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: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-232.110716
Energy at 298.15K-232.116434
Nuclear repulsion energy200.820063
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 B3PW91/6-31G**
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 3263 3127 4.26      
2 A1 3239 3104 8.51      
3 A1 3167 3035 5.97      
4 A1 1725 1653 3.99      
5 A1 1560 1496 28.58      
6 A1 1463 1402 0.04      
7 A1 1381 1324 24.92      
8 A1 1109 1063 1.75      
9 A1 1019 977 2.64      
10 A1 919 881 8.04      
11 A1 677 649 0.08      
12 A2 943 904 0.00      
13 A2 783 750 0.00      
14 A2 693 665 0.00      
15 A2 490 470 0.00      
16 B1 961 921 39.72      
17 B1 929 890 3.20      
18 B1 797 764 47.96      
19 B1 641 615 27.74      
20 B1 206 198 3.38      
21 B2 3259 3123 6.46      
22 B2 3257 3122 14.16      
23 B2 3228 3094 3.81      
24 B2 1643 1574 0.01      
25 B2 1353 1296 0.07      
26 B2 1262 1209 0.14      
27 B2 1112 1066 8.86      
28 B2 968 927 2.16      
29 B2 802 769 1.74      
30 B2 339 325 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 21593.3 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 20695.0 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 B3PW91/6-31G**
ABC
0.27441 0.12721 0.08692

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.757
C2 0.000 0.000 2.101
C3 0.000 1.177 -0.125
C4 0.000 -1.177 -0.125
C5 0.000 0.736 -1.403
C6 0.000 -0.736 -1.403
H7 0.000 0.926 2.669
H8 0.000 -0.926 2.669
H9 0.000 2.203 0.222
H10 0.000 -2.203 0.222
H11 0.000 1.349 -2.297
H12 0.000 -1.349 -2.297

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.34351.47091.47092.28202.28202.12412.12412.26702.26703.33883.3388
C21.34352.51752.51753.58003.58001.08651.08652.89512.89514.59994.5999
C31.47092.51752.35451.35242.30082.80463.49671.08283.39802.17923.3318
C41.47092.51752.35452.30081.35243.49672.80463.39801.08283.33182.1792
C52.28203.58001.35242.30081.47144.07614.39772.18953.35811.08422.2683
C62.28203.58002.30081.35241.47144.39774.07613.35812.18952.26831.0842
H72.12411.08652.80463.49674.07614.39771.85232.75963.97204.98375.4621
H82.12411.08653.49672.80464.39774.07611.85233.97202.75965.46214.9837
H92.26702.89511.08283.39802.18953.35812.75963.97204.40592.66014.3546
H102.26702.89513.39801.08283.35812.18953.97202.75964.40594.35462.6601
H113.33884.59992.17923.33181.08422.26834.98375.46212.66014.35462.6978
H123.33884.59993.33182.17922.26831.08425.46214.98374.35462.66012.6978

picture of Fulvene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H7 121.523 C1 C2 H8 121.523
C1 C3 C5 107.779 C1 C3 H9 124.483
C1 C4 C6 107.779 C1 C4 H10 124.483
C2 C1 C3 126.834 C2 C1 C4 126.834
C3 C1 C4 106.333 C3 C5 C6 109.055
C3 C5 H11 126.503 C4 C6 C5 109.055
C4 C6 H12 126.503 C5 C3 H9 127.739
C5 C6 H12 124.442 C6 C4 H10 127.739
C6 C5 H11 124.442 H7 C2 H8 116.953
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.099      
2 C -0.325      
3 C -0.125      
4 C -0.125      
5 C -0.137      
6 C -0.137      
7 H 0.139      
8 H 0.139      
9 H 0.117      
10 H 0.117      
11 H 0.119      
12 H 0.119      


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 0.602 0.602
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.772 0.000 0.000
y 0.000 -31.789 0.000
z 0.000 0.000 -29.712
Traceless
 xyz
x -8.022 0.000 0.000
y 0.000 2.453 0.000
z 0.000 0.000 5.569
Polar
3z2-r211.138
x2-y2-6.983
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.264 0.000 0.000
y 0.000 8.874 0.000
z 0.000 0.000 14.100


<r2> (average value of r2) Å2
<r2> 137.678
(<r2>)1/2 11.734