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All results from a given calculation for C8H8 (cyclooctatetraene)

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-309.691214
Energy at 298.15K-309.699048
HF Energy-309.691214
Nuclear repulsion energy324.072516
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 B3LYP/TZVP
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 3141 3033 0.00      
2 A1 1715 1656 0.00      
3 A1 1248 1205 0.00      
4 A1 888 857 0.00      
5 A1 775 748 0.00      
6 A1 179 172 0.00      
7 A2 3109 3001 0.00      
8 A2 1396 1347 0.00      
9 A2 1013 978 0.00      
10 A2 946 913 0.00      
11 A2 234 226 0.00      
12 B1 3117 3010 0.00      
13 B1 1474 1423 0.00      
14 B1 1048 1012 0.00      
15 B1 983 949 0.00      
16 B1 674 650 0.00      
17 B1 266 257 0.00      
18 B2 3128 3020 29.92      
19 B2 1701 1642 1.03      
20 B2 1245 1202 1.46      
21 B2 683 660 101.07      
22 B2 293 282 2.08      
23 E 3135 3026 59.18      
23 E 3135 3026 59.18      
24 E 3112 3004 1.07      
24 E 3112 3004 1.07      
25 E 1694 1635 2.44      
25 E 1694 1635 2.44      
26 E 1438 1388 0.27      
26 E 1438 1388 0.27      
27 E 1263 1219 0.87      
27 E 1263 1219 0.87      
28 E 1003 968 0.51      
28 E 1003 968 0.51      
29 E 958 925 1.71      
29 E 958 925 1.71      
30 E 813 785 21.19      
30 E 813 785 21.19      
31 E 653 630 21.35      
31 E 653 630 21.35      
32 E 363 351 1.58      
32 E 363 351 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 29057.2 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 28051.9 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 B3LYP/TZVP
ABC
0.09015 0.09015 0.05054

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.668 1.564 0.372
C2 -0.668 1.564 0.372
C3 0.668 -1.564 0.372
C4 -0.668 -1.564 0.372
C5 1.564 0.668 -0.372
C6 1.564 -0.668 -0.372
C7 -1.564 0.668 -0.372
C8 -1.564 -0.668 -0.372
H9 1.169 2.357 0.924
H10 -1.169 2.357 0.924
H11 1.169 -2.357 0.924
H12 -1.169 -2.357 0.924
H13 2.357 1.169 -0.924
H14 2.357 -1.169 -0.924
H15 -2.357 1.169 -0.924
H16 -2.357 -1.169 -0.924

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.33653.12843.40201.46992.51832.51833.24391.08792.07573.99154.36552.16543.46473.31514.2784
C21.33653.40203.12842.51833.24391.46992.51832.07571.08794.36553.99153.31514.27842.16543.4647
C33.12843.40201.33652.51831.46993.24392.51833.99154.36551.08792.07573.46472.16544.27843.3151
C43.40203.12841.33653.24392.51832.51831.46994.36553.99152.07571.08794.27843.31513.46472.1654
C51.46992.51832.51833.24391.33653.12843.40202.16543.46473.31514.27841.08792.07573.99154.3655
C62.51833.24391.46992.51831.33653.40203.12843.31514.27842.16543.46472.07571.08794.36553.9915
C72.51831.46993.24392.51833.12843.40201.33653.46472.16544.27843.31513.99154.36551.08792.0757
C83.24392.51832.51831.46993.40203.12841.33654.27843.31513.46472.16544.36553.99152.07571.0879
H91.08792.07573.99154.36552.16543.31513.46474.27842.33834.71445.26242.49724.15454.15455.3182
H102.07571.08794.36553.99153.46474.27842.16543.31512.33835.26244.71444.15455.31822.49724.1545
H113.99154.36551.08792.07573.31512.16544.27843.46474.71445.26242.33834.15452.49725.31824.1545
H124.36553.99152.07571.08794.27843.46473.31512.16545.26244.71442.33835.31824.15454.15452.4972
H132.16543.31513.46474.27841.08792.07573.99154.36552.49724.15454.15455.31822.33834.71445.2624
H143.46474.27842.16543.31512.07571.08794.36553.99154.15455.31822.49724.15452.33835.26244.7144
H153.31512.16544.27843.46473.99154.36551.08792.07574.15452.49725.31824.15454.71445.26242.3383
H164.27843.46473.31512.16544.36553.99152.07571.08795.31824.15454.15452.49725.26244.71442.3383

picture of cyclooctatetraene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 46.512 C1 C2 H10 117.414
C1 C5 C7 52.443 C1 C5 H13 114.864
C2 C1 C5 127.557 C2 C1 H9 117.414
C2 C6 C8 46.512 C2 C6 H14 159.204
C3 C4 C8 127.557 C3 C4 H12 117.414
C3 C7 C5 46.512 C3 C7 H15 159.204
C4 C3 C7 46.512 C4 C3 H11 117.414
C4 C8 C6 52.443 C4 C8 H16 114.864
C5 C1 H9 114.864 C5 C7 H15 136.793
C6 C2 H10 159.204 C6 C8 H16 136.793
C7 C3 H11 159.204 C7 C5 H13 136.793
C8 C4 H12 114.864 C8 C6 H14 136.793
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.123      
2 C -0.123      
3 C -0.123      
4 C -0.123      
5 C -0.123      
6 C -0.123      
7 C -0.123      
8 C -0.123      
9 H 0.123      
10 H 0.123      
11 H 0.123      
12 H 0.123      
13 H 0.123      
14 H 0.123      
15 H 0.123      
16 H 0.123      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.389 0.000 0.000
y 0.000 -44.389 0.000
z 0.000 0.000 -50.214
Traceless
 xyz
x 2.913 0.000 0.000
y 0.000 2.913 0.000
z 0.000 0.000 -5.825
Polar
3z2-r2-11.650
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.411 0.000 0.000
y 0.000 15.411 0.000
z 0.000 0.000 8.880


<r2> (average value of r2) Å2
<r2> 236.691
(<r2>)1/2 15.385