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All results from a given calculation for C6H6 (Benzene)

using model chemistry: MP2=FULL/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-231.557199
Energy at 298.15K-231.563334
HF Energy-230.725957
Nuclear repulsion energy201.786653
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/aug-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 3239 3139 0.00 427.35 0.09 0.16
2 A1g 1007 976 0.00 91.28 0.03 0.06
3 A2g 1323 1282 0.00 0.00 0.55 0.71
4 A2u 678 657 115.86 0.00 0.00 0.00
5 B1u 3202 3104 0.00 0.00 0.75 0.86
6 B1u 970 940 0.00 0.00 0.75 0.86
7 B2g 904 876 0.00 0.00 0.75 0.86
8 B2g 578 560 0.00 0.00 0.75 0.86
9 B2u 1474 1428 0.00 0.00 0.75 0.86
10 B2u 1155 1120 0.00 0.00 0.75 0.86
11 E1g 845 819 0.00 1.01 0.75 0.86
11 E1g 845 819 0.00 1.01 0.75 0.86
12 E1u 3229 3130 28.34 0.00 0.69 0.82
12 E1u 3229 3130 28.34 0.00 0.70 0.83
13 E1u 1469 1424 5.38 0.00 0.75 0.86
13 E1u 1469 1424 5.38 0.00 0.75 0.86
14 E1u 1052 1020 5.25 0.00 0.75 0.86
14 E1u 1052 1020 5.25 0.00 0.75 0.86
15 E2g 3213 3114 0.00 124.69 0.75 0.86
15 E2g 3213 3114 0.00 124.69 0.75 0.86
16 E2g 1624 1574 0.00 11.85 0.75 0.86
16 E2g 1624 1574 0.00 11.85 0.75 0.86
17 E2g 1183 1147 0.00 6.36 0.75 0.86
17 E2g 1183 1147 0.00 6.36 0.75 0.86
18 E2g 595 577 0.00 3.06 0.75 0.86
18 E2g 595 577 0.00 3.06 0.75 0.86
19 E2u 927 898 0.00 0.00 0.75 0.86
19 E2u 927 898 0.00 0.00 0.65 0.79
20 E2u 395 383 0.00 0.00 0.54 0.70
20 E2u 395 383 0.00 0.00 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 21798.2 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 21126.8 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/aug-cc-pVDZ
ABC
0.18705 0.18705 0.09353

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

Point Group is D6h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.407 0.000
C2 1.218 0.703 0.000
C3 1.218 -0.703 0.000
C4 0.000 -1.407 0.000
C5 -1.218 -0.703 0.000
C6 -1.218 0.703 0.000
H7 0.000 2.500 0.000
H8 2.165 1.250 0.000
H9 2.165 -1.250 0.000
H10 0.000 -2.500 0.000
H11 -2.165 -1.250 0.000
H12 -2.165 1.250 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.40662.43632.81332.43631.40661.09322.17053.42693.90643.42692.1705
C21.40661.40662.43632.81332.43632.17051.09322.17053.42693.90643.4269
C32.43631.40661.40662.43632.81333.42692.17051.09322.17053.42693.9064
C42.81332.43631.40661.40662.43633.90643.42692.17051.09322.17053.4269
C52.43632.81332.43631.40661.40663.42693.90643.42692.17051.09322.1705
C61.40662.43632.81332.43631.40662.17053.42693.90643.42692.17051.0932
H71.09322.17053.42693.90643.42692.17052.49984.32974.99964.32972.4998
H82.17051.09322.17053.42693.90643.42692.49982.49984.32974.99964.3297
H93.42692.17051.09322.17053.42693.90644.32972.49982.49984.32974.9996
H103.90643.42692.17051.09322.17053.42694.99964.32972.49982.49984.3297
H113.42693.90643.42692.17051.09322.17054.32974.99964.32972.49982.4998
H122.17053.42693.90643.42692.17051.09322.49984.32974.99964.32972.4998

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