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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-231.923380
Energy at 298.15K 
HF Energy-231.606649
Nuclear repulsion energy208.988849
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 B2PLYP=FULL/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3249 3249 7.67 261.26 0.03 0.07
2 A1 3140 3140 29.10 134.35 0.13 0.24
3 A1 1618 1618 0.07 23.91 0.05 0.09
4 A1 1190 1190 4.11 18.51 0.20 0.33
5 A1 1046 1046 2.71 13.68 0.73 0.84
6 A1 960 960 5.29 13.12 0.22 0.36
7 A1 881 881 0.25 6.31 0.72 0.83
8 A1 830 830 57.69 5.83 0.09 0.17
9 A1 394 394 2.89 10.09 0.63 0.77
10 A2 3215 3215 0.00 157.68 0.75 0.86
11 A2 1298 1298 0.00 4.46 0.75 0.86
12 A2 1202 1202 0.00 11.90 0.75 0.86
13 A2 969 969 0.00 0.25 0.75 0.86
14 A2 935 935 0.00 0.11 0.75 0.86
15 A2 794 794 0.00 3.34 0.75 0.86
16 A2 340 340 0.00 2.28 0.75 0.86
17 B1 3246 3246 39.32 56.50 0.75 0.86
18 B1 1593 1593 8.83 1.60 0.75 0.86
19 B1 1218 1218 2.88 2.66 0.75 0.86
20 B1 1112 1112 0.01 0.03 0.75 0.86
21 B1 1016 1016 0.35 9.09 0.75 0.86
22 B1 737 737 36.17 3.70 0.75 0.86
23 B2 3216 3216 23.49 42.53 0.75 0.86
24 B2 3133 3133 15.71 109.20 0.75 0.86
25 B2 1307 1307 33.99 0.05 0.75 0.86
26 B2 1164 1164 2.79 0.81 0.75 0.86
27 B2 967 967 5.28 0.18 0.75 0.86
28 B2 936 936 4.94 0.23 0.75 0.86
29 B2 842 842 7.66 2.14 0.75 0.86
30 B2 494 494 5.95 5.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21521.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21521.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/6-31G(2df,p)
ABC
0.26155 0.14979 0.11674

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.786 0.525
C2 0.000 -0.786 0.525
H3 0.000 1.351 1.456
H4 0.000 -1.351 1.456
C5 -1.300 0.670 -0.265
C6 1.300 0.670 -0.265
C7 1.300 -0.670 -0.265
C8 -1.300 -0.670 -0.265
H9 -1.940 1.419 -0.711
H10 1.940 1.419 -0.711
H11 1.940 -1.419 -0.711
H12 -1.940 -1.419 -0.711

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.57151.08902.33071.52531.52532.10532.10532.38582.38583.18623.1862
C21.57152.33071.08902.10532.10531.52531.52533.18623.18622.38582.3858
H31.08902.33072.70192.26142.26142.95542.95542.90922.90924.01634.0163
H42.33071.08902.70192.95542.95542.26142.26144.01634.01632.90922.9092
C51.52532.10532.26142.95542.59932.92431.33991.08163.35493.88042.2298
C61.52532.10532.26142.95542.59931.33992.92433.35491.08162.22983.8804
C72.10531.52532.95542.26142.92431.33992.59933.88042.22981.08163.3549
C82.10531.52532.95542.26141.33992.92432.59932.22983.88043.35491.0816
H92.38583.18622.90924.01631.08163.35493.88042.22983.88014.80712.8377
H102.38583.18622.90924.01633.35491.08162.22983.88043.88012.83774.8071
H113.18622.38584.01632.90923.88042.22981.08163.35494.80712.83773.8801
H123.18622.38584.01632.90922.22983.88043.35491.08162.83774.80713.8801

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 121.265 C1 C2 H7 85.645
C1 C2 H8 85.645 C1 C5 H8 94.355
C1 C5 H9 131.720 C1 C6 H7 94.355
C1 C6 H10 131.720 C2 C1 C3 121.265
C2 C1 C5 85.645 C2 C1 C6 85.645
C2 H7 C6 94.355 C2 H7 H11 131.720
C2 H8 C5 94.355 C2 H8 H12 131.720
C3 C1 C5 118.825 C3 C1 C6 118.825
C4 C2 H7 118.825 C4 C2 H8 118.825
C5 C1 C6 116.868 C5 H8 H12 133.819
C6 H7 H11 133.819 H7 C6 H10 133.819
H8 C5 H9 133.819
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability