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

using model chemistry: MP3=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3=FULL/6-311G*
 hartrees
Energy at 0K-231.554191
Energy at 298.15K 
HF Energy-230.604119
Nuclear repulsion energy208.363610
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 MP3=FULL/6-311G*
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 3258 3258 7.54      
2 A1 3157 3157 35.93      
3 A1 1650 1650 0.17      
4 A1 1211 1211 4.91      
5 A1 1068 1068 0.92      
6 A1 978 978 8.73      
7 A1 895 895 0.15      
8 A1 824 824 85.21      
9 A1 394 394 5.64      
10 A2 3225 3225 0.00      
11 A2 1326 1326 0.00      
12 A2 1235 1235 0.00      
13 A2 982 982 0.00      
14 A2 907 907 0.00      
15 A2 797 797 0.00      
16 A2 329 329 0.00      
17 B1 3256 3256 38.12      
18 B1 1624 1624 5.71      
19 B1 1259 1259 2.75      
20 B1 1125 1125 0.43      
21 B1 1032 1032 0.11      
22 B1 729 729 50.73      
23 B2 3226 3226 25.69      
24 B2 3149 3149 15.86      
25 B2 1318 1318 39.00      
26 B2 1191 1191 6.64      
27 B2 952 952 7.85      
28 B2 937 937 1.44      
29 B2 852 852 10.82      
30 B2 497 497 5.41      

Unscaled Zero Point Vibrational Energy (zpe) 21690.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21690.9 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 MP3=FULL/6-311G*
ABC
0.26019 0.14868 0.11610

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.787 0.528
C2 0.000 -0.787 0.528
H3 0.000 1.348 1.464
H4 0.000 -1.348 1.464
C5 -1.304 0.672 -0.266
C6 1.304 0.672 -0.266
C7 1.304 -0.672 -0.266
C8 -1.304 -0.672 -0.266
H9 -1.946 1.420 -0.717
H10 1.946 1.420 -0.717
H11 1.946 -1.420 -0.717
H12 -1.946 -1.420 -0.717

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.57371.09162.33121.53111.53112.11142.11142.39582.39583.19543.1954
C21.57372.33121.09162.11142.11141.53111.53113.19543.19542.39582.3958
H31.09162.33122.69622.26982.26982.96212.96212.92432.92434.02634.0263
H42.33121.09162.69622.96212.96212.26982.26984.02634.02632.92432.9243
C51.53112.11142.26982.96212.60802.93361.34321.08473.36593.89172.2344
C61.53112.11142.26982.96212.60801.34322.93363.36591.08472.23443.8917
C72.11141.53112.96212.26982.93361.34322.60803.89172.23441.08473.3659
C82.11141.53112.96212.26981.34322.93362.60802.23443.89173.36591.0847
H92.39583.19542.92434.02631.08473.36593.89172.23443.89294.81922.8408
H102.39583.19542.92434.02633.36591.08472.23443.89173.89292.84084.8192
H113.19542.39584.02632.92433.89172.23441.08473.36594.81922.84083.8929
H123.19542.39584.02632.92432.23443.89173.36591.08472.84084.81923.8929

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 120.944 C1 C2 H7 85.684
C1 C2 H8 85.684 C1 C5 H8 94.316
C1 C5 H9 131.915 C1 C6 H7 94.316
C1 C6 H10 131.915 C2 C1 C3 120.944
C2 C1 C5 85.684 C2 C1 C6 85.684
C2 H7 C6 94.316 C2 H7 H11 131.915
C2 H8 C5 94.316 C2 H8 H12 131.915
C3 C1 C5 118.915 C3 C1 C6 118.915
C4 C2 H7 118.915 C4 C2 H8 118.915
C5 C1 C6 116.789 C5 H8 H12 133.652
C6 H7 H11 133.652 H7 C6 H10 133.652
H8 C5 H9 133.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability