return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H6 (Fulvene)

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-231.520122
Energy at 298.15K-231.525652
HF Energy-230.694345
Nuclear repulsion energy200.291602
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 MP2/6-311G**
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 3267 3105 4.76      
2 A1 3244 3083 5.32      
3 A1 3174 3016 3.70      
4 A1 1689 1605 3.43      
5 A1 1517 1442 21.79      
6 A1 1461 1388 0.01      
7 A1 1373 1305 24.15      
8 A1 1098 1043 2.36      
9 A1 1023 973 1.90      
10 A1 918 872 6.83      
11 A1 674 640 0.06      
12 A2 850 808 0.00      
13 A2 758 720 0.00      
14 A2 655 622 0.00      
15 A2 455 432 0.00      
16 B1 897 852 19.42      
17 B1 876 833 8.73      
18 B1 726 690 89.80      
19 B1 584 555 13.56      
20 B1 179 170 4.09      
21 B2 3275 3112 5.23      
22 B2 3262 3099 12.22      
23 B2 3235 3074 2.44      
24 B2 1591 1512 0.02      
25 B2 1354 1287 0.07      
26 B2 1259 1196 0.23      
27 B2 1101 1046 8.27      
28 B2 969 921 2.12      
29 B2 808 767 0.79      
30 B2 334 317 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 21302.3 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 20241.5 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 MP2/6-311G**
ABC
0.27329 0.12651 0.08648

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.756
C2 0.000 0.000 2.107
C3 0.000 1.180 -0.121
C4 0.000 -1.180 -0.121
C5 0.000 0.737 -1.409
C6 0.000 -0.737 -1.409
H7 0.000 0.930 2.669
H8 0.000 -0.930 2.669
H9 0.000 2.206 0.226
H10 0.000 -2.206 0.226
H11 0.000 1.353 -2.301
H12 0.000 -1.353 -2.301

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.35121.47021.47022.28692.28692.12702.12702.26912.26913.34313.3431
C21.35122.52142.52143.59253.59251.08641.08642.89952.89954.61134.6113
C31.47022.52142.36011.36222.30922.80113.49801.08333.40402.18703.3419
C41.47022.52142.36012.30921.36223.49802.80113.40401.08333.34192.1870
C52.28693.59251.36222.30921.47324.08254.40532.19833.36651.08432.2719
C62.28693.59252.30921.36221.47324.40534.08253.36652.19832.27191.0843
H72.12701.08642.80113.49804.08254.40531.85992.75643.97554.98815.4693
H82.12701.08643.49802.80114.40534.08251.85993.97552.75645.46934.9881
H92.26912.89951.08333.40402.19833.36652.75643.97554.41262.66734.3649
H102.26912.89953.40401.08333.36652.19833.97552.75644.41264.36492.6673
H113.34314.61132.18703.34191.08432.27194.98815.46932.66734.36492.7055
H123.34314.61133.34192.18702.27191.08435.46934.98814.36492.66732.7055

picture of Fulvene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H7 121.135 C1 C2 H8 121.135
C1 C3 C5 107.622 C1 C3 H9 124.706
C1 C4 C6 107.622 C1 C4 H10 124.706
C2 C1 C3 126.620 C2 C1 C4 126.620
C3 C1 C4 106.761 C3 C5 C6 108.998
C3 C5 H11 126.374 C4 C6 C5 108.998
C4 C6 H12 126.374 C5 C3 H9 127.672
C5 C6 H12 124.628 C6 C4 H10 127.672
C6 C5 H11 124.628 H7 C2 H8 117.730
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability