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All results from a given calculation for C8H8 (cubane)

using model chemistry: B97D3/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes OH 1A1G
Energy calculated at B97D3/6-31G**
 hartrees
Energy at 0K-309.258204
Energy at 298.15K-309.268065
HF Energy-309.258204
Nuclear repulsion energy366.095973
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 B97D3/6-31G**
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 3092 3092 0.00 592.19 0.00 0.00
2 A1g 993 993 0.00 49.77 0.00 0.00
3 A2u 3054 3054 0.00 0.00 0.00 0.00
4 A2u 1016 1016 0.00 0.00 0.00 0.00
5 Eg 1092 1092 0.00 2.22 0.75 0.86
5 Eg 1092 1092 0.00 2.22 0.75 0.86
6 Eg 904 904 0.00 39.65 0.75 0.86
6 Eg 904 904 0.00 39.65 0.75 0.86
7 Eu 1161 1161 0.00 0.00 0.00 0.00
7 Eu 1161 1161 0.00 0.00 0.00 0.00
8 Eu 611 611 0.00 0.00 0.00 0.00
8 Eu 611 611 0.00 0.00 0.00 0.00
9 T1g 1133 1133 0.00 0.00 0.00 0.00
9 T1g 1133 1133 0.00 0.00 0.00 0.00
9 T1g 1133 1133 0.00 0.00 0.00 0.00
10 T1u 3072 3072 171.52 0.00 0.00 0.00
10 T1u 3072 3072 171.52 0.00 0.00 0.00
10 T1u 3072 3072 171.52 0.00 0.00 0.00
11 T1u 1249 1249 2.21 0.00 0.00 0.00
11 T1u 1249 1249 2.21 0.00 0.00 0.00
11 T1u 1249 1249 2.21 0.00 0.00 0.00
12 T1u 851 851 5.68 0.00 0.00 0.00
12 T1u 851 851 5.68 0.00 0.00 0.00
12 T1u 851 851 5.68 0.00 0.00 0.00
13 T2g 3066 3066 0.00 262.88 0.75 0.86
13 T2g 3066 3066 0.00 262.88 0.75 0.86
13 T2g 3066 3066 0.00 262.88 0.75 0.86
14 T2g 1204 1204 0.00 12.65 0.75 0.86
14 T2g 1204 1204 0.00 12.65 0.75 0.86
14 T2g 1204 1204 0.00 12.65 0.75 0.86
15 T2g 828 828 0.00 7.66 0.75 0.86
15 T2g 828 828 0.00 7.66 0.75 0.86
15 T2g 828 828 0.00 7.66 0.75 0.86
16 T2g 667 667 0.00 0.83 0.75 0.86
16 T2g 667 667 0.00 0.83 0.75 0.86
16 T2g 667 667 0.00 0.83 0.75 0.86
17 T2u 1047 1047 0.00 0.00 0.00 0.00
17 T2u 1047 1047 0.00 0.00 0.00 0.00
17 T2u 1047 1047 0.00 0.00 0.00 0.00
18 T2u 831 831 0.00 0.00 0.00 0.00
18 T2u 831 831 0.00 0.00 0.00 0.00
18 T2u 831 831 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 28767.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 28767.2 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 B97D3/6-31G**
ABC
0.11145 0.11145 0.11145

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G**

Point Group is Oh

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.787 0.787 0.787
C2 -0.787 0.787 0.787
C3 0.787 0.787 -0.787
C4 -0.787 0.787 -0.787
C5 0.787 -0.787 0.787
C6 -0.787 -0.787 0.787
C7 0.787 -0.787 -0.787
C8 -0.787 -0.787 -0.787
H9 1.419 1.419 1.419
H10 -1.419 1.419 1.419
H11 1.419 1.419 -1.419
H12 -1.419 1.419 -1.419
H13 1.419 -1.419 1.419
H14 -1.419 -1.419 1.419
H15 1.419 -1.419 -1.419
H16 -1.419 -1.419 -1.419

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.57321.57322.22491.57322.22492.22492.72491.09472.37952.37953.18212.37953.18213.18213.8197
C21.57322.22491.57322.22491.57322.72492.22492.37951.09473.18212.37953.18212.37953.81973.1821
C31.57322.22491.57322.22492.72491.57322.22492.37953.18211.09472.37953.18213.81972.37953.1821
C42.22491.57321.57322.72492.22492.22491.57323.18212.37952.37951.09473.81973.18213.18212.3795
C51.57322.22492.22492.72491.57321.57322.22492.37953.18213.18213.81971.09472.37952.37953.1821
C62.22491.57322.72492.22491.57322.22491.57323.18212.37953.81973.18212.37951.09473.18212.3795
C72.22492.72491.57322.22491.57322.22491.57323.18213.81972.37953.18212.37953.18211.09472.3795
C82.72492.22492.22491.57322.22491.57321.57323.81973.18213.18212.37953.18212.37952.37951.0947
H91.09472.37952.37953.18212.37953.18213.18213.81972.83732.83734.01262.83734.01264.01264.9144
H102.37951.09473.18212.37953.18212.37953.81973.18212.83734.01262.83734.01262.83734.91444.0126
H112.37953.18211.09472.37953.18213.81972.37953.18212.83734.01262.83734.01264.91442.83734.0126
H123.18212.37952.37951.09473.81973.18213.18212.37954.01262.83732.83734.91444.01264.01262.8373
H132.37953.18213.18213.81971.09472.37952.37953.18212.83734.01264.01264.91442.83732.83734.0126
H143.18212.37953.81973.18212.37951.09473.18212.37954.01262.83734.91444.01262.83734.01262.8373
H153.18213.81972.37953.18212.37953.18211.09472.37954.01264.91442.83734.01262.83734.01262.8373
H163.81973.18213.18212.37953.18212.37952.37951.09474.91444.01264.01262.83734.01262.83732.8373

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 B97D3/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.074      
2 C -0.074      
3 C -0.074      
4 C -0.074      
5 C -0.074      
6 C -0.074      
7 C -0.074      
8 C -0.074      
9 H 0.074      
10 H 0.074      
11 H 0.074      
12 H 0.074      
13 H 0.074      
14 H 0.074      
15 H 0.074      
16 H 0.074      


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 -46.102 0.000 0.000
y 0.000 -46.102 0.000
z 0.000 0.000 -46.102
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 10.210 0.000 0.000
y 0.000 10.210 0.000
z 0.000 0.000 10.210


<r2> (average value of r2) Å2
<r2> 166.199
(<r2>)1/2 12.892