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All results from a given calculation for C8H8 (cubane)

using model chemistry: wB97X-D/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-309.468129
Energy at 298.15K-309.478258
HF Energy-309.468129
Nuclear repulsion energy369.055997
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/6-311+G(3df,2p)
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 3155 3155 0.00 678.96 0.00 0.00
2 A1g 1045 1045 0.00 70.63 0.00 0.00
3 A2u 3119 3119 0.00 0.00 0.00 0.00
4 A2u 1048 1048 0.00 0.00 0.00 0.00
5 Eg 1142 1142 0.00 0.49 0.75 0.86
5 Eg 1142 1142 0.00 0.49 0.75 0.86
6 Eg 933 933 0.00 21.35 0.75 0.86
6 Eg 933 933 0.00 21.35 0.75 0.86
7 Eu 1193 1193 0.00 0.00 0.00 0.00
7 Eu 1193 1193 0.00 0.00 0.00 0.00
8 Eu 627 627 0.00 0.00 0.00 0.00
8 Eu 627 627 0.00 0.00 0.00 0.00
9 T1g 1176 1176 0.00 0.00 0.00 0.00
9 T1g 1176 1176 0.00 0.00 0.00 0.00
9 T1g 1176 1176 0.00 0.00 0.00 0.00
10 T1u 3137 3137 116.01 0.00 0.00 0.00
10 T1u 3137 3137 116.01 0.00 0.00 0.00
10 T1u 3137 3137 116.01 0.00 0.00 0.00
11 T1u 1289 1289 5.07 0.00 0.00 0.00
11 T1u 1289 1289 5.07 0.00 0.00 0.00
11 T1u 1289 1289 5.07 0.00 0.00 0.00
12 T1u 889 889 10.59 0.00 0.00 0.00
12 T1u 889 889 10.59 0.00 0.00 0.00
12 T1u 889 889 10.59 0.00 0.00 0.00
13 T2g 3129 3129 0.00 230.37 0.75 0.86
13 T2g 3129 3129 0.00 230.37 0.75 0.86
13 T2g 3129 3129 0.00 230.37 0.75 0.86
14 T2g 1246 1246 0.00 5.95 0.75 0.86
14 T2g 1246 1246 0.00 5.95 0.75 0.86
14 T2g 1246 1246 0.00 5.95 0.75 0.86
15 T2g 861 861 0.00 2.11 0.75 0.86
15 T2g 861 861 0.00 2.11 0.75 0.86
15 T2g 861 861 0.00 2.11 0.75 0.86
16 T2g 680 680 0.00 0.71 0.75 0.86
16 T2g 680 680 0.00 0.71 0.75 0.86
16 T2g 680 680 0.00 0.71 0.75 0.86
17 T2u 1099 1099 0.00 0.00 0.00 0.00
17 T2u 1099 1099 0.00 0.00 0.00 0.00
17 T2u 1099 1099 0.00 0.00 0.00 0.00
18 T2u 859 859 0.00 0.00 0.00 0.00
18 T2u 859 859 0.00 0.00 0.00 0.00
18 T2u 859 859 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 29625.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 29625.5 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/6-311+G(3df,2p)
ABC
0.11326 0.11326 0.11326

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311+G(3df,2p)

Point Group is Oh

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.780 0.780 0.780
C2 -0.780 0.780 0.780
C3 0.780 0.780 -0.780
C4 -0.780 0.780 -0.780
C5 0.780 -0.780 0.780
C6 -0.780 -0.780 0.780
C7 0.780 -0.780 -0.780
C8 -0.780 -0.780 -0.780
H9 1.407 1.407 1.407
H10 -1.407 1.407 1.407
H11 1.407 1.407 -1.407
H12 -1.407 1.407 -1.407
H13 1.407 -1.407 1.407
H14 -1.407 -1.407 1.407
H15 1.407 -1.407 -1.407
H16 -1.407 -1.407 -1.407

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.56061.56062.20701.56062.20702.20702.70301.08602.36052.36053.15672.36053.15673.15673.7891
C21.56062.20701.56062.20701.56062.70302.20702.36051.08603.15672.36053.15672.36053.78913.1567
C31.56062.20701.56062.20702.70301.56062.20702.36053.15671.08602.36053.15673.78912.36053.1567
C42.20701.56061.56062.70302.20702.20701.56063.15672.36052.36051.08603.78913.15673.15672.3605
C51.56062.20702.20702.70301.56061.56062.20702.36053.15673.15673.78911.08602.36052.36053.1567
C62.20701.56062.70302.20701.56062.20701.56063.15672.36053.78913.15672.36051.08603.15672.3605
C72.20702.70301.56062.20701.56062.20701.56063.15673.78912.36053.15672.36053.15671.08602.3605
C82.70302.20702.20701.56062.20701.56061.56063.78913.15673.15672.36053.15672.36052.36051.0860
H91.08602.36052.36053.15672.36053.15673.15673.78912.81472.81473.98052.81473.98053.98054.8751
H102.36051.08603.15672.36053.15672.36053.78913.15672.81473.98052.81473.98052.81474.87513.9805
H112.36053.15671.08602.36053.15673.78912.36053.15672.81473.98052.81473.98054.87512.81473.9805
H123.15672.36052.36051.08603.78913.15673.15672.36053.98052.81472.81474.87513.98053.98052.8147
H132.36053.15673.15673.78911.08602.36052.36053.15672.81473.98053.98054.87512.81472.81473.9805
H143.15672.36053.78913.15672.36051.08603.15672.36053.98052.81474.87513.98052.81473.98052.8147
H153.15673.78912.36053.15672.36053.15671.08602.36053.98054.87512.81473.98052.81473.98052.8147
H163.78913.15673.15672.36053.15672.36052.36051.08604.87513.98053.98052.81473.98052.81472.8147

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/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.121      
2 C -0.121      
3 C -0.121      
4 C -0.121      
5 C -0.121      
6 C -0.121      
7 C -0.121      
8 C -0.121      
9 H 0.121      
10 H 0.121      
11 H 0.121      
12 H 0.121      
13 H 0.121      
14 H 0.121      
15 H 0.121      
16 H 0.121      


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 -46.444 0.000 0.000
y 0.000 -46.444 0.000
z 0.000 0.000 -46.444
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 11.114 0.000 0.000
y 0.000 11.114 0.000
z 0.000 0.000 11.114


<r2> (average value of r2) Å2
<r2> 164.219
(<r2>)1/2 12.815