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All results from a given calculation for C6H6 (Benzene)

using model chemistry: MP2/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/cc-pVDZ
 hartrees
Energy at 0K-231.506454
Energy at 298.15K-231.512688
HF Energy-230.719848
Nuclear repulsion energy201.838717
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/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 3247 3093 0.00 394.54 0.11 0.19
2 A1g 1017 969 0.00 56.12 0.09 0.17
3 A2g 1359 1294 0.00 0.00 0.75 0.85
4 A2u 686 653 90.93 0.00 0.00 0.00
5 B1u 3210 3057 0.00 0.00 0.73 0.85
6 B1u 1007 959 0.00 0.00 0.55 0.71
7 B2g 962 916 0.00 0.00 0.75 0.86
8 B2g 634 604 0.00 0.00 0.75 0.86
9 B2u 1473 1403 0.00 0.00 0.75 0.86
10 B2u 1163 1108 0.00 0.00 0.75 0.86
11 E1g 859 818 0.00 3.52 0.75 0.86
11 E1g 859 818 0.00 3.52 0.75 0.86
12 E1u 3237 3083 29.73 0.00 0.75 0.86
12 E1u 3237 3083 29.73 0.00 0.53 0.69
13 E1u 1505 1434 7.62 0.00 0.00 0.00
13 E1u 1505 1434 7.62 0.00 0.00 0.00
14 E1u 1061 1011 4.41 0.00 0.00 0.00
14 E1u 1061 1011 4.41 0.00 0.00 0.00
15 E2g 3221 3068 0.00 136.48 0.75 0.86
15 E2g 3221 3068 0.00 136.48 0.75 0.86
16 E2g 1650 1571 0.00 8.58 0.75 0.86
16 E2g 1650 1571 0.00 8.58 0.75 0.86
17 E2g 1191 1134 0.00 8.55 0.75 0.86
17 E2g 1191 1134 0.00 8.55 0.75 0.86
18 E2g 606 577 0.00 3.69 0.75 0.86
18 E2g 606 577 0.00 3.69 0.75 0.86
19 E2u 954 908 0.00 0.00 0.00 0.00
19 E2u 954 908 0.00 0.00 0.75 0.86
20 E2u 401 382 0.00 0.00 0.00 0.00
20 E2u 401 382 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 22061.5 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 21013.6 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/cc-pVDZ
ABC
0.18720 0.18720 0.09360

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

Point Group is D6h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.406 0.000
C2 1.217 0.703 0.000
C3 1.217 -0.703 0.000
C4 0.000 -1.406 0.000
C5 -1.217 -0.703 0.000
C6 -1.217 0.703 0.000
H7 0.000 2.501 0.000
H8 2.166 1.250 0.000
H9 2.166 -1.250 0.000
H10 0.000 -2.501 0.000
H11 -2.166 -1.250 0.000
H12 -2.166 1.250 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.40572.43482.81152.43481.40571.09522.17143.42733.90673.42732.1714
C21.40571.40572.43482.81152.43482.17141.09522.17143.42733.90673.4273
C32.43481.40571.40572.43482.81153.42732.17141.09522.17143.42733.9067
C42.81152.43481.40571.40572.43483.90673.42732.17141.09522.17143.4273
C52.43482.81152.43481.40571.40573.42733.90673.42732.17141.09522.1714
C61.40572.43482.81152.43481.40572.17143.42733.90673.42732.17141.0952
H71.09522.17143.42733.90673.42732.17142.50094.33175.00184.33172.5009
H82.17141.09522.17143.42733.90673.42732.50092.50094.33175.00184.3317
H93.42732.17141.09522.17143.42733.90674.33172.50092.50094.33175.0018
H103.90673.42732.17141.09522.17143.42735.00184.33172.50092.50094.3317
H113.42733.90673.42732.17141.09522.17144.33175.00184.33172.50092.5009
H122.17143.42733.90673.42732.17141.09522.50094.33175.00184.33172.5009

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