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All results from a given calculation for C6H6 (Dewar Benzene)

using model chemistry: MP2=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/TZVP
 hartrees
Energy at 0K-231.569110
Energy at 298.15K 
HF Energy-230.632013
Nuclear repulsion energy209.147063
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3263 3109 7.31 294.72 0.03 0.06
2 A1 3165 3015 23.15 150.83 0.11 0.20
3 A1 1592 1516 0.14 23.04 0.01 0.02
4 A1 1182 1126 4.19 26.13 0.12 0.22
5 A1 1044 995 2.42 6.42 0.75 0.85
6 A1 967 921 6.87 9.20 0.22 0.37
7 A1 876 835 2.09 4.99 0.73 0.84
8 A1 827 788 77.96 6.30 0.03 0.05
9 A1 402 383 4.81 6.93 0.57 0.73
10 A2 3229 3077 0.00 152.90 0.75 0.86
11 A2 1300 1239 0.00 3.84 0.75 0.86
12 A2 1212 1155 0.00 10.06 0.75 0.86
13 A2 975 929 0.00 0.58 0.75 0.86
14 A2 882 840 0.00 0.89 0.75 0.86
15 A2 772 735 0.00 1.98 0.75 0.86
16 A2 305 290 0.00 1.67 0.75 0.86
17 B1 3261 3107 35.28 60.09 0.75 0.86
18 B1 1568 1494 9.15 0.69 0.75 0.86
19 B1 1223 1165 2.24 1.43 0.75 0.86
20 B1 1118 1065 0.45 0.02 0.75 0.86
21 B1 1026 977 0.10 6.55 0.75 0.86
22 B1 737 702 50.17 2.74 0.75 0.86
23 B2 3231 3078 18.77 43.03 0.75 0.86
24 B2 3157 3008 11.04 108.01 0.75 0.86
25 B2 1313 1251 33.56 0.02 0.75 0.86
26 B2 1169 1114 6.79 0.27 0.75 0.86
27 B2 932 888 7.07 0.07 0.75 0.86
28 B2 903 860 6.87 0.88 0.75 0.86
29 B2 830 791 6.27 0.33 0.75 0.86
30 B2 476 453 4.26 3.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21467.1 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 20451.7 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/TZVP
ABC
0.26094 0.15063 0.11706

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.787 0.523
C2 0.000 -0.787 0.523
H3 0.000 1.345 1.457
H4 0.000 -1.345 1.457
C5 -1.295 0.672 -0.265
C6 1.295 0.672 -0.265
C7 1.295 -0.672 -0.265
C8 -1.295 -0.672 -0.265
H9 -1.937 1.421 -0.709
H10 1.937 1.421 -0.709
H11 1.937 -1.421 -0.709
H12 -1.937 -1.421 -0.709

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.57401.08792.32761.52071.52072.10452.10452.38182.38183.18533.1853
C21.57402.32761.08792.10452.10451.52071.52073.18533.18532.38182.3818
H31.08792.32762.69012.25752.25752.95192.95192.90722.90724.01204.0120
H42.32761.08792.69012.95192.95192.25752.25754.01204.01202.90722.9072
C51.52072.10452.25752.95192.59062.91881.34471.08143.34743.87632.2340
C61.52072.10452.25752.95192.59061.34472.91883.34741.08142.23403.8763
C72.10451.52072.95192.25752.91881.34472.59063.87632.23401.08143.3474
C82.10451.52072.95192.25751.34472.91882.59062.23403.87633.34741.0814
H92.38183.18532.90724.01201.08143.34743.87632.23403.87384.80432.8417
H102.38183.18532.90724.01203.34741.08142.23403.87633.87382.84174.8043
H113.18532.38184.01202.90723.87632.23401.08143.34744.80432.84173.8738
H123.18532.38184.01202.90722.23403.87633.34741.08142.84174.80433.8738

picture of Dewar Benzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 120.860 C1 C2 H7 85.676
C1 C2 H8 85.676 C1 C5 H8 94.324
C1 C5 H9 131.779 C1 C6 H7 94.324
C1 C6 H10 131.779 C2 C1 C3 120.860
C2 C1 C5 85.676 C2 C1 C6 85.676
C2 H7 C6 94.324 C2 H7 H11 131.779
C2 H8 C5 94.324 C2 H8 H12 131.779
C3 C1 C5 118.929 C3 C1 C6 118.929
C4 C2 H7 118.929 C4 C2 H8 118.929
C5 C1 C6 116.810 C5 H8 H12 133.800
C6 H7 H11 133.800 H7 C6 H10 133.800
H8 C5 H9 133.800
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability