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

using model chemistry: MP3=FULL/6-31G**

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/6-31G**
 hartrees
Energy at 0K-231.442726
Energy at 298.15K 
HF Energy-230.575364
Nuclear repulsion energy209.025695
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/6-31G**
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 3327 3327 7.19      
2 A1 3215 3215 35.13      
3 A1 1686 1686 0.06      
4 A1 1233 1233 3.00      
5 A1 1091 1091 1.30      
6 A1 990 990 8.35      
7 A1 907 907 0.11      
8 A1 836 836 66.89      
9 A1 400 400 3.31      
10 A2 3294 3294 0.00      
11 A2 1359 1359 0.00      
12 A2 1260 1260 0.00      
13 A2 1000 1000 0.00      
14 A2 933 933 0.00      
15 A2 802 802 0.00      
16 A2 331 331 0.00      
17 B1 3324 3324 39.89      
18 B1 1660 1660 6.61      
19 B1 1283 1283 4.04      
20 B1 1149 1149 0.05      
21 B1 1050 1050 0.30      
22 B1 744 744 38.65      
23 B2 3295 3295 24.42      
24 B2 3208 3208 17.22      
25 B2 1355 1355 30.92      
26 B2 1215 1215 5.29      
27 B2 968 968 7.39      
28 B2 945 945 3.16      
29 B2 868 868 5.98      
30 B2 503 503 5.82      

Unscaled Zero Point Vibrational Energy (zpe) 22115.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22115.8 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/6-31G**
ABC
0.26210 0.14953 0.11667

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.784 0.525
C2 0.000 -0.784 0.525
H3 0.000 1.345 1.455
H4 0.000 -1.345 1.455
C5 -1.301 0.670 -0.265
C6 1.301 0.670 -0.265
C7 1.301 -0.670 -0.265
C8 -1.301 -0.670 -0.265
H9 -1.940 1.415 -0.712
H10 1.940 1.415 -0.712
H11 1.940 -1.415 -0.712
H12 -1.940 -1.415 -0.712

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.56811.08592.32301.52641.52642.10522.10522.38582.38583.18283.1828
C21.56812.32301.08592.10522.10521.52641.52643.18283.18282.38582.3858
H31.08592.32302.68962.25942.25942.95132.95132.90912.90914.00944.0094
H42.32301.08592.68962.95132.95132.25942.25944.00944.00942.90912.9091
C51.52642.10522.25942.95132.60262.92751.34041.07843.35593.88022.2264
C61.52642.10522.25942.95132.60261.34042.92753.35591.07842.22643.8802
C72.10521.52642.95132.25942.92751.34042.60263.88022.22641.07843.3559
C82.10521.52642.95132.25941.34042.92752.60262.22643.88023.35591.0784
H92.38583.18282.90914.00941.07843.35593.88022.22643.88044.80302.8304
H102.38583.18282.90914.00943.35591.07842.22643.88023.88042.83044.8030
H113.18282.38584.00942.90913.88022.22641.07843.35594.80302.83043.8804
H123.18282.38584.00942.90912.22643.88023.35591.07842.83044.80303.8804

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 121.092 C1 C2 H7 85.723
C1 C2 H8 85.723 C1 C5 H8 94.277
C1 C5 H9 131.913 C1 C6 H7 94.277
C1 C6 H10 131.913 C2 C1 C3 121.092
C2 C1 C5 85.723 C2 C1 C6 85.723
C2 H7 C6 94.277 C2 H7 H11 131.913
C2 H8 C5 94.277 C2 H8 H12 131.913
C3 C1 C5 118.784 C3 C1 C6 118.784
C4 C2 H7 118.784 C4 C2 H8 118.784
C5 C1 C6 116.977 C5 H8 H12 133.693
C6 H7 H11 133.693 H7 C6 H10 133.693
H8 C5 H9 133.693
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability