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All results from a given calculation for C8H8 (cubane)

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes OH 1A1G
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-309.446329
Energy at 298.15K-309.456452
HF Energy-309.446329
Nuclear repulsion energy368.474393
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/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1g 3156 3019 0.00 588.80 0.00 0.00
2 A1g 1044 999 0.00 57.72 0.00 0.00
3 A2u 3121 2985 0.00 0.00 0.00 0.00
4 A2u 1043 998 0.00 0.00 0.00 0.00
5 Eg 1144 1094 0.00 0.07 0.75 0.86
5 Eg 1144 1094 0.00 0.07 0.75 0.86
6 Eg 932 891 0.00 28.70 0.75 0.86
6 Eg 932 891 0.00 28.70 0.75 0.86
7 Eu 1186 1135 0.00 0.00 0.00 0.00
7 Eu 1186 1135 0.00 0.00 0.00 0.00
8 Eu 627 599 0.00 0.00 0.00 0.00
8 Eu 627 599 0.00 0.00 0.00 0.00
9 T1g 1172 1121 0.00 0.00 0.00 0.00
9 T1g 1172 1121 0.00 0.00 0.00 0.00
9 T1g 1172 1121 0.00 0.00 0.00 0.00
10 T1u 3138 3002 122.07 0.00 0.00 0.00
10 T1u 3138 3002 122.07 0.00 0.00 0.00
10 T1u 3138 3002 122.07 0.00 0.00 0.00
11 T1u 1287 1231 6.39 0.00 0.00 0.00
11 T1u 1287 1231 6.39 0.00 0.00 0.00
11 T1u 1287 1231 6.39 0.00 0.00 0.00
12 T1u 888 849 11.14 0.00 0.00 0.00
12 T1u 888 849 11.14 0.00 0.00 0.00
12 T1u 888 849 11.14 0.00 0.00 0.00
13 T2g 3131 2995 0.00 243.36 0.75 0.86
13 T2g 3131 2995 0.00 243.36 0.75 0.86
13 T2g 3131 2995 0.00 243.36 0.75 0.86
14 T2g 1247 1192 0.00 7.07 0.75 0.86
14 T2g 1247 1192 0.00 7.07 0.75 0.86
14 T2g 1247 1192 0.00 7.07 0.75 0.86
15 T2g 860 822 0.00 5.90 0.75 0.86
15 T2g 860 822 0.00 5.90 0.75 0.86
15 T2g 860 822 0.00 5.90 0.75 0.86
16 T2g 680 650 0.00 1.36 0.75 0.86
16 T2g 680 650 0.00 1.36 0.75 0.86
16 T2g 680 650 0.00 1.36 0.75 0.86
17 T2u 1102 1054 0.00 0.00 0.00 0.00
17 T2u 1102 1054 0.00 0.00 0.00 0.00
17 T2u 1102 1054 0.00 0.00 0.00 0.00
18 T2u 858 820 0.00 0.00 0.00 0.00
18 T2u 858 820 0.00 0.00 0.00 0.00
18 T2u 858 820 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 29611.7 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 28323.6 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/6-311G**
ABC
0.11291 0.11291 0.11291

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Oh

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.781 0.781 0.781
C2 -0.781 0.781 0.781
C3 0.781 0.781 -0.781
C4 -0.781 0.781 -0.781
C5 0.781 -0.781 0.781
C6 -0.781 -0.781 0.781
C7 0.781 -0.781 -0.781
C8 -0.781 -0.781 -0.781
H9 1.410 1.410 1.410
H10 -1.410 1.410 1.410
H11 1.410 1.410 -1.410
H12 -1.410 1.410 -1.410
H13 1.410 -1.410 1.410
H14 -1.410 -1.410 1.410
H15 1.410 -1.410 -1.410
H16 -1.410 -1.410 -1.410

