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All results from a given calculation for C8H8 (cubane)

using model chemistry: wB97X-D/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-309.475788
Energy at 298.15K-309.485890
HF Energy-309.475788
Nuclear repulsion energy369.160453
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/daug-cc-pVTZ
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 3160 3160 0.00 700.75 0.00 0.00
2 A1g 1043 1043 0.00 72.19 0.00 0.00
3 A2u 3124 3124 0.00 0.00 0.00 0.00
4 A2u 1052 1052 0.00 0.00 0.00 0.00
5 Eg 1142 1142 0.00 0.33 0.75 0.86
5 Eg 1142 1142 0.00 0.33 0.75 0.86
6 Eg 931 931 0.00 20.77 0.75 0.86
6 Eg 931 931 0.00 20.77 0.75 0.86
7 Eu 1194 1194 0.00 0.00 0.00 0.00
7 Eu 1194 1194 0.00 0.00 0.00 0.00
8 Eu 629 629 0.00 0.00 0.00 0.00
8 Eu 629 629 0.00 0.00 0.00 0.00
9 T1g 1179 1179 0.00 0.00 0.75 0.86
9 T1g 1179 1179 0.00 0.00 0.75 0.86
9 T1g 1179 1179 0.00 0.00 0.75 0.86
10 T1u 3141 3141 116.90 0.00 0.00 0.00
10 T1u 3141 3141 116.90 0.00 0.00 0.00
10 T1u 3141 3141 116.90 0.00 0.00 0.00
11 T1u 1289 1289 5.18 0.00 0.00 0.00
11 T1u 1289 1289 5.18 0.00 0.00 0.00
11 T1u 1289 1289 5.18 0.00 0.00 0.00
12 T1u 888 888 10.75 0.00 0.00 0.00
12 T1u 888 888 10.75 0.00 0.00 0.00
12 T1u 888 888 10.75 0.00 0.00 0.00
13 T2g 3133 3133 0.00 232.16 0.75 0.86
13 T2g 3133 3133 0.00 232.17 0.75 0.86
13 T2g 3133 3133 0.00 232.17 0.75 0.86
14 T2g 1245 1245 0.00 6.08 0.75 0.86
14 T2g 1245 1245 0.00 6.08 0.75 0.86
14 T2g 1245 1245 0.00 6.08 0.75 0.86
15 T2g 861 861 0.00 1.94 0.75 0.86
15 T2g 861 861 0.00 1.94 0.75 0.86
15 T2g 861 861 0.00 1.94 0.75 0.86
16 T2g 679 679 0.00 0.55 0.75 0.86
16 T2g 679 679 0.00 0.55 0.75 0.86
16 T2g 679 679 0.00 0.55 0.75 0.86
17 T2u 1097 1097 0.00 0.00 0.00 0.00
17 T2u 1097 1097 0.00 0.00 0.00 0.00
17 T2u 1097 1097 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) 29639.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 29639.5 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/daug-cc-pVTZ
ABC
0.11332 0.11332 0.11332

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

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
C11.56021.56022.20651.56022.20652.20652.70241.08542.35962.35963.15562.35963.15563.15563.7878
C21.56022.20651.56022.20651.56022.70242.20652.35961.08543.15562.35963.15562.35963.78783.1556
C31.56022.20651.56022.20652.70241.56022.20652.35963.15561.08542.35963.15563.78782.35963.1556
C42.20651.56021.56022.70242.20652.20651.56023.15562.35962.35961.08543.78783.15563.15562.3596
C51.56022.20652.20652.70241.56021.56022.20652.35963.15563.15563.78781.08542.35962.35963.1556
C62.20651.56022.70242.20651.56022.20651.56023.15562.35963.78783.15562.35961.08543.15562.3596
C72.20652.70241.56022.20651.56022.20651.56023.15563.78782.35963.15562.35963.15561.08542.3596
C82.70242.20652.20651.56022.20651.56021.56023.78783.15563.15562.35963.15562.35962.35961.0854
H91.08542.35962.35963.15562.35963.15563.15563.78782.81352.81353.97892.81353.97893.97894.8732
H102.35961.08543.15562.35963.15562.35963.78783.15562.81353.97892.81353.97892.81354.87323.9789
H112.35963.15561.08542.35963.15563.78782.35963.15562.81353.97892.81353.97894.87322.81353.9789
H123.15562.35962.35961.08543.78783.15563.15562.35963.97892.81352.81354.87323.97893.97892.8135
H132.35963.15563.15563.78781.08542.35962.35963.15562.81353.97893.97894.87322.81352.81353.9789
H143.15562.35963.78783.15562.35961.08543.15562.35963.97892.81354.87323.97892.81353.97892.8135
H153.15563.78782.35963.15562.35963.15561.08542.35963.97894.87322.81353.97892.81353.97892.8135
H163.78783.15563.15562.35963.15562.35962.35961.08544.87323.97893.97892.81353.97892.81352.8135

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/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.798      
2 C -0.798      
3 C -0.798      
4 C -0.798      
5 C -0.798      
6 C -0.798      
7 C -0.798      
8 C -0.798      
9 H 0.798      
10 H 0.798      
11 H 0.798      
12 H 0.798      
13 H 0.798      
14 H 0.798      
15 H 0.798      
16 H 0.798      


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 -46.397 0.000 0.000
y 0.000 -46.397 0.000
z 0.000 0.000 -46.397
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 11.148 0.000 0.000
y 0.000 11.148 0.000
z 0.000 0.000 11.148


<r2> (average value of r2) Å2
<r2> 164.110
(<r2>)1/2 12.811