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All results from a given calculation for C8H8 (cyclooctatetraene)

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-309.496659
Energy at 298.15K-309.504489
HF Energy-309.496659
Nuclear repulsion energy324.176493
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 wB97X-D/cc-pVDZ
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 3193 3042 0.00      
2 A1 1770 1686 0.00      
3 A1 1250 1191 0.00      
4 A1 904 861 0.00      
5 A1 773 736 0.00      
6 A1 179 171 0.00      
7 A2 3160 3010 0.00      
8 A2 1386 1320 0.00      
9 A2 1019 971 0.00      
10 A2 939 895 0.00      
11 A2 236 225 0.00      
12 B1 3168 3018 0.00      
13 B1 1486 1416 0.00      
14 B1 1058 1007 0.00      
15 B1 992 945 0.00      
16 B1 679 647 0.00      
17 B1 253 241 0.00      
18 B2 3180 3030 32.12      
19 B2 1735 1652 0.80      
20 B2 1250 1191 2.48      
21 B2 680 648 109.10      
22 B2 290 277 2.69      
23 E 3187 3036 61.40      
23 E 3187 3036 61.40      
24 E 3163 3013 1.33      
24 E 3163 3013 1.33      
25 E 1744 1661 3.95      
25 E 1744 1661 3.95      
26 E 1438 1370 0.09      
26 E 1438 1370 0.09      
27 E 1264 1204 0.81      
27 E 1264 1204 0.81      
28 E 1009 961 0.34      
28 E 1009 961 0.34      
29 E 973 927 1.57      
29 E 973 927 1.57      
30 E 820 781 26.22      
30 E 820 781 26.22      
31 E 645 614 24.69      
31 E 645 614 24.69      
32 E 364 347 2.23      
32 E 364 347 2.23      

Unscaled Zero Point Vibrational Energy (zpe) 29396.9 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 28003.5 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 wB97X-D/cc-pVDZ
ABC
0.09020 0.09020 0.05120

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.669 1.550 0.399
C2 -0.669 1.550 0.399
C3 0.669 -1.550 0.399
C4 -0.669 -1.550 0.399
C5 1.550 0.669 -0.399
C6 1.550 -0.669 -0.399
C7 -1.550 0.669 -0.399
C8 -1.550 -0.669 -0.399
H9 1.191 2.296 0.998
H10 -1.191 2.296 0.998
H11 1.191 -2.296 0.998
H12 -1.191 -2.296 0.998
H13 2.296 1.191 -0.998
H14 2.296 -1.191 -0.998
H15 -2.296 1.191 -0.998
H16 -2.296 -1.191 -0.998

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.33733.10053.37661.47992.51722.51723.23771.09042.09183.92774.31432.17453.48093.29694.2729
C21.33733.37663.10052.51723.23771.47992.51722.09181.09044.31433.92773.29694.27292.17453.4809
C33.10053.37661.33732.51721.47993.23772.51723.92774.31431.09042.09183.48092.17454.27293.2969
C43.37663.10051.33733.23772.51722.51721.47994.31433.92772.09181.09044.27293.29693.48092.1745
C51.47992.51722.51723.23771.33733.10053.37662.17453.48093.29694.27291.09042.09183.92774.3143
C62.51723.23771.47992.51721.33733.37663.10053.29694.27292.17453.48092.09181.09044.31433.9277
C72.51721.47993.23772.51723.10053.37661.33733.48092.17454.27293.29693.92774.31431.09042.0918
C83.23772.51722.51721.47993.37663.10051.33734.27293.29693.48092.17454.31433.92772.09181.0904
H91.09042.09183.92774.31432.17453.29693.48094.27292.38284.59215.17352.53514.16764.16765.3208
H102.09181.09044.31433.92773.48094.27292.17453.29692.38285.17354.59214.16765.32082.53514.1676
H113.92774.31431.09042.09183.29692.17454.27293.48094.59215.17352.38284.16762.53515.32084.1676
H124.31433.92772.09181.09044.27293.48093.29692.17455.17354.59212.38285.32084.16764.16762.5351
H132.17453.29693.48094.27291.09042.09183.92774.31432.53514.16764.16765.32082.38284.59215.1735
H143.48094.27292.17453.29692.09181.09044.31433.92774.16765.32082.53514.16762.38285.17354.5921
H153.29692.17454.27293.48093.92774.31431.09042.09184.16762.53515.32084.16764.59215.17352.3828
H164.27293.48093.29692.17454.31433.92772.09181.09045.32084.16764.16762.53515.17354.59212.3828

picture of cyclooctatetraene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 46.738 C1 C2 H10 118.646
C1 C5 C7 53.435 C1 C5 H13 114.714
C2 C1 C5 126.565 C2 C1 H9 118.646
C2 C6 C8 46.738 C2 C6 H14 158.854
C3 C4 C8 126.565 C3 C4 H12 118.646
C3 C7 C5 46.738 C3 C7 H15 158.854
C4 C3 C7 46.738 C4 C3 H11 118.646
C4 C8 C6 53.435 C4 C8 H16 114.714
C5 C1 H9 114.714 C5 C7 H15 133.150
C6 C2 H10 158.854 C6 C8 H16 133.150
C7 C3 H11 158.854 C7 C5 H13 133.150
C8 C4 H12 114.714 C8 C6 H14 133.150
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.150      
2 C -0.150      
3 C -0.150      
4 C -0.150      
5 C -0.150      
6 C -0.150      
7 C -0.150      
8 C -0.150      
9 H 0.150      
10 H 0.150      
11 H 0.150      
12 H 0.150      
13 H 0.150      
14 H 0.150      
15 H 0.150      
16 H 0.150      


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 -43.988 0.000 0.000
y 0.000 -43.988 0.000
z 0.000 0.000 -49.799
Traceless
 xyz
x 2.905 0.000 0.000
y 0.000 2.905 0.000
z 0.000 0.000 -5.811
Polar
3z2-r2-11.622
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 15.319 0.000 0.000
y 0.000 15.319 0.000
z 0.000 0.000 9.556


<r2> (average value of r2) Å2
<r2> 235.126
(<r2>)1/2 15.334