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All results from a given calculation for C6H6 (Benzene)

using model chemistry: MP2=FULL/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-231.853551
Energy at 298.15K-231.859579
HF Energy-230.774866
Nuclear repulsion energy204.125245
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/6-311+G(3df,2p)
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 3057 0.00 404.92 0.09 0.17
2 A1g 1016 958 0.00 84.08 0.03 0.06
3 A2g 1362 1284 0.00 0.00 0.56 0.72
4 A2u 689 649 110.93 0.00 0.00 0.00
5 B1u 3191 3008 0.00 0.00 0.71 0.83
6 B1u 553 521 0.00 0.00 0.75 0.86
7 B2g 985 929 0.00 0.00 0.75 0.86
8 B2g 588 554 0.00 0.00 0.75 0.86
9 B2u 1467 1383 0.00 0.00 0.75 0.86
10 B2u 1171 1104 0.00 0.00 0.00 0.00
11 E1g 865 816 0.00 1.34 0.75 0.86
11 E1g 865 816 0.00 1.34 0.75 0.86
12 E1u 3233 3048 21.88 0.00 0.74 0.85
12 E1u 3233 3048 21.88 0.00 0.44 0.61
13 E1u 1502 1416 6.36 0.00 0.75 0.00
13 E1u 1502 1416 6.36 0.00 0.75 0.86
14 E1u 1064 1003 5.34 0.00 0.00 0.00
14 E1u 1064 1003 5.34 0.00 0.75 0.86
15 E2g 3215 3031 0.00 117.44 0.75 0.86
15 E2g 3215 3031 0.00 117.44 0.75 0.86
16 E2g 1636 1542 0.00 10.69 0.75 0.86
16 E2g 1636 1542 0.00 10.69 0.75 0.86
17 E2g 1197 1129 0.00 5.70 0.75 0.86
17 E2g 1197 1129 0.00 5.70 0.75 0.86
18 E2g 585 551 0.00 3.28 0.75 0.86
18 E2g 585 551 0.00 3.28 0.75 0.86
19 E2u 978 922 0.00 0.00 0.73 0.84
19 E2u 978 922 0.00 0.00 0.70 0.82
20 E2u 398 375 0.00 0.00 0.64 0.78
20 E2u 398 375 0.00 0.00 0.47 0.64

Unscaled Zero Point Vibrational Energy (zpe) 21803.5 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 20554.1 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/6-311+G(3df,2p)
ABC
0.19143 0.19143 0.09571

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311+G(3df,2p)

Point Group is D6h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.390 0.000
C2 1.204 0.695 0.000
C3 1.204 -0.695 0.000
C4 0.000 -1.390 0.000
C5 -1.204 -0.695 0.000
C6 -1.204 0.695 0.000
H7 0.000 2.472 0.000
H8 2.140 1.236 0.000
H9 2.140 -1.236 0.000
H10 0.000 -2.472 0.000
H11 -2.140 -1.236 0.000
H12 -2.140 1.236 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.39042.40822.78082.40821.39041.08112.14603.38793.86193.38792.1460
C21.39041.39042.40822.78082.40822.14601.08112.14603.38793.86193.3879
C32.40821.39041.39042.40822.78083.38792.14601.08112.14603.38793.8619
C42.78082.40821.39041.39042.40823.86193.38792.14601.08112.14603.3879
C52.40822.78082.40821.39041.39043.38793.86193.38792.14601.08112.1460
C61.39042.40822.78082.40821.39042.14603.38793.86193.38792.14601.0811
H71.08112.14603.38793.86193.38792.14602.47154.28084.94314.28082.4715
H82.14601.08112.14603.38793.86193.38792.47152.47154.28084.94314.2808
H93.38792.14601.08112.14603.38793.86194.28082.47152.47154.28084.9431
H103.86193.38792.14601.08112.14603.38794.94314.28082.47152.47154.2808
H113.38793.86193.38792.14601.08112.14604.28084.94314.28082.47152.4715
H122.14603.38793.86193.38792.14601.08112.47154.28084.94314.28082.4715

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