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All results from a given calculation for C6H6 (Benzene)

using model chemistry: MP2=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D6H 1A1g
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-231.646440
Energy at 298.15K-231.652411
HF Energy-230.741703
Nuclear repulsion energy203.056178
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/6-311G*
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 3234 3063 0.00 380.23 0.13 0.22
2 A1g 1017 963 0.00 55.73 0.09 0.17
3 A2g 1376 1303 0.00 0.00 0.00 0.00
4 A2u 675 639 133.19 0.00 0.00 0.00
5 B1u 3199 3030 0.00 0.00 0.00 0.00
6 B1u 1015 961 0.00 0.00 0.00 0.00
7 B2g 873 827 0.00 0.00 0.75 0.86
8 B2g 411 389 0.00 0.00 0.75 0.86
9 B2u 1455 1378 0.00 0.00 0.00 0.00
10 B2u 1189 1126 0.00 0.00 0.00 0.00
11 E1g 829 785 0.00 1.15 0.75 0.86
11 E1g 829 785 0.00 1.15 0.75 0.86
12 E1u 3225 3054 36.53 0.00 0.00 0.00
12 E1u 3225 3054 36.53 0.00 0.00 0.00
13 E1u 1519 1438 11.20 0.00 0.00 0.00
13 E1u 1519 1438 11.20 0.00 0.00 0.00
14 E1u 1067 1011 5.51 0.00 0.00 0.00
14 E1u 1067 1011 5.51 0.00 0.00 0.00
15 E2g 3210 3040 0.00 132.71 0.75 0.86
15 E2g 3210 3040 0.00 132.71 0.75 0.86
16 E2g 1651 1564 0.00 7.90 0.75 0.86
16 E2g 1651 1564 0.00 7.90 0.75 0.86
17 E2g 1210 1146 0.00 6.10 0.75 0.86
17 E2g 1210 1146 0.00 6.10 0.75 0.86
18 E2g 615 582 0.00 3.90 0.75 0.86
18 E2g 615 582 0.00 3.90 0.75 0.86
19 E2u 870 824 0.00 0.00 0.70 0.82
19 E2u 870 824 0.00 0.00 0.00 0.00
20 E2u 392 371 0.00 0.00 0.00 0.00
20 E2u 392 371 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 21808.0 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 20654.4 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/6-311G*
ABC
0.18942 0.18942 0.09471

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is D6h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.398 0.000
C2 1.210 0.699 0.000
C3 1.210 -0.699 0.000
C4 0.000 -1.398 0.000
C5 -1.210 -0.699 0.000
C6 -1.210 0.699 0.000
H7 0.000 2.484 0.000
H8 2.152 1.242 0.000
H9 2.152 -1.242 0.000
H10 0.000 -2.484 0.000
H11 -2.152 -1.242 0.000
H12 -2.152 1.242 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.39782.42102.79552.42101.39781.08672.15723.40573.88223.40572.1572
C21.39781.39782.42102.79552.42102.15721.08672.15723.40573.88223.4057
C32.42101.39781.39782.42102.79553.40572.15721.08672.15723.40573.8822
C42.79552.42101.39781.39782.42103.88223.40572.15721.08672.15723.4057
C52.42102.79552.42101.39781.39783.40573.88223.40572.15721.08672.1572
C61.39782.42102.79552.42101.39782.15723.40573.88223.40572.15721.0867
H71.08672.15723.40573.88223.40572.15722.48444.30314.96884.30312.4844
H82.15721.08672.15723.40573.88223.40572.48442.48444.30314.96884.3031
H93.40572.15721.08672.15723.40573.88224.30312.48442.48444.30314.9688
H103.88223.40572.15721.08672.15723.40574.96884.30312.48442.48444.3031
H113.40573.88223.40572.15721.08672.15724.30314.96884.30312.48442.4844
H122.15723.40573.88223.40572.15721.08672.48444.30314.96884.30312.4844

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability