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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-231.535824
Energy at 298.15K-231.541980
HF Energy-230.713231
Nuclear repulsion energy203.570116
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 3286 3071 0.00 344.94 0.10 0.19
2 A1g 1030 962 0.00 50.70 0.10 0.19
3 A2g 1398 1306 0.00 0.00 0.40 0.58
4 A2u 693 648 87.96 0.00 0.00 0.00
5 B1u 3251 3038 0.00 0.00 0.72 0.84
6 B1u 1023 955 0.00 0.00 0.11 0.00
7 B2g 926 865 0.00 0.00 0.75 0.86
8 B2g 521 487 0.00 0.00 0.75 0.86
9 B2u 1469 1373 0.00 0.00 0.75 0.86
10 B2u 1203 1124 0.00 0.00 0.00 0.00
11 E1g 859 802 0.00 5.57 0.75 0.86
11 E1g 859 802 0.00 5.57 0.75 0.86
12 E1u 3276 3061 35.65 0.00 0.70 0.83
12 E1u 3276 3061 35.65 0.00 0.44 0.61
13 E1u 1544 1443 7.79 0.00 0.75 0.86
13 E1u 1544 1443 7.79 0.00 0.75 0.86
14 E1u 1084 1012 3.24 0.00 0.74 0.85
14 E1u 1084 1012 3.24 0.00 0.75 0.86
15 E2g 3261 3047 0.00 121.06 0.75 0.86
15 E2g 3261 3047 0.00 121.06 0.75 0.86
16 E2g 1678 1568 0.00 9.93 0.75 0.86
16 E2g 1678 1568 0.00 9.93 0.75 0.86
17 E2g 1226 1146 0.00 9.41 0.75 0.86
17 E2g 1226 1146 0.00 9.41 0.75 0.86
18 E2g 620 579 0.00 3.42 0.75 0.86
18 E2g 620 579 0.00 3.42 0.75 0.86
19 E2u 924 863 0.00 0.00 0.00 0.00
19 E2u 924 863 0.00 0.00 0.00 0.00
20 E2u 398 372 0.00 0.00 0.00 0.00
20 E2u 398 372 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 22268.9 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 20808.0 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 MP2=FULL/6-31G**
ABC
0.19033 0.19033 0.09516

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 0.697 0.000
C3 1.208 -0.697 0.000
C4 0.000 -1.395 0.000
C5 -1.208 -0.697 0.000
C6 -1.208 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
C11.39472.41572.78952.41571.39471.08172.15043.39593.87123.39592.1504
C21.39471.39472.41572.78952.41572.15041.08172.15043.39593.87123.3959
C32.41571.39471.39472.41572.78953.39592.15041.08172.15043.39593.8712
C42.78952.41571.39471.39472.41573.87123.39592.15041.08172.15043.3959
C52.41572.78952.41571.39471.39473.39593.87123.39592.15041.08172.1504
C61.39472.41572.78952.41571.39472.15043.39593.87123.39592.15041.0817
H71.08172.15043.39593.87123.39592.15042.47644.28934.95294.28932.4764
H82.15041.08172.15043.39593.87123.39592.47642.47644.28934.95294.2893
H93.39592.15041.08172.15043.39593.87124.28932.47642.47644.28934.9529
H103.87123.39592.15041.08172.15043.39594.95294.28932.47642.47644.2893
H113.39593.87123.39592.15041.08172.15044.28934.95294.28932.47642.4764
H122.15043.39593.87123.39592.15041.08172.47644.28934.95294.28932.4764

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