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All results from a given calculation for C6H6 (Benzene)

using model chemistry: MP2/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-231.744662
Energy at 298.15K-231.750883
HF Energy-230.781229
Nuclear repulsion energy203.618169
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/aug-cc-pVTZ
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 3231 3079 0.00 418.45 0.09 0.16
2 A1g 1011 964 0.00 89.07 0.03 0.06
3 A2g 1362 1298 0.00 0.00 0.51 0.68
4 A2u 687 655 110.46 0.00 0.00 0.00
5 B1u 3193 3042 0.00 0.00 0.75 0.86
6 B1u 1020 972 0.00 0.00 0.30 0.46
7 B2g 961 915 0.00 0.00 0.75 0.86
8 B2g 633 603 0.00 0.00 0.75 0.86
9 B2u 1459 1390 0.00 0.00 0.75 0.86
10 B2u 1162 1107 0.00 0.00 0.75 0.86
11 E1g 856 816 0.00 1.00 0.75 0.86
11 E1g 856 816 0.00 1.00 0.75 0.86
12 E1u 3221 3069 23.55 0.00 0.23 0.38
12 E1u 3221 3069 23.55 0.00 0.10 0.19
13 E1u 1498 1427 5.98 0.00 0.00 0.00
13 E1u 1498 1427 5.98 0.00 0.00 0.00
14 E1u 1058 1008 4.95 0.00 0.72 0.84
14 E1u 1058 1008 4.95 0.00 0.64 0.78
15 E2g 3204 3053 0.00 121.14 0.75 0.86
15 E2g 3204 3053 0.00 121.14 0.75 0.86
16 E2g 1631 1554 0.00 11.81 0.75 0.86
16 E2g 1631 1554 0.00 11.81 0.75 0.86
17 E2g 1190 1134 0.00 5.71 0.75 0.86
17 E2g 1190 1134 0.00 5.71 0.75 0.86
18 E2g 605 576 0.00 2.53 0.75 0.86
18 E2g 605 576 0.00 2.53 0.75 0.86
19 E2u 953 909 0.00 0.00 0.28 0.44
19 E2u 953 909 0.00 0.00 0.39 0.56
20 E2u 390 372 0.00 0.00 0.00 0.00
20 E2u 390 372 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 21965.1 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 20930.6 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 MP2/aug-cc-pVTZ
ABC
0.19044 0.19044 0.09522

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is D6h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.394 0.000
C2 1.207 0.697 0.000
C3 1.207 -0.697 0.000
C4 0.000 -1.394 0.000
C5 -1.207 -0.697 0.000
C6 -1.207 0.697 0.000
H7 0.000 2.476 0.000
H8 2.145 1.238 0.000
H9 2.145 -1.238 0.000
H10 0.000 -2.476 0.000
H11 -2.145 -1.238 0.000
H12 -2.145 1.238 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.39422.41492.78852.41491.39421.08222.15033.39553.87073.39552.1503
C21.39421.39422.41492.78852.41492.15031.08222.15033.39553.87073.3955
C32.41491.39421.39422.41492.78853.39552.15031.08222.15033.39553.8707
C42.78852.41491.39421.39422.41493.87073.39552.15031.08222.15033.3955
C52.41492.78852.41491.39421.39423.39553.87073.39552.15031.08222.1503
C61.39422.41492.78852.41491.39422.15033.39553.87073.39552.15031.0822
H71.08222.15033.39553.87073.39552.15032.47644.28934.95294.28932.4764
H82.15031.08222.15033.39553.87073.39552.47642.47644.28934.95294.2893
H93.39552.15031.08222.15033.39553.87074.28932.47642.47644.28934.9529
H103.87073.39552.15031.08222.15033.39554.95294.28932.47642.47644.2893
H113.39553.87073.39552.15031.08222.15034.28934.95294.28932.47642.4764
H122.15033.39553.87073.39552.15031.08222.47644.28934.95294.28932.4764

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