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.56301.56302.21041.56302.21042.21042.70711.08822.36452.36453.16192.36453.16193.16193.7953
C21.56302.21041.56302.21041.56302.70712.21042.36451.08823.16192.36453.16192.36453.79533.1619
C31.56302.21041.56302.21042.70711.56302.21042.36453.16191.08822.36453.16193.79532.36453.1619
C42.21041.56301.56302.70712.21042.21041.56303.16192.36452.36451.08823.79533.16193.16192.3645
C51.56302.21042.21042.70711.56301.56302.21042.36453.16193.16193.79531.08822.36452.36453.1619
C62.21041.56302.70712.21041.56302.21041.56303.16192.36453.79533.16192.36451.08823.16192.3645
C72.21042.70711.56302.21041.56302.21041.56303.16193.79532.36453.16192.36453.16191.08822.3645
C82.70712.21042.21041.56302.21041.56301.56303.79533.16193.16192.36453.16192.36452.36451.0882
H91.08822.36452.36453.16192.36453.16193.16193.79532.81952.81953.98742.81953.98743.98744.8836
H102.36451.08823.16192.36453.16192.36453.79533.16192.81953.98742.81953.98742.81954.88363.9874
H112.36453.16191.08822.36453.16193.79532.36453.16192.81953.98742.81953.98744.88362.81953.9874
H123.16192.36452.36451.08823.79533.16193.16192.36453.98742.81952.81954.88363.98743.98742.8195
H132.36453.16193.16193.79531.08822.36452.36453.16192.81953.98743.98744.88362.81952.81953.9874
H143.16192.36453.79533.16192.36451.08823.16192.36453.98742.81954.88363.98742.81953.98742.8195
H153.16193.79532.36453.16192.36453.16191.08822.36453.98744.88362.81953.98742.81953.98742.8195
H163.79533.16193.16192.36453.16192.36452.36451.08824.88363.98743.98742.81953.98742.81952.8195

picture of cubane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 90.000 C1 C2 C6 90.000
C1 C2 H10 125.264 C1 C3 C4 90.000
C1 C3 C7 90.000 C1 C3 H11 125.264
C1 C5 C6 90.000 C1 C5 C7 90.000
C1 C5 H13 125.264 C2 C1 C3 90.000
C2 C1 C5 90.000 C2 C1 H9 125.264
C2 C4 C3 90.000 C2 C4 C8 90.000
C2 C4 H12 125.264 C2 C6 C5 90.000
C2 C6 C8 90.000 C2 C6 H14 125.264
C3 C1 C5 90.000 C3 C1 H9 125.264
C3 C4 C8 90.000 C3 C4 H12 125.264
C3 C7 C5 90.000 C3 C7 C8 90.000
C3 C7 H15 125.264 C4 C2 C6 90.000
C4 C2 H10 125.264 C4 C3 C7 90.000
C4 C3 H11 125.264 C4 C8 C6 90.000
C4 C8 C7 90.000 C4 C8 H16 125.264
C5 C1 H9 125.264 C5 C6 C8 90.000
C5 C6 H14 125.264 C5 C7 C8 90.000
C5 C7 H15 125.264 C6 C2 H10 125.264
C6 C5 C7 90.000 C6 C5 H13 125.264
C6 C8 C7 90.000 C6 C8 H16 125.264
C7 C3 H11 125.264 C7 C5 H13 125.264
C7 C8 H16 125.264 C8 C4 H12 125.264
C8 C6 H14 125.264 C8 C7 H15 125.264
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.094      
2 C -0.094      
3 C -0.094      
4 C -0.094      
5 C -0.094      
6 C -0.094      
7 C -0.094      
8 C -0.094      
9 H 0.094      
10 H 0.094      
11 H 0.094      
12 H 0.094      
13 H 0.094      
14 H 0.094      
15 H 0.094      
16 H 0.094      


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 -46.421 0.000 0.000
y 0.000 -46.421 0.000
z 0.000 0.000 -46.421
Traceless
 xyz
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000
Polar
3z2-r20.000
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 10.390 0.000 0.000
y 0.000 10.390 0.000
z 0.000 0.000 10.390


<r2> (average value of r2) Å2
<r2> 164.635
(<r2>)1/2 12.831