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

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-231.423995
Energy at 298.15K 
HF Energy-230.581461
Nuclear repulsion energy208.533346
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 MP3/6-31+G**
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 3318 3088 7.71      
2 A1 3205 2982 31.51      
3 A1 1667 1551 0.19      
4 A1 1221 1137 3.60      
5 A1 1083 1008 0.84      
6 A1 982 914 10.74      
7 A1 897 835 0.11      
8 A1 828 770 91.06      
9 A1 396 368 6.32      
10 A2 3286 3057 0.00      
11 A2 1346 1252 0.00      
12 A2 1252 1165 0.00      
13 A2 992 923 0.00      
14 A2 916 852 0.00      
15 A2 797 742 0.00      
16 A2 324 301 0.00      
17 B1 3316 3086 37.09      
18 B1 1640 1526 11.57      
19 B1 1272 1183 4.58      
20 B1 1141 1062 0.10      
21 B1 1043 970 0.18      
22 B1 733 682 51.75      
23 B2 3287 3059 24.23      
24 B2 3197 2975 17.65      
25 B2 1346 1252 34.21      
26 B2 1208 1124 7.05      
27 B2 958 891 8.05      
28 B2 936 871 2.33      
29 B2 857 797 8.55      
30 B2 498 464 4.74      

Unscaled Zero Point Vibrational Energy (zpe) 21970.2 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 20443.3 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 MP3/6-31+G**
ABC
0.26101 0.14882 0.11600

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.786 0.524
C2 0.000 -0.786 0.524
H3 0.000 1.349 1.455
H4 0.000 -1.349 1.455
C5 -1.305 0.672 -0.265
C6 1.305 0.672 -0.265
C7 1.305 -0.672 -0.265
C8 -1.305 -0.672 -0.265
H9 -1.946 1.418 -0.711
H10 1.946 1.418 -0.711
H11 1.946 -1.418 -0.711
H12 -1.946 -1.418 -0.711

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.57261.08732.32901.52921.52922.11042.11042.38982.38983.18943.1894
C21.57262.32901.08732.11042.11041.52921.52923.18943.18942.38982.3898
H31.08732.32902.69742.26212.26212.95722.95722.91242.91244.01674.0167
H42.32901.08732.69742.95722.95722.26212.26214.01674.01672.91242.9124
C51.52922.11042.26212.95722.61012.93621.34491.07983.36483.89062.2318
C61.52922.11042.26212.95722.61011.34492.93623.36481.07982.23183.8906
C72.11041.52922.95722.26212.93621.34492.61013.89062.23181.07983.3648
C82.11041.52922.95722.26211.34492.93622.61012.23183.89063.36481.0798
H92.38983.18942.91244.01671.07983.36483.89062.23183.89104.81522.8366
H102.38983.18942.91244.01673.36481.07982.23183.89063.89102.83664.8152
H113.18942.38984.01672.91243.89062.23181.07983.36484.81522.83663.8910
H123.18942.38984.01672.91242.23183.89063.36481.07982.83664.81523.8910

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 121.147 C1 C2 H7 85.729
C1 C2 H8 85.729 C1 C5 H8 94.271
C1 C5 H9 131.924 C1 C6 H7 94.271
C1 C6 H10 131.924 C2 C1 C3 121.147
C2 C1 C5 85.729 C2 C1 C6 85.729
C2 H7 C6 94.271 C2 H7 H11 131.924
C2 H8 C5 94.271 C2 H8 H12 131.924
C3 C1 C5 118.689 C3 C1 C6 118.689
C4 C2 H7 118.689 C4 C2 H8 118.689
C5 C1 C6 117.166 C5 H8 H12 133.687
C6 H7 H11 133.687 H7 C6 H10 133.687
H8 C5 H9 133.687
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability