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All results from a given calculation for C8H8 (cubane)

using model chemistry: wB97X-D/SDD

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/SDD
 hartrees
Energy at 0K-309.328092
Energy at 298.15K-309.338261
HF Energy-309.328092
Nuclear repulsion energy364.815076
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/SDD
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 3233 3233 0.00 468.07 0.00 0.00
2 A1g 1038 1038 0.00 88.03 0.00 0.00
3 A2u 3180 3180 0.00 0.00 0.00 0.00
4 A2u 1078 1078 0.00 0.00 0.00 0.00
5 Eg 1155 1155 0.00 4.67 0.75 0.86
5 Eg 1155 1155 0.00 4.67 0.75 0.86
6 Eg 949 949 0.00 29.19 0.75 0.86
6 Eg 949 949 0.00 29.19 0.75 0.86
7 Eu 1222 1222 0.00 0.00 0.00 0.00
7 Eu 1222 1222 0.00 0.00 0.00 0.00
8 Eu 635 635 0.00 0.00 0.00 0.00
8 Eu 635 635 0.00 0.00 0.00 0.00
9 T1g 1200 1200 0.00 0.00 0.00 0.00
9 T1g 1200 1200 0.00 0.00 0.00 0.00
9 T1g 1200 1200 0.00 0.00 0.00 0.00
10 T1u 3205 3205 122.64 0.00 0.00 0.00
10 T1u 3205 3205 122.64 0.00 0.00 0.00
10 T1u 3205 3205 122.64 0.00 0.00 0.00
11 T1u 1290 1290 10.94 0.00 0.00 0.00
11 T1u 1290 1290 10.94 0.00 0.00 0.00
11 T1u 1290 1290 10.94 0.00 0.00 0.00
12 T1u 889 889 22.24 0.00 0.00 0.00
12 T1u 889 889 22.24 0.00 0.00 0.00
12 T1u 889 889 22.24 0.00 0.00 0.00
13 T2g 3193 3193 0.00 155.45 0.75 0.86
13 T2g 3193 3193 0.00 155.45 0.75 0.86
13 T2g 3193 3193 0.00 155.45 0.75 0.86
14 T2g 1258 1258 0.00 7.32 0.75 0.86
14 T2g 1258 1258 0.00 7.32 0.75 0.86
14 T2g 1258 1258 0.00 7.32 0.75 0.86
15 T2g 859 859 0.00 4.43 0.75 0.86
15 T2g 859 859 0.00 4.43 0.75 0.86
15 T2g 859 859 0.00 4.43 0.75 0.86
16 T2g 709 709 0.00 3.85 0.75 0.86
16 T2g 709 709 0.00 3.85 0.75 0.86
16 T2g 709 709 0.00 3.85 0.75 0.86
17 T2u 1120 1120 0.00 0.00 0.00 0.00
17 T2u 1120 1120 0.00 0.00 0.00 0.00
17 T2u 1120 1120 0.00 0.00 0.00 0.00
18 T2u 874 874 0.00 0.00 0.00 0.00
18 T2u 874 874 0.00 0.00 0.00 0.00
18 T2u 874 874 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 30121.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 30121.0 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 wB97X-D/SDD
ABC
0.11058 0.11058 0.11058

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

Point Group is Oh

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.791 0.791 0.791
C2 -0.791 0.791 0.791
C3 0.791 0.791 -0.791
C4 -0.791 0.791 -0.791
C5 0.791 -0.791 0.791
C6 -0.791 -0.791 0.791
C7 0.791 -0.791 -0.791
C8 -0.791 -0.791 -0.791
H9 1.418 1.418 1.418
H10 -1.418 1.418 1.418
H11 1.418 1.418 -1.418
H12 -1.418 1.418 -1.418
H13 1.418 -1.418 1.418
H14 -1.418 -1.418 1.418
H15 1.418 -1.418 -1.418
H16 -1.418 -1.418 -1.418

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.58131.58132.23631.58132.23632.23632.73891.08652.38012.38013.18582.38013.18583.18583.8255
C21.58132.23631.58132.23631.58132.73892.23632.38011.08653.18582.38013.18582.38013.82553.1858
C31.58132.23631.58132.23632.73891.58132.23632.38013.18581.08652.38013.18583.82552.38013.1858
C42.23631.58131.58132.73892.23632.23631.58133.18582.38012.38011.08653.82553.18583.18582.3801
C51.58132.23632.23632.73891.58131.58132.23632.38013.18583.18583.82551.08652.38012.38013.1858
C62.23631.58132.73892.23631.58132.23631.58133.18582.38013.82553.18582.38011.08653.18582.3801
C72.23632.73891.58132.23631.58132.23631.58133.18583.82552.38013.18582.38013.18581.08652.3801
C82.73892.23632.23631.58132.23631.58131.58133.82553.18583.18582.38013.18582.38012.38011.0865
H91.08652.38012.38013.18582.38013.18583.18583.82552.83592.83594.01062.83594.01064.01064.9120
H102.38011.08653.18582.38013.18582.38013.82553.18582.83594.01062.83594.01062.83594.91204.0106
H112.38013.18581.08652.38013.18583.82552.38013.18582.83594.01062.83594.01064.91202.83594.0106
H123.18582.38012.38011.08653.82553.18583.18582.38014.01062.83592.83594.91204.01064.01062.8359
H132.38013.18583.18583.82551.08652.38012.38013.18582.83594.01064.01064.91202.83592.83594.0106
H143.18582.38013.82553.18582.38011.08653.18582.38014.01062.83594.91204.01062.83594.01062.8359
H153.18583.82552.38013.18582.38013.18581.08652.38014.01064.91202.83594.01062.83594.01062.8359
H163.82553.18583.18582.38013.18582.38012.38011.08654.91204.01064.01062.83594.01062.83592.8359

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/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.248      
2 C -0.248      
3 C -0.248      
4 C -0.248      
5 C -0.248      
6 C -0.248      
7 C -0.248      
8 C -0.248      
9 H 0.248      
10 H 0.248      
11 H 0.248      
12 H 0.248      
13 H 0.248      
14 H 0.248      
15 H 0.248      
16 H 0.248      


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 -46.127 0.000 0.000
y 0.000 -46.127 0.000
z 0.000 0.000 -46.127
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 9.654 0.000 0.000
y 0.000 9.654 0.000
z 0.000 0.000 9.654


<r2> (average value of r2) Å2
<r2> 167.086
(<r2>)1/2 12.926