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All results from a given calculation for C6H6 (Benzene)

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-31G*
 hartrees
Energy at 0K-231.984078
Energy at 298.15K-231.990359
HF Energy-231.723722
Nuclear repulsion energy203.323402
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/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 3239 3072 0.00 365.65 0.10 0.19
2 A1g 1024 971 0.00 51.24 0.10 0.19
3 A2g 1396 1324 0.00 0.00 0.75 0.86
4 A2u 696 660 85.82 0.00 0.00 0.00
5 B1u 3204 3039 0.00 0.00 0.00 0.00
6 B1u 1025 972 0.00 0.00 0.00 0.00
7 B2g 974 924 0.00 0.00 0.75 0.86
8 B2g 680 645 0.00 0.00 0.75 0.86
9 B2u 1382 1311 0.00 0.00 0.00 0.00
10 B2u 1198 1136 0.00 0.00 0.00 0.00
11 E1g 864 820 0.00 5.68 0.75 0.86
11 E1g 864 820 0.00 5.68 0.75 0.86
12 E1u 3229 3063 45.70 0.00 0.68 0.81
12 E1u 3229 3063 45.71 0.00 0.00 0.00
13 E1u 1540 1461 7.77 0.00 0.00 0.00
13 E1u 1540 1461 7.78 0.00 0.00 0.00
14 E1u 1077 1021 3.31 0.00 0.00 0.00
14 E1u 1077 1021 3.31 0.00 0.00 0.00
15 E2g 3214 3048 0.00 131.32 0.75 0.86
15 E2g 3214 3048 0.00 131.32 0.75 0.86
16 E2g 1666 1580 0.00 10.98 0.75 0.86
16 E2g 1666 1580 0.00 10.98 0.75 0.86
17 E2g 1220 1157 0.00 9.50 0.75 0.86
17 E2g 1220 1157 0.00 9.50 0.75 0.86
18 E2g 623 591 0.00 3.54 0.75 0.86
18 E2g 623 591 0.00 3.54 0.75 0.86
19 E2u 954 905 0.00 0.00 0.00 0.00
19 E2u 954 905 0.00 0.00 0.00 0.00
20 E2u 412 391 0.00 0.00 0.00 0.00
20 E2u 412 391 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 22207.9 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 21062.0 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/6-31G*
ABC
0.18993 0.18993 0.09496

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

Point Group is D6h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.396 0.000
C2 1.209 0.698 0.000
C3 1.209 -0.698 0.000
C4 0.000 -1.396 0.000
C5 -1.209 -0.698 0.000
C6 -1.209 0.698 0.000
H7 0.000 2.481 0.000
H8 2.149 1.241 0.000
H9 2.149 -1.241 0.000
H10 0.000 -2.481 0.000
H11 -2.149 -1.241 0.000
H12 -2.149 1.241 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.39592.41772.79172.41771.39591.08552.15453.40133.87723.40132.1545
C21.39591.39592.41772.79172.41772.15451.08552.15453.40133.87723.4013
C32.41771.39591.39592.41772.79173.40132.15451.08552.15453.40133.8772
C42.79172.41771.39591.39592.41773.87723.40132.15451.08552.15453.4013
C52.41772.79172.41771.39591.39593.40133.87723.40132.15451.08552.1545
C61.39592.41772.79172.41771.39592.15453.40133.87723.40132.15451.0855
H71.08552.15453.40133.87723.40132.15452.48134.29784.96274.29782.4813
H82.15451.08552.15453.40133.87723.40132.48132.48134.29784.96274.2978
H93.40132.15451.08552.15453.40133.87724.29782.48132.48134.29784.9627
H103.87723.40132.15451.08552.15453.40134.96274.29782.48132.48134.2978
H113.40133.87723.40132.15451.08552.15454.29784.96274.29782.48132.4813
H122.15453.40133.87723.40132.15451.08552.48134.29784.96274.29782.4813

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