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All results from a given calculation for C6H6 (Benzene)

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

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/6-31+G**
 hartrees
Energy at 0K-231.550169
Energy at 298.15K-231.556001
HF Energy-230.721126
Nuclear repulsion energy203.251004
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/6-31+G**
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 3280 3081 0.00 406.26 0.11 0.20
2 A1g 1021 959 0.00 79.42 0.03 0.06
3 A2g 1394 1310 0.00 0.00 0.40 0.58
4 A2u 680 639 137.50 0.00 0.00 0.00
5 B1u 3245 3048 0.00 0.00 0.62 0.77
6 B1u 1017 955 0.00 0.00 0.03 0.06
7 B2g 888 834 0.00 0.00 0.75 0.86
8 B2g 265 248 0.00 0.00 0.75 0.86
9 B2u 1468 1379 0.00 0.00 0.75 0.86
10 B2u 1197 1125 0.00 0.00 0.00 0.00
11 E1g 844 793 0.00 1.24 0.75 0.86
11 E1g 844 793 0.00 1.24 0.75 0.86
12 E1u 3271 3072 33.99 0.00 0.73 0.84
12 E1u 3271 3072 33.99 0.00 0.45 0.62
13 E1u 1534 1440 6.21 0.00 0.00 0.00
13 E1u 1534 1440 6.21 0.00 0.00 0.00
14 E1u 1077 1011 5.58 0.00 0.00 0.00
14 E1u 1077 1011 5.58 0.00 0.00 0.00
15 E2g 3255 3057 0.00 125.72 0.75 0.86
15 E2g 3255 3057 0.00 125.72 0.75 0.86
16 E2g 1665 1564 0.00 12.24 0.75 0.86
16 E2g 1665 1564 0.00 12.24 0.75 0.86
17 E2g 1220 1146 0.00 5.51 0.75 0.86
17 E2g 1220 1146 0.00 5.51 0.75 0.86
18 E2g 617 580 0.00 4.67 0.75 0.86
18 E2g 617 580 0.00 4.67 0.75 0.86
19 E2u 908 853 0.00 0.00 0.00 0.00
19 E2u 908 853 0.00 0.00 0.00 0.00
20 E2u 380 357 0.00 0.00 0.00 0.00
20 E2u 380 357 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 21998.9 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 20661.3 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/6-31+G**
ABC
0.18970 0.18970 0.09485

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

Point Group is D6h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.397 0.000
C2 1.210 0.699 0.000
C3 1.210 -0.699 0.000
C4 0.000 -1.397 0.000
C5 -1.210 -0.699 0.000
C6 -1.210 0.699 0.000
H7 0.000 2.479 0.000
H8 2.147 1.240 0.000
H9 2.147 -1.240 0.000
H10 0.000 -2.479 0.000
H11 -2.147 -1.240 0.000
H12 -2.147 1.240 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.39722.42002.79442.42001.39721.08222.15303.40063.87663.40062.1530
C21.39721.39722.42002.79442.42002.15301.08222.15303.40063.87663.4006
C32.42001.39721.39722.42002.79443.40062.15301.08222.15303.40063.8766
C42.79442.42001.39721.39722.42003.87663.40062.15301.08222.15303.4006
C52.42002.79442.42001.39721.39723.40063.87663.40062.15301.08222.1530
C61.39722.42002.79442.42001.39722.15303.40063.87663.40062.15301.0822
H71.08222.15303.40063.87663.40062.15302.47944.29454.95894.29452.4794
H82.15301.08222.15303.40063.87663.40062.47942.47944.29454.95894.2945
H93.40062.15301.08222.15303.40063.87664.29452.47942.47944.29454.9589
H103.87663.40062.15301.08222.15303.40064.95894.29452.47942.47944.2945
H113.40063.87663.40062.15301.08222.15304.29454.95894.29452.47942.4794
H122.15303.40063.87663.40062.15301.08222.47944.29454.95894.29452.4794

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