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: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-231.905824
Energy at 298.15K-231.911543
HF Energy-231.905824
Nuclear repulsion energy201.018806
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 PBE1PBE/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 3281 3118 4.49      
2 A1 3258 3096 8.05      
3 A1 3189 3031 5.87      
4 A1 1743 1657 4.79      
5 A1 1576 1498 30.04      
6 A1 1478 1405 0.10      
7 A1 1393 1324 25.69      
8 A1 1116 1060 1.78      
9 A1 1029 978 2.71      
10 A1 927 880 8.35      
11 A1 681 647 0.08      
12 A2 947 899 0.00      
13 A2 788 749 0.00      
14 A2 697 663 0.00      
15 A2 492 468 0.00      
16 B1 969 921 43.84      
17 B1 932 886 2.89      
18 B1 801 761 51.49      
19 B1 644 612 29.26      
20 B1 206 195 3.57      
21 B2 3277 3114 5.84      
22 B2 3276 3113 13.99      
23 B2 3247 3086 3.39      
24 B2 1658 1576 0.04      
25 B2 1367 1300 0.06      
26 B2 1272 1209 0.14      
27 B2 1119 1063 9.43      
28 B2 976 928 1.93      
29 B2 807 767 1.81      
30 B2 338 321 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 21741.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 20661.2 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 PBE1PBE/6-31G*
ABC
0.27493 0.12752 0.08711

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

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 2.098
C3 0.000 1.176 -0.125
C4 0.000 -1.176 -0.125
C5 0.000 0.735 -1.401
C6 0.000 -0.735 -1.401
H7 0.000 0.926 2.667
H8 0.000 -0.926 2.667
H9 0.000 2.202 0.224
H10 0.000 -2.202 0.224
H11 0.000 1.348 -2.296
H12 0.000 -1.348 -2.296

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.34181.46901.46902.27892.27892.12342.12342.26522.26523.33633.3363
C21.34182.51412.51413.57533.57531.08701.08702.89132.89134.59584.5958
C31.46902.51412.35191.35082.29822.80233.49421.08333.39562.17833.3295
C41.46902.51412.35192.29821.35083.49422.80233.39561.08333.32952.1783
C52.27893.57531.35082.29821.46994.07244.39402.18903.35631.08462.2670
C62.27893.57532.29821.35081.46994.39404.07243.35632.18902.26701.0846
H72.12341.08702.80233.49424.07244.39401.85232.75603.96894.98055.4589
H82.12341.08703.49422.80234.39404.07241.85233.96892.75605.45894.9805
H92.26522.89131.08333.39562.18903.35632.75603.96894.40362.66044.3531
H102.26522.89133.39561.08333.35632.18903.96892.75604.40364.35312.6604
H113.33634.59582.17833.32951.08462.26704.98055.45892.66044.35312.6959
H123.33634.59583.32952.17832.26701.08465.45894.98054.35312.66042.6959

picture of Fulvene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H7 121.563 C1 C2 H8 121.563
C1 C3 C5 107.765 C1 C3 H9 124.434
C1 C4 C6 107.765 C1 C4 H10 124.434
C2 C1 C3 126.820 C2 C1 C4 126.820
C3 C1 C4 106.360 C3 C5 C6 109.055
C3 C5 H11 126.532 C4 C6 C5 109.055
C4 C6 H12 126.532 C5 C3 H9 127.801
C5 C6 H12 124.413 C6 C4 H10 127.801
C6 C5 H11 124.413 H7 C2 H8 116.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.133      
2 C -0.442      
3 C -0.180      
4 C -0.180      
5 C -0.187      
6 C -0.187      
7 H 0.186      
8 H 0.186      
9 H 0.167      
10 H 0.167      
11 H 0.169      
12 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.607 0.607
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.985 0.000 0.000
y 0.000 -31.761 0.000
z 0.000 0.000 -29.638
Traceless
 xyz
x -8.286 0.000 0.000
y 0.000 2.550 0.000
z 0.000 0.000 5.736
Polar
3z2-r211.471
x2-y2-7.224
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.196 0.000 0.000
y 0.000 8.733 0.000
z 0.000 0.000 13.967


<r2> (average value of r2) Å2
<r2> 137.463
(<r2>)1/2 11.724