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

using model chemistry: MP2=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-231.421543
Energy at 298.15K 
HF Energy-230.580776
Nuclear repulsion energy208.960269
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 MP2=FULL/6-31+G**
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 3296 3095 8.36 297.39 0.03 0.06
2 A1 3191 2997 24.09 152.72 0.11 0.20
3 A1 1609 1511 0.29 37.00 0.01 0.02
4 A1 1195 1122 4.49 29.75 0.10 0.18
5 A1 1059 994 1.69 6.39 0.65 0.79
6 A1 980 920 6.35 9.85 0.25 0.40
7 A1 887 833 1.03 4.53 0.58 0.74
8 A1 824 774 92.07 4.85 0.01 0.02
9 A1 393 369 6.41 4.28 0.53 0.70
10 A2 3263 3065 0.00 157.79 0.75 0.86
11 A2 1323 1243 0.00 6.08 0.75 0.86
12 A2 1230 1155 0.00 8.92 0.75 0.86
13 A2 992 931 0.00 0.61 0.75 0.86
14 A2 905 850 0.00 1.69 0.75 0.86
15 A2 779 731 0.00 2.05 0.75 0.86
16 A2 318 299 0.00 1.05 0.75 0.86
17 B1 3294 3093 39.43 72.26 0.75 0.86
18 B1 1583 1487 11.20 0.01 0.75 0.86
19 B1 1244 1168 2.88 1.50 0.75 0.86
20 B1 1131 1062 0.48 0.05 0.75 0.86
21 B1 1041 977 0.01 6.36 0.75 0.86
22 B1 728 684 56.58 1.52 0.75 0.86
23 B2 3264 3066 22.05 47.03 0.75 0.86
24 B2 3184 2991 12.77 111.98 0.75 0.86
25 B2 1330 1249 34.16 0.03 0.75 0.86
26 B2 1184 1112 8.18 0.22 0.75 0.86
27 B2 943 885 7.99 0.56 0.75 0.86
28 B2 917 862 6.98 1.11 0.75 0.86
29 B2 841 790 6.96 0.08 0.75 0.86
30 B2 482 452 4.27 3.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21703.6 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 20384.0 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 MP2=FULL/6-31+G**
ABC
0.26014 0.15054 0.11687

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.786 0.523
C2 0.000 -0.786 0.523
H3 0.000 1.344 1.458
H4 0.000 -1.344 1.458
C5 -1.296 0.675 -0.264
C6 1.296 0.675 -0.264
C7 1.296 -0.675 -0.264
C8 -1.296 -0.675 -0.264
H9 -1.934 1.422 -0.717
H10 1.934 1.422 -0.717
H11 1.934 -1.422 -0.717
H12 -1.934 -1.422 -0.717

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.57291.08842.32681.52051.52052.10632.10632.38352.38353.18673.1867
C21.57292.32681.08842.10632.10631.52051.52053.18673.18672.38352.3835
H31.08842.32682.68882.25662.25662.95362.95362.91102.91104.01524.0152
H42.32681.08842.68882.95362.95362.25662.25664.01524.01522.91102.9110
C51.52052.10632.25662.95362.59222.92291.35061.08143.34593.87772.2385
C61.52052.10632.25662.95362.59221.35062.92293.34591.08142.23853.8777
C72.10631.52052.95362.25662.92291.35062.59223.87772.23851.08143.3459
C82.10631.52052.95362.25661.35062.92292.59222.23853.87773.34591.0814
H92.38353.18672.91104.01521.08143.34593.87772.23853.86764.80092.8444
H102.38353.18672.91104.01523.34591.08142.23853.87773.86762.84444.8009
H113.18672.38354.01522.91103.87772.23851.08143.34594.80092.84443.8676
H123.18672.38354.01522.91102.23853.87773.34591.08142.84444.80093.8676

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 120.838 C1 C2 H7 85.806
C1 C2 H8 85.806 C1 C5 H8 94.194
C1 C5 H9 131.981 C1 C6 H7 94.194
C1 C6 H10 131.981 C2 C1 C3 120.838
C2 C1 C5 85.806 C2 C1 C6 85.806
C2 H7 C6 94.194 C2 H7 H11 131.981
C2 H8 C5 94.194 C2 H8 H12 131.981
C3 C1 C5 118.819 C3 C1 C6 118.819
C4 C2 H7 118.819 C4 C2 H8 118.819
C5 C1 C6 116.946 C5 H8 H12 133.684
C6 H7 H11 133.684 H7 C6 H10 133.684
H8 C5 H9 133.684
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability