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All results from a given calculation for C8H8 (cubane)

using model chemistry: B97D3/6-311+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 B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-309.337168
Energy at 298.15K-309.347017
HF Energy-309.337168
Nuclear repulsion energy366.698469
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 B97D3/6-311+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 3072 3032 0.00 820.02 0.00 0.00
2 A1g 991 978 0.00 70.03 0.00 0.00
3 A2u 3033 2994 0.00 0.00 0.00 0.00
4 A2u 1023 1010 0.00 0.00 0.00 0.00
5 Eg 1079 1065 0.00 0.00 0.75 0.86
5 Eg 1079 1065 0.00 0.00 0.75 0.86
6 Eg 896 885 0.00 23.32 0.75 0.86
6 Eg 896 885 0.00 23.32 0.75 0.86
7 Eu 1151 1136 0.00 0.00 0.00 0.00
7 Eu 1151 1136 0.00 0.00 0.00 0.00
8 Eu 606 598 0.00 0.00 0.00 0.00
8 Eu 606 598 0.00 0.00 0.00 0.00
9 T1g 1133 1119 0.00 0.00 0.75 0.86
9 T1g 1133 1119 0.00 0.00 0.00 0.00
9 T1g 1133 1119 0.00 0.00 0.75 0.86
10 T1u 3051 3012 173.86 0.00 0.00 0.00
10 T1u 3051 3012 173.86 0.00 0.00 0.00
10 T1u 3051 3012 173.86 0.00 0.00 0.00
11 T1u 1235 1219 4.32 0.00 0.00 0.00
11 T1u 1235 1219 4.32 0.00 0.00 0.00
11 T1u 1235 1219 4.32 0.00 0.00 0.00
12 T1u 846 835 8.56 0.00 0.00 0.00
12 T1u 846 835 8.56 0.00 0.00 0.00
12 T1u 846 835 8.56 0.00 0.00 0.00
13 T2g 3044 3005 0.00 301.61 0.75 0.86
13 T2g 3044 3005 0.00 301.61 0.75 0.86
13 T2g 3044 3005 0.00 301.61 0.75 0.86
14 T2g 1185 1170 0.00 5.93 0.75 0.86
14 T2g 1185 1170 0.00 5.93 0.75 0.86
14 T2g 1185 1170 0.00 5.93 0.75 0.86
15 T2g 820 809 0.00 1.45 0.75 0.86
15 T2g 820 809 0.00 1.45 0.75 0.86
15 T2g 820 809 0.00 1.45 0.75 0.86
16 T2g 665 656 0.00 0.54 0.75 0.86
16 T2g 665 656 0.00 0.54 0.75 0.86
16 T2g 665 656 0.00 0.54 0.75 0.86
17 T2u 1031 1018 0.00 0.00 0.00 0.00
17 T2u 1031 1018 0.00 0.00 0.00 0.00
17 T2u 1031 1018 0.00 0.00 0.00 0.00
18 T2u 820 809 0.00 0.00 0.00 0.00
18 T2u 820 809 0.00 0.00 0.00 0.00
18 T2u 820 809 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 28535.5 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 28164.5 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 B97D3/6-311+G(3df,2p)
ABC
0.11180 0.11180 0.11180

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is Oh

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.786 0.786 0.786
C2 -0.786 0.786 0.786
C3 0.786 0.786 -0.786
C4 -0.786 0.786 -0.786
C5 0.786 -0.786 0.786
C6 -0.786 -0.786 0.786
C7 0.786 -0.786 -0.786
C8 -0.786 -0.786 -0.786
H9 1.415 1.415 1.415
H10 -1.415 1.415 1.415
H11 1.415 1.415 -1.415
H12 -1.415 1.415 -1.415
H13 1.415 -1.415 1.415
H14 -1.415 -1.415 1.415
H15 1.415 -1.415 -1.415
H16 -1.415 -1.415 -1.415

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.57101.57102.22181.57102.22182.22182.72111.09112.37452.37453.17582.37453.17583.17583.8122
C21.57102.22181.57102.22181.57102.72112.22182.37451.09113.17582.37453.17582.37453.81223.1758
C31.57102.22181.57102.22182.72111.57102.22182.37453.17581.09112.37453.17583.81222.37453.1758
C42.22181.57101.57102.72112.22182.22181.57103.17582.37452.37451.09113.81223.17583.17582.3745
C51.57102.22182.22182.72111.57101.57102.22182.37453.17583.17583.81221.09112.37452.37453.1758
C62.22181.57102.72112.22181.57102.22181.57103.17582.37453.81223.17582.37451.09113.17582.3745
C72.22182.72111.57102.22181.57102.22181.57103.17583.81222.37453.17582.37453.17581.09112.3745
C82.72112.22182.22181.57102.22181.57101.57103.81223.17583.17582.37453.17582.37452.37451.0911
H91.09112.37452.37453.17582.37453.17583.17583.81222.83102.83104.00362.83104.00364.00364.9034
H102.37451.09113.17582.37453.17582.37453.81223.17582.83104.00362.83104.00362.83104.90344.0036
H112.37453.17581.09112.37453.17583.81222.37453.17582.83104.00362.83104.00364.90342.83104.0036
H123.17582.37452.37451.09113.81223.17583.17582.37454.00362.83102.83104.90344.00364.00362.8310
H132.37453.17583.17583.81221.09112.37452.37453.17582.83104.00364.00364.90342.83102.83104.0036
H143.17582.37453.81223.17582.37451.09113.17582.37454.00362.83104.90344.00362.83104.00362.8310
H153.17583.81222.37453.17582.37453.17581.09112.37454.00364.90342.83104.00362.83104.00362.8310
H163.81223.17583.17582.37453.17582.37452.37451.09114.90344.00364.00362.83104.00362.83102.8310

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 B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.083      
2 C -0.083      
3 C -0.083      
4 C -0.083      
5 C -0.083      
6 C -0.083      
7 C -0.083      
8 C -0.083      
9 H 0.083      
10 H 0.083      
11 H 0.083      
12 H 0.083      
13 H 0.083      
14 H 0.083      
15 H 0.083      
16 H 0.083      


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 -47.050 0.000 0.000
y 0.000 -47.050 0.000
z 0.000 0.000 -47.050
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 11.814 0.000 0.000
y 0.000 11.814 0.000
z 0.000 0.000 11.814


<r2> (average value of r2) Å2
<r2> 166.326
(<r2>)1/2 12.897