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All results from a given calculation for C6H6 (Benzene)

using model chemistry: MP2=FULL/cc-pVQZ

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-pVQZ
 hartrees
Energy at 0K-231.970537
Energy at 298.15K-231.976858
HF Energy-230.794587
Nuclear repulsion energy204.582074
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-pVQZ
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 3249 3110 0.00 408.27 0.09 0.17
2 A1g 1022 978 0.00 70.09 0.06 0.11
3 A2g 1377 1318 0.00 0.00 0.75 0.86
4 A2u 694 665 107.83 0.00 0.00 0.00
5 B1u 3212 3075 0.00 0.00 0.75 0.86
6 B1u 1014 971 0.00 0.00 0.19 0.31
7 B2g 993 951 0.00 0.00 0.75 0.86
8 B2g 703 673 0.00 0.00 0.75 0.86
9 B2u 1468 1405 0.00 0.00 0.75 0.86
10 B2u 1174 1124 0.00 0.00 0.75 0.86
11 E1g 869 831 0.00 0.03 0.75 0.86
11 E1g 869 831 0.00 0.03 0.75 0.86
12 E1u 3240 3101 22.03 0.00 0.10 0.17
12 E1u 3240 3101 22.03 0.00 0.09 0.17
13 E1u 1514 1449 7.46 0.00 0.00 0.00
13 E1u 1514 1449 7.46 0.00 0.00 0.00
14 E1u 1068 1022 4.96 0.00 0.00 0.00
14 E1u 1068 1022 4.96 0.00 0.00 0.00
15 E2g 3224 3086 0.00 119.39 0.75 0.86
15 E2g 3224 3086 0.00 119.39 0.75 0.86
16 E2g 1649 1579 0.00 8.73 0.75 0.86
16 E2g 1649 1579 0.00 8.73 0.75 0.86
17 E2g 1201 1150 0.00 5.97 0.75 0.86
17 E2g 1201 1150 0.00 5.97 0.75 0.86
18 E2g 610 584 0.00 3.26 0.75 0.86
18 E2g 610 584 0.00 3.26 0.75 0.86
19 E2u 977 935 0.00 0.00 0.00 0.00
19 E2u 977 935 0.00 0.00 0.00 0.00
20 E2u 408 390 0.00 0.00 0.00 0.00
20 E2u 408 390 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 22212.4 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 21259.4 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-pVQZ
ABC
0.19227 0.19227 0.09614

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

Point Group is D6h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.387 0.000
C2 1.202 0.694 0.000
C3 1.202 -0.694 0.000
C4 0.000 -1.387 0.000
C5 -1.202 -0.694 0.000
C6 -1.202 0.694 0.000
H7 0.000 2.466 0.000
H8 2.135 1.233 0.000
H9 2.135 -1.233 0.000
H10 0.000 -2.466 0.000
H11 -2.135 -1.233 0.000
H12 -2.135 1.233 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.38742.40302.77482.40301.38741.07832.14093.38013.85303.38012.1409
C21.38741.38742.40302.77482.40302.14091.07832.14093.38013.85303.3801
C32.40301.38741.38742.40302.77483.38012.14091.07832.14093.38013.8530
C42.77482.40301.38741.38742.40303.85303.38012.14091.07832.14093.3801
C52.40302.77482.40301.38741.38743.38013.85303.38012.14091.07832.1409
C61.38742.40302.77482.40301.38742.14093.38013.85303.38012.14091.0783
H71.07832.14093.38013.85303.38012.14092.46574.27064.93134.27062.4657
H82.14091.07832.14093.38013.85303.38012.46572.46574.27064.93134.2706
H93.38012.14091.07832.14093.38013.85304.27062.46572.46574.27064.9313
H103.85303.38012.14091.07832.14093.38014.93134.27062.46572.46574.2706
H113.38013.85303.38012.14091.07832.14094.27064.93134.27062.46572.4657
H122.14093.38013.85303.38012.14091.07832.46574.27064.93134.27062.4657

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