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All results from a given calculation for C6H6 (Fulvene)

using model chemistry: MP2/CEP-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 MP2/CEP-31G*
 hartrees
Energy at 0K-37.056585
Energy at 298.15K-37.062175
HF Energy-36.345846
Nuclear repulsion energy100.024304
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/CEP-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 3259 3094 6.48      
2 A1 3234 3071 4.79      
3 A1 3185 3024 8.27      
4 A1 1702 1616 2.56      
5 A1 1529 1452 24.81      
6 A1 1467 1393 0.18      
7 A1 1371 1302 20.17      
8 A1 1097 1041 2.60      
9 A1 1029 977 0.82      
10 A1 918 871 8.74      
11 A1 661 627 0.04      
12 A2 885 840 0.00      
13 A2 776 737 0.00      
14 A2 683 648 0.00      
15 A2 487 462 0.00      
16 B1 907 861 5.66      
17 B1 859 816 44.65      
18 B1 790 750 149.55      
19 B1 611 580 30.67      
20 B1 213 202 5.19      
21 B2 3278 3112 9.98      
22 B2 3254 3089 10.75      
23 B2 3222 3059 3.35      
24 B2 1592 1511 0.04      
25 B2 1368 1299 0.43      
26 B2 1253 1189 0.86      
27 B2 1095 1040 10.90      
28 B2 960 912 1.62      
29 B2 795 755 0.74      
30 B2 319 303 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 21398.6 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 20315.8 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 MP2/CEP-31G*
ABC
0.26636 0.12261 0.08396

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.763
C2 0.000 0.000 2.142
C3 0.000 1.197 -0.121
C4 0.000 -1.197 -0.121
C5 0.000 0.745 -1.433
C6 0.000 -0.745 -1.433
H7 0.000 0.938 2.709
H8 0.000 -0.938 2.709
H9 0.000 2.232 0.230
H10 0.000 -2.232 0.230
H11 0.000 1.369 -2.331
H12 0.000 -1.369 -2.331

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.37911.48761.48762.31862.31862.16032.16032.29432.29433.38343.3834
C21.37912.55962.55963.65153.65151.09601.09602.93842.93844.67794.6779
C31.48762.55962.39361.38772.34362.84153.54461.09273.44632.21723.3867
C41.48762.55962.39362.34361.38773.54462.84153.44631.09273.38672.2172
C52.31863.65151.38772.34361.49034.14624.47062.23063.40981.09382.2972
C62.31863.65152.34361.38771.49034.47064.14623.40982.23062.29721.0938
H72.16031.09602.84153.54464.14624.47061.87592.79604.02365.05865.5430
H82.16031.09603.54462.84154.47064.14621.87594.02362.79605.54305.0586
H92.29432.93841.09273.44632.23063.40982.79604.02364.46322.70284.4188
H102.29432.93843.44631.09273.40982.23064.02362.79604.46324.41882.7028
H113.38344.67792.21723.38671.09382.29725.05865.54302.70284.41882.7381
H123.38344.67793.38672.21722.29721.09385.54305.05864.41882.70282.7381

picture of Fulvene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H7 121.156 C1 C2 H8 121.156
C1 C3 C5 107.441 C1 C3 H9 124.828
C1 C4 C6 107.441 C1 C4 H10 124.828
C2 C1 C3 126.436 C2 C1 C4 126.436
C3 C1 C4 107.127 C3 C5 C6 108.995
C3 C5 H11 126.225 C4 C6 C5 108.995
C4 C6 H12 126.225 C5 C3 H9 127.731
C5 C6 H12 124.779 C6 C4 H10 127.731
C6 C5 H11 124.779 H7 C2 H8 117.689
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability