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All results from a given calculation for C6H6 (Benzene)

using model chemistry: B2PLYP=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D6H 1A1g
Energy calculated at B2PLYP=FULL/3-21G*
 hartrees
Energy at 0K-230.626499
Energy at 298.15K-230.632913
HF Energy-230.446865
Nuclear repulsion energy202.955832
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/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1g 3238 3238 0.00 315.11 0.10 0.18
2 A1g 1010 1010 0.00 50.31 0.11 0.21
3 A2g 1443 1443 0.00 0.00 0.75 0.86
4 A2u 700 700 121.09 0.00 0.00 0.00
5 B1u 3199 3199 0.00 0.00 0.75 0.86
6 B1u 1070 1070 0.00 0.00 0.00 0.00
7 B2g 1019 1019 0.00 0.00 0.75 0.86
8 B2g 741 741 0.00 0.00 0.00 0.00
9 B2u 1317 1317 0.00 0.00 0.00 0.00
10 B2u 1235 1235 0.00 0.00 0.00 0.00
11 E1g 878 878 0.00 6.59 0.75 0.86
11 E1g 878 878 0.00 6.59 0.75 0.86
12 E1u 3225 3225 32.01 0.00 0.00 0.00
12 E1u 3225 3225 32.01 0.00 0.00 0.00
13 E1u 1544 1544 11.82 0.00 0.00 0.00
13 E1u 1544 1544 11.83 0.00 0.00 0.00
14 E1u 1068 1068 3.56 0.00 0.00 0.00
14 E1u 1068 1068 3.56 0.00 0.00 0.00
15 E2g 3208 3208 0.00 117.43 0.75 0.86
15 E2g 3208 3208 0.00 117.43 0.75 0.86
16 E2g 1624 1624 0.00 12.71 0.75 0.86
16 E2g 1624 1624 0.00 12.71 0.75 0.86
17 E2g 1246 1246 0.00 7.78 0.75 0.86
17 E2g 1246 1246 0.00 7.78 0.75 0.86
18 E2g 650 650 0.00 3.42 0.75 0.86
18 E2g 650 650 0.00 3.42 0.75 0.86
19 E2u 994 994 0.00 0.00 0.00 0.00
19 E2u 994 994 0.00 0.00 0.00 0.00
20 E2u 422 422 0.00 0.00 0.00 0.00
20 E2u 422 422 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 22344.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22344.6 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/3-21G*
ABC
0.18914 0.18914 0.09457

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*

Point Group is D6h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.399 0.000
C2 1.212 0.700 0.000
C3 1.212 -0.700 0.000
C4 0.000 -1.399 0.000
C5 -1.212 -0.700 0.000
C6 -1.212 0.700 0.000
H7 0.000 2.483 0.000
H8 2.150 1.241 0.000
H9 2.150 -1.241 0.000
H10 0.000 -2.483 0.000
H11 -2.150 -1.241 0.000
H12 -2.150 1.241 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.39942.42382.79872.42381.39941.08322.15583.40523.88193.40522.1558
C21.39941.39942.42382.79872.42382.15581.08322.15583.40523.88193.4052
C32.42381.39941.39942.42382.79873.40522.15581.08322.15583.40523.8819
C42.79872.42381.39941.39942.42383.88193.40522.15581.08322.15583.4052
C52.42382.79872.42381.39941.39943.40523.88193.40522.15581.08322.1558
C61.39942.42382.79872.42381.39942.15583.40523.88193.40522.15581.0832
H71.08322.15583.40523.88193.40522.15582.48264.29994.96514.29992.4826
H82.15581.08322.15583.40523.88193.40522.48262.48264.29994.96514.2999
H93.40522.15581.08322.15583.40523.88194.29992.48262.48264.29994.9651
H103.88193.40522.15581.08322.15583.40524.96514.29992.48262.48264.2999
H113.40523.88193.40522.15581.08322.15584.29994.96514.29992.48262.4826
H122.15583.40523.88193.40522.15581.08322.48264.29994.96514.29992.4826

picture of Benzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.000 C1 C2 H8 120.000
C1 C6 C5 120.000 C1 C6 H12 120.000
C2 C1 C6 120.000 C2 C1 H7 120.000
C2 C3 C4 120.000 C2 C3 H9 120.000
C3 C2 H8 120.000 C3 C4 C5 120.000
C3 C4 H10 120.000 C4 C3 H9 120.000
C4 C5 C6 120.000 C4 C5 H11 120.000
C5 C4 H10 120.000 C5 C6 H12 120.000
C6 C1 H7 120.000 C6 C5 H11 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability