H92.39033.19012.91374.02221.08213.35763.88352.23133.88264.80992.8390
H102.39033.19012.91374.02223.35761.08212.23133.88353.88262.83904.8099
H113.19012.39034.02222.91373.88352.23131.08213.35764.80992.83903.8826
H123.19012.39034.02222.91372.23133.88353.35761.08212.83904.80993.8826

picture of Dewar Benzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 121.434 C1 C2 H7 85.672
C1 C2 H8 85.672 C1 C5 H8 94.328
C1 C5 H9 131.774 C1 C6 H7 94.328
C1 C6 H10 131.774 C2 C1 C3 121.434
C2 C1 C5 85.672 C2 C1 C6 85.672
C2 H7 C6 94.328 C2 H7 H11 131.774
C2 H8 C5 94.328 C2 H8 H12 131.774
C3 C1 C5 118.885 C3 C1 C6 118.885
C4 C2 H7 118.885 C4 C2 H8 118.885
C5 C1 C6 116.601 C5 H8 H12 133.795
C6 H7 H11 133.795 H7 C6 H10 133.795
H8 C5 H9 133.795
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability