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All results from a given calculation for C6H6 (Benzene)

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-231.130699
Energy at 298.15K-231.136771
HF Energy-230.633653
Nuclear repulsion energy199.365453
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/LANL2DZ
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 3214 3095 0.00 338.58 0.09 0.17
2 A1g 971 935 0.00 65.69 0.14 0.24
3 A2g 1391 1340 0.00 0.00 0.42 0.59
4 A2u 658 633 167.08 0.00 0.00 0.00
5 B1u 3159 3042 0.00 0.00 0.00 0.00
6 B1u 1028 991 0.00 0.00 0.00 0.00
7 B2g 889 856 0.00 0.00 0.75 0.86
8 B2g 651 627 0.00 0.00 0.75 0.86
9 B2u 1362 1312 0.00 0.00 0.00 0.00
10 B2u 1192 1148 0.00 0.00 0.00 0.00
11 E1g 804 774 0.00 0.12 0.75 0.86
11 E1g 804 774 0.00 0.12 0.75 0.86
12 E1u 3196 3078 65.46 0.00 0.00 0.00
12 E1u 3196 3078 65.46 0.00 0.00 0.00
13 E1u 1492 1437 9.17 0.00 0.00 0.00
13 E1u 1492 1437 9.17 0.00 0.00 0.00
14 E1u 1041 1003 7.17 0.00 0.00 0.00
14 E1u 1041 1003 7.17 0.00 0.00 0.00
15 E2g 3172 3054 0.00 94.85 0.75 0.86
15 E2g 3172 3054 0.00 94.85 0.75 0.86
16 E2g 1601 1542 0.00 11.70 0.75 0.86
16 E2g 1601 1542 0.00 11.70 0.75 0.86
17 E2g 1215 1170 0.00 6.01 0.75 0.86
17 E2g 1215 1170 0.00 6.01 0.75 0.86
18 E2g 615 593 0.00 6.75 0.75 0.86
18 E2g 615 593 0.00 6.75 0.75 0.86
19 E2u 864 832 0.00 0.00 0.00 0.00
19 E2u 864 832 0.00 0.00 0.00 0.00
20 E2u 389 375 0.00 0.00 0.00 0.00
20 E2u 389 375 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 21645.8 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 20847.1 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/LANL2DZ
ABC
0.18232 0.18232 0.09116

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is D6h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.426 0.000
C2 1.235 0.713 0.000
C3 1.235 -0.713 0.000
C4 0.000 -1.426 0.000
C5 -1.235 -0.713 0.000
C6 -1.235 0.713 0.000
H7 0.000 2.521 0.000
H8 2.183 1.261 0.000
H9 2.183 -1.261 0.000
H10 0.000 -2.521 0.000
H11 -2.183 -1.261 0.000
H12 -2.183 1.261 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.42642.47062.85282.47061.42641.09482.18973.46223.94763.46222.1897
C21.42641.42642.47062.85282.47062.18971.09482.18973.46223.94763.4622
C32.47061.42641.42642.47062.85283.46222.18971.09482.18973.46223.9476
C42.85282.47061.42641.42642.47063.94763.46222.18971.09482.18973.4622
C52.47062.85282.47061.42641.42643.46223.94763.46222.18971.09482.1897
C61.42642.47062.85282.47061.42642.18973.46223.94763.46222.18971.0948
H71.09482.18973.46223.94763.46222.18972.52124.36685.04244.36682.5212
H82.18971.09482.18973.46223.94763.46222.52122.52124.36685.04244.3668
H93.46222.18971.09482.18973.46223.94764.36682.52122.52124.36685.0424
H103.94763.46222.18971.09482.18973.46225.04244.36682.52122.52124.3668
H113.46223.94763.46222.18971.09482.18974.36685.04244.36682.52122.5212
H122.18973.46223.94763.46222.18971.09482.52124.36685.04244.36682.5212

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability