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/SDD

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/SDD
 hartrees
Energy at 0K-231.080145
Energy at 298.15K-231.085646
HF Energy-230.572383
Nuclear repulsion energy196.657334
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/SDD
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 3247 3134 14.25      
2 A1 3211 3100 7.01      
3 A1 3138 3029 11.52      
4 A1 1666 1608 0.10      
5 A1 1511 1459 15.76      
6 A1 1459 1409 4.71      
7 A1 1366 1319 19.27      
8 A1 1122 1084 3.28      
9 A1 987 953 0.57      
10 A1 894 863 8.39      
11 A1 669 646 0.06      
12 A2 839 810 0.00      
13 A2 745 719 0.00      
14 A2 635 613 0.00      
15 A2 466 450 0.00      
16 B1 887 856 54.31      
17 B1 846 816 0.45      
18 B1 734 709 98.01      
19 B1 590 569 54.90      
20 B1 197 190 4.57      
21 B2 3247 3134 13.87      
22 B2 3232 3120 28.25      
23 B2 3201 3090 0.41      
24 B2 1547 1493 0.18      
25 B2 1336 1290 0.15      
26 B2 1269 1225 1.42      
27 B2 1115 1076 13.31      
28 B2 968 934 1.94      
29 B2 812 784 0.15      
30 B2 345 333 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 21140.4 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 20406.8 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/SDD
ABC
0.26371 0.12147 0.08317

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.776
C2 0.000 0.000 2.150
C3 0.000 1.202 -0.126
C4 0.000 -1.202 -0.126
C5 0.000 0.753 -1.439
C6 0.000 -0.753 -1.439
H7 0.000 0.934 2.720
H8 0.000 -0.934 2.720
H9 0.000 2.235 0.224
H10 0.000 -2.235 0.224
H11 0.000 1.374 -2.337
H12 0.000 -1.374 -2.337

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.37431.50261.50262.33932.33932.15712.15712.30262.30263.40223.4022
C21.37432.57392.57393.66733.66731.09421.09422.95102.95104.69254.6925
C31.50262.57392.40391.38762.35512.85873.55851.09113.45522.21753.3945
C41.50262.57392.40392.35511.38763.55852.85873.45521.09113.39452.2175
C52.33933.66731.38762.35511.50644.16304.48832.22753.42001.09142.3087
C62.33933.66732.35511.38761.50644.48834.16303.42002.22752.30871.0914
H72.15711.09422.85873.55854.16304.48831.86812.81524.03465.07595.5586
H82.15711.09423.55852.85874.48834.16301.86814.03462.81525.55865.0759
H92.30262.95101.09113.45522.22753.42002.81524.03464.47092.70164.4253
H102.30262.95103.45521.09113.42002.22754.03462.81524.47094.42532.7016
H113.40224.69252.21753.39451.09142.30875.07595.55862.70164.42532.7477
H123.40224.69253.39452.21752.30871.09145.55865.07594.42532.70162.7477

picture of Fulvene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H7 121.393 C1 C2 H8 121.393
C1 C3 C5 108.008 C1 C3 H9 124.429
C1 C4 C6 108.008 C1 C4 H10 124.429
C2 C1 C3 126.878 C2 C1 C4 126.878
C3 C1 C4 106.245 C3 C5 C6 108.869
C3 C5 H11 126.474 C4 C6 C5 108.869
C4 C6 H12 126.474 C5 C3 H9 127.562
C5 C6 H12 124.656 C6 C4 H10 127.562
C6 C5 H11 124.656 H7 C2 H8 117.213
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability