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All results from a given calculation for C6H6 (Benzene)

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

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/6-31G*
 hartrees
Energy at 0K-231.487188
Energy at 298.15K-231.493318
HF Energy-230.702049
Nuclear repulsion energy203.354963
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1g 3251 3063 0.00 344.69 0.10 0.19
2 A1g 1029 970 0.00 49.84 0.10 0.19
3 A2g 1393 1312 0.00 0.00 0.41 0.58
4 A2u 691 651 99.63 0.00 0.00 0.00
5 B1u 3217 3031 0.00 0.00 0.75 0.86
6 B1u 1025 966 0.00 0.00 0.00 0.00
7 B2g 906 854 0.00 0.00 0.75 0.86
8 B2g 529 498 0.00 0.00 0.75 0.86
9 B2u 1467 1382 0.00 0.00 0.75 0.86
10 B2u 1212 1141 0.00 0.00 0.00 0.00
11 E1g 851 801 0.00 5.87 0.75 0.86
11 E1g 851 801 0.00 5.87 0.75 0.86
12 E1u 3242 3054 33.95 0.00 0.00 0.00
12 E1u 3242 3054 33.95 0.00 0.44 0.00
13 E1u 1542 1453 9.79 0.00 0.00 0.00
13 E1u 1542 1453 9.79 0.00 0.00 0.00
14 E1u 1085 1022 3.85 0.00 0.00 0.00
14 E1u 1085 1022 3.85 0.00 0.00 0.00
15 E2g 3227 3041 0.00 122.31 0.75 0.86
15 E2g 3227 3041 0.00 122.31 0.75 0.86
16 E2g 1675 1578 0.00 9.66 0.75 0.86
16 E2g 1675 1578 0.00 9.66 0.75 0.86
17 E2g 1232 1161 0.00 9.39 0.75 0.86
17 E2g 1232 1161 0.00 9.39 0.75 0.86
18 E2g 622 586 0.00 3.41 0.75 0.86
18 E2g 622 586 0.00 3.41 0.75 0.86
19 E2u 904 852 0.00 0.00 0.00 0.00
19 E2u 904 852 0.00 0.00 0.00 0.00
20 E2u 401 377 0.00 0.00 0.00 0.00
20 E2u 401 377 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 22138.4 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 20858.8 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/6-31G*
ABC
0.19003 0.19003 0.09501

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

Point Group is D6h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.395 0.000
C2 1.208 0.698 0.000
C3 1.208 -0.698 0.000
C4 0.000 -1.395 0.000
C5 -1.208 -0.698 0.000
C6 -1.208 0.698 0.000
H7 0.000 2.482 0.000
H8 2.150 1.241 0.000
H9 2.150 -1.241 0.000
H10 0.000 -2.482 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
C11.39522.41662.79052.41661.39521.08712.15533.40183.87763.40182.1553
C21.39521.39522.41662.79052.41662.15531.08712.15533.40183.87763.4018
C32.41661.39521.39522.41662.79053.40182.15531.08712.15533.40183.8776
C42.79052.41661.39521.39522.41663.87763.40182.15531.08712.15533.4018
C52.41662.79052.41661.39521.39523.40183.87763.40182.15531.08712.1553
C61.39522.41662.79052.41661.39522.15533.40183.87763.40182.15531.0871
H71.08712.15533.40183.87763.40182.15532.48244.29964.96474.29962.4824
H82.15531.08712.15533.40183.87763.40182.48242.48244.29964.96474.2996
H93.40182.15531.08712.15533.40183.87764.29962.48242.48244.29964.9647
H103.87763.40182.15531.08712.15533.40184.96474.29962.48242.48244.2996
H113.40183.87763.40182.15531.08712.15534.29964.96474.29962.48242.4824
H122.15533.40183.87763.40182.15531.08712.48244.29964.96474.29962.4824

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