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All results from a given calculation for C6H6 (Benzene)

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-31+G**
 hartrees
Energy at 0K-232.017043
Energy at 298.15K-232.023294
HF Energy-231.742999
Nuclear repulsion energy203.141921
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/6-31+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 3243 3084 0.00 421.33 0.12 0.22
2 A1g 1016 966 0.00 80.90 0.03 0.06
3 A2g 1390 1322 0.00 0.00 0.75 0.86
4 A2u 688 655 130.06 0.00 0.00 0.00
5 B1u 3208 3051 0.00 0.00 0.52 0.69
6 B1u 1020 970 0.00 0.00 0.03 0.06
7 B2g 964 917 0.00 0.00 0.75 0.86
8 B2g 631 600 0.00 0.00 0.75 0.86
9 B2u 1381 1313 0.00 0.00 0.00 0.00
10 B2u 1187 1129 0.00 0.00 0.00 0.00
11 E1g 860 818 0.00 1.26 0.75 0.86
11 E1g 860 818 0.00 1.26 0.75 0.86
12 E1u 3234 3075 39.34 0.00 0.00 0.00
12 E1u 3234 3075 39.34 0.00 0.00 0.00
13 E1u 1526 1451 6.23 0.00 0.00 0.00
13 E1u 1526 1451 6.24 0.00 0.00 0.00
14 E1u 1068 1016 5.73 0.00 0.00 0.00
14 E1u 1068 1016 5.73 0.00 0.00 0.00
15 E2g 3218 3060 0.00 135.35 0.75 0.86
15 E2g 3218 3060 0.00 135.36 0.75 0.86
16 E2g 1653 1572 0.00 13.41 0.75 0.86
16 E2g 1653 1572 0.00 13.42 0.75 0.86
17 E2g 1209 1150 0.00 5.59 0.75 0.86
17 E2g 1209 1150 0.00 5.59 0.75 0.86
18 E2g 620 590 0.00 4.76 0.75 0.86
18 E2g 620 590 0.00 4.76 0.75 0.86
19 E2u 963 916 0.00 0.00 0.00 0.00
19 E2u 963 916 0.00 0.00 0.00 0.00
20 E2u 404 384 0.00 0.00 0.00 0.00
20 E2u 404 384 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 22119.5 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 21035.7 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/6-31+G**
ABC
0.18952 0.18952 0.09476

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

Point Group is D6h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.398 0.000
C2 1.210 0.699 0.000
C3 1.210 -0.699 0.000
C4 0.000 -1.398 0.000
C5 -1.210 -0.699 0.000
C6 -1.210 0.699 0.000
H7 0.000 2.482 0.000
H8 2.149 1.241 0.000
H9 2.149 -1.241 0.000
H10 0.000 -2.482 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
C11.39772.42092.79542.42091.39771.08382.15483.40293.87923.40292.1548
C21.39771.39772.42092.79542.42092.15481.08382.15483.40293.87923.4029
C32.42091.39771.39772.42092.79543.40292.15481.08382.15483.40293.8792
C42.79542.42091.39771.39772.42093.87923.40292.15481.08382.15483.4029
C52.42092.79542.42091.39771.39773.40293.87923.40292.15481.08382.1548
C61.39772.42092.79542.42091.39772.15483.40293.87923.40292.15481.0838
H71.08382.15483.40293.87923.40292.15482.48154.29814.96304.29812.4815
H82.15481.08382.15483.40293.87923.40292.48152.48154.29814.96304.2981
H93.40292.15481.08382.15483.40293.87924.29812.48152.48154.29814.9630
H103.87923.40292.15481.08382.15483.40294.96304.29812.48152.48154.2981
H113.40293.87923.40292.15481.08382.15484.29814.96304.29812.48152.4815
H122.15483.40293.87923.40292.15481.08382.48154.29814.96304.29812.4815

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