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

using model chemistry: B2PLYP=FULLultrafine/6-31G**

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=FULLultrafine/6-31G**
 hartrees
Energy at 0K-231.873522
Energy at 298.15K 
HF Energy-231.597592
Nuclear repulsion energy208.763731
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=FULLultrafine/6-31G**
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 3261 3261 8.37 269.93 0.03 0.06
2 A1 3152 3152 34.87 140.52 0.15 0.25
3 A1 1637 1637 0.05 21.34 0.05 0.10
4 A1 1198 1198 3.65 18.29 0.22 0.36
5 A1 1057 1057 2.38 16.36 0.74 0.85
6 A1 965 965 6.44 12.06 0.25 0.40
7 A1 884 884 0.28 6.77 0.74 0.85
8 A1 825 825 63.65 6.06 0.14 0.25
9 A1 396 396 3.15 12.72 0.64 0.78
10 A2 3228 3228 0.00 163.13 0.75 0.86
11 A2 1319 1319 0.00 5.26 0.75 0.86
12 A2 1226 1226 0.00 12.84 0.75 0.86
13 A2 976 976 0.00 0.27 0.75 0.86
14 A2 929 929 0.00 0.06 0.75 0.86
15 A2 791 791 0.00 3.60 0.75 0.86
16 A2 335 335 0.00 2.78 0.75 0.86
17 B1 3258 3258 46.21 57.59 0.75 0.86
18 B1 1612 1612 8.81 2.00 0.75 0.86
19 B1 1239 1239 2.78 3.52 0.75 0.86
20 B1 1122 1122 0.00 0.02 0.75 0.86
21 B1 1022 1022 0.29 9.86 0.75 0.86
22 B1 732 732 37.95 5.26 0.75 0.86
23 B2 3230 3230 27.46 44.11 0.75 0.86
24 B2 3145 3145 17.55 114.52 0.75 0.86
25 B2 1326 1326 32.12 0.02 0.75 0.86
26 B2 1183 1183 5.00 0.94 0.75 0.86
27 B2 962 962 6.01 0.20 0.75 0.86
28 B2 935 935 4.97 0.46 0.75 0.86
29 B2 846 846 6.68 2.32 0.75 0.86
30 B2 493 493 6.06 6.78 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21642.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21642.3 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=FULLultrafine/6-31G**
ABC
0.26165 0.14926 0.11627

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.786 0.522
C2 0.000 -0.786 0.522
H3 0.000 1.348 1.456
H4 0.000 -1.348 1.456
C5 -1.303 0.671 -0.264
C6 1.303 0.671 -0.264
C7 1.303 -0.671 -0.264
C8 -1.303 -0.671 -0.264
H9 -1.946 1.419 -0.710
H10 1.946 1.419 -0.710
H11 1.946 -1.419 -0.710
H12 -1.946 -1.419 -0.710

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.57201.09012.32961.52591.52592.10692.10692.38882.38883.18883.1888
C21.57202.32961.09012.10692.10691.52591.52593.18883.18882.38882.3888
H31.09012.32962.69642.26142.26142.95532.95532.91282.91284.01724.0172
H42.32961.09012.69642.95532.95532.26142.26144.01724.01722.91282.9128
C51.52592.10692.26142.95532.60582.93131.34251.08273.36373.88912.2322
C61.52592.10692.26142.95532.60581.34252.93133.36371.08272.23223.8891
C72.10691.52592.95532.26142.93131.34252.60583.88912.23221.08273.3637
C82.10691.52592.95532.26141.34252.93132.60582.23223.88913.36371.0827
H92.38883.18882.91284.01721.08273.36373.88912.23223.89214.81722.8385
H102.38883.18882.91284.01723.36371.08272.23223.88913.89212.83854.8172
H113.18882.38884.01722.91283.88912.23221.08273.36374.81722.83853.8921
H123.18882.38884.01722.91282.23223.88913.36371.08272.83854.81723.8921

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 121.048 C1 C2 H7 85.686
C1 C2 H8 85.686 C1 C5 H8 94.314
C1 C5 H9 131.875 C1 C6 H7 94.314
C1 C6 H10 131.875 C2 C1 C3 121.048
C2 C1 C5 85.686 C2 C1 C6 85.686
C2 H7 C6 94.314 C2 H7 H11 131.875
C2 H8 C5 94.314 C2 H8 H12 131.875
C3 C1 C5 118.691 C3 C1 C6 118.691
C4 C2 H7 118.691 C4 C2 H8 118.691
C5 C1 C6 117.263 C5 H8 H12 133.698
C6 H7 H11 133.698 H7 C6 H10 133.698
H8 C5 H9 133.698
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability