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

using model chemistry: MP2=FULL/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-231.717713
Energy at 298.15K 
HF Energy-230.647566
Nuclear repulsion energy209.573593
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/Def2TZVPP
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 3254 3254 6.22 302.80 0.03 0.06
2 A1 3170 3170 18.51 147.73 0.11 0.20
3 A1 1586 1586 0.11 25.67 0.01 0.02
4 A1 1179 1179 4.40 27.68 0.11 0.19
5 A1 1037 1037 2.38 6.09 0.73 0.84
6 A1 967 967 4.60 9.86 0.22 0.37
7 A1 881 881 1.88 4.29 0.69 0.82
8 A1 829 829 73.51 5.38 0.01 0.03
9 A1 390 390 4.39 5.98 0.56 0.72
10 A2 3222 3222 0.00 150.23 0.75 0.86
11 A2 1299 1299 0.00 4.63 0.75 0.86
12 A2 1201 1201 0.00 9.68 0.75 0.86
13 A2 979 979 0.00 0.20 0.75 0.86
14 A2 948 948 0.00 1.08 0.75 0.86
15 A2 782 782 0.00 1.80 0.75 0.86
16 A2 330 330 0.00 1.34 0.75 0.86
17 B1 3252 3252 31.10 59.79 0.75 0.86
18 B1 1562 1562 9.37 0.76 0.75 0.86
19 B1 1214 1214 2.36 1.07 0.75 0.86
20 B1 1113 1113 0.31 0.06 0.75 0.86
21 B1 1023 1023 0.05 6.27 0.75 0.86
22 B1 735 735 47.92 2.12 0.75 0.86
23 B2 3223 3223 16.78 40.98 0.75 0.86
24 B2 3161 3161 8.78 107.21 0.75 0.86
25 B2 1308 1308 34.53 0.01 0.75 0.86
26 B2 1159 1159 6.96 0.24 0.75 0.86
27 B2 975 975 2.35 0.42 0.75 0.86
28 B2 926 926 10.25 0.18 0.75 0.86
29 B2 846 846 8.90 0.54 0.75 0.86
30 B2 483 483 4.42 2.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21515.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21515.2 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/Def2TZVPP
ABC
0.26144 0.15140 0.11774

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.785 0.525
C2 0.000 -0.785 0.525
H3 0.000 1.339 1.457
H4 0.000 -1.339 1.457
C5 -1.291 0.672 -0.265
C6 1.291 0.672 -0.265
C7 1.291 -0.672 -0.265
C8 -1.291 -0.672 -0.265
H9 -1.930 1.416 -0.714
H10 1.930 1.416 -0.714
H11 1.930 -1.416 -0.714
H12 -1.930 -1.416 -0.714

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.57001.08432.31931.51781.51782.10092.10092.37852.37853.17873.1787
C21.57002.31931.08432.10092.10091.51781.51783.17873.17872.37852.3785
H31.08432.31932.67742.25342.25342.94552.94552.90592.90594.00344.0034
H42.31931.08432.67742.94552.94552.25342.25344.00344.00342.90592.9059
C51.51782.10092.25342.94552.58212.91091.34381.07863.33593.86452.2292
C61.51782.10092.25342.94552.58211.34382.91093.33591.07862.22923.8645
C72.10091.51782.94552.25342.91091.34382.58213.86452.22921.07863.3359
C82.10091.51782.94552.25341.34382.91092.58212.22923.86453.33591.0786
H92.37853.17872.90594.00341.07863.33593.86452.22923.85934.78712.8323
H102.37853.17872.90594.00343.33591.07862.22923.86453.85932.83234.7871
H113.17872.37854.00342.90593.86452.22921.07863.33594.78712.83233.8593
H123.17872.37854.00342.90592.22923.86453.33591.07862.83234.78713.8593

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 120.708 C1 C2 H7 85.727
C1 C2 H8 85.727 C1 C5 H8 94.273
C1 C5 H9 131.983 C1 C6 H7 94.273
C1 C6 H10 131.983 C2 C1 C3 120.708
C2 C1 C5 85.727 C2 C1 C6 85.727
C2 H7 C6 94.273 C2 H7 H11 131.983
C2 H8 C5 94.273 C2 H8 H12 131.983
C3 C1 C5 119.052 C3 C1 C6 119.052
C4 C2 H7 119.052 C4 C2 H8 119.052
C5 C1 C6 116.550 C5 H8 H12 133.631
C6 H7 H11 133.631 H7 C6 H10 133.631
H8 C5 H9 133.631
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability