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All results from a given calculation for C6H6 (Benzene)

using model chemistry: MP2=FULL/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-231.521488
Energy at 298.15K-231.527734
HF Energy-230.720181
Nuclear repulsion energy202.006934
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/cc-pVDZ
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 3253 3091 0.00 392.74 0.11 0.19
2 A1g 1019 969 0.00 55.93 0.09 0.17
3 A2g 1359 1291 0.00 0.00 0.75 0.85
4 A2u 688 654 91.00 0.00 0.00 0.00
5 B1u 3215 3056 0.00 0.00 0.73 0.85
6 B1u 1007 957 0.00 0.00 0.58 0.74
7 B2g 966 918 0.00 0.00 0.75 0.86
8 B2g 638 606 0.00 0.00 0.75 0.86
9 B2u 1477 1403 0.00 0.00 0.75 0.86
10 B2u 1164 1107 0.00 0.00 0.75 0.86
11 E1g 862 819 0.00 3.48 0.75 0.86
11 E1g 862 819 0.00 3.48 0.75 0.86
12 E1u 3243 3082 29.22 0.00 0.75 0.86
12 E1u 3243 3082 29.22 0.00 0.53 0.69
13 E1u 1507 1432 7.66 0.00 0.00 0.00
13 E1u 1507 1432 7.66 0.00 0.00 0.00
14 E1u 1063 1010 4.48 0.00 0.00 0.00
14 E1u 1063 1010 4.48 0.00 0.00 0.00
15 E2g 3226 3066 0.00 135.69 0.75 0.86
15 E2g 3226 3066 0.00 135.69 0.75 0.86
16 E2g 1653 1571 0.00 8.52 0.75 0.86
16 E2g 1653 1571 0.00 8.52 0.75 0.86
17 E2g 1192 1133 0.00 8.51 0.75 0.86
17 E2g 1192 1133 0.00 8.51 0.75 0.86
18 E2g 606 576 0.00 3.68 0.75 0.86
18 E2g 606 576 0.00 3.68 0.75 0.86
19 E2u 958 910 0.00 0.00 0.00 0.00
19 E2u 958 910 0.00 0.00 0.75 0.86
20 E2u 402 382 0.00 0.00 0.00 0.00
20 E2u 402 382 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 22103.4 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 21007.1 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=FULL/cc-pVDZ
ABC
0.18751 0.18751 0.09376

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is D6h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.405 0.000
C2 1.216 0.702 0.000
C3 1.216 -0.702 0.000
C4 0.000 -1.405 0.000
C5 -1.216 -0.702 0.000
C6 -1.216 0.702 0.000
H7 0.000 2.499 0.000
H8 2.164 1.249 0.000
H9 2.164 -1.249 0.000
H10 0.000 -2.499 0.000
H11 -2.164 -1.249 0.000
H12 -2.164 1.249 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.40462.43282.80922.43281.40461.09422.16963.42443.90343.42442.1696
C21.40461.40462.43282.80922.43282.16961.09422.16963.42443.90343.4244
C32.43281.40461.40462.43282.80923.42442.16961.09422.16963.42443.9034
C42.80922.43281.40461.40462.43283.90343.42442.16961.09422.16963.4244
C52.43282.80922.43281.40461.40463.42443.90343.42442.16961.09422.1696
C61.40462.43282.80922.43281.40462.16963.42443.90343.42442.16961.0942
H71.09422.16963.42443.90343.42442.16962.49884.32804.99764.32802.4988
H82.16961.09422.16963.42443.90343.42442.49882.49884.32804.99764.3280
H93.42442.16961.09422.16963.42443.90344.32802.49882.49884.32804.9976
H103.90343.42442.16961.09422.16963.42444.99764.32802.49882.49884.3280
H113.42443.90343.42442.16961.09422.16964.32804.99764.32802.49882.4988
H122.16963.42443.90343.42442.16961.09422.49884.32804.99764.32802.4988

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