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All results from a given calculation for C8H8 (cubane)

using model chemistry: B97D3/TZVP

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/TZVP
 hartrees
Energy at 0K-309.337089
Energy at 298.15K-309.346915
HF Energy-309.337089
Nuclear repulsion energy366.397443
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/TZVP
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 3083 3038 0.00 746.00 0.00 0.00
2 A1g 989 975 0.00 63.29 0.00 0.00
3 A2u 3045 3001 0.00 0.00 0.00 0.00
4 A2u 964 950 0.00 0.00 0.00 0.00
5 Eg 1083 1067 0.00 0.07 0.75 0.86
5 Eg 1083 1067 0.00 0.07 0.75 0.86
6 Eg 896 884 0.00 30.89 0.75 0.86
6 Eg 896 884 0.00 30.89 0.75 0.86
7 Eu 1160 1143 0.00 0.00 0.00 0.00
7 Eu 1160 1143 0.00 0.00 0.00 0.00
8 Eu 603 594 0.00 0.00 0.00 0.00
8 Eu 603 594 0.00 0.00 0.00 0.00
9 T1g 1134 1118 0.00 0.00 0.00 0.00
9 T1g 1134 1118 0.00 0.00 0.00 0.00
9 T1g 1134 1118 0.00 0.00 0.00 0.00
10 T1u 3063 3019 166.86 0.00 0.00 0.00
10 T1u 3063 3019 166.86 0.00 0.00 0.00
10 T1u 3063 3019 166.86 0.00 0.00 0.00
11 T1u 1236 1219 5.33 0.00 0.00 0.00
11 T1u 1236 1219 5.33 0.00 0.00 0.00
11 T1u 1236 1219 5.33 0.00 0.00 0.00
12 T1u 842 830 9.88 0.00 0.00 0.00
12 T1u 842 830 9.88 0.00 0.00 0.00
12 T1u 842 830 9.88 0.00 0.00 0.00
13 T2g 3056 3012 0.00 286.13 0.75 0.86
13 T2g 3056 3012 0.00 286.13 0.75 0.86
13 T2g 3056 3012 0.00 286.13 0.75 0.86
14 T2g 1187 1170 0.00 8.28 0.75 0.86
14 T2g 1187 1170 0.00 8.28 0.75 0.86
14 T2g 1187 1170 0.00 8.28 0.75 0.86
15 T2g 818 806 0.00 4.36 0.75 0.86
15 T2g 818 806 0.00 4.36 0.75 0.86
15 T2g 818 806 0.00 4.36 0.75 0.86
16 T2g 658 648 0.00 1.15 0.75 0.86
16 T2g 658 648 0.00 1.15 0.75 0.86
16 T2g 658 648 0.00 1.15 0.75 0.86
17 T2u 1035 1020 0.00 0.00 0.00 0.00
17 T2u 1035 1020 0.00 0.00 0.00 0.00
17 T2u 1035 1020 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) 28554.7 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 28143.5 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/TZVP
ABC
0.11162 0.11162 0.11162

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

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 1.416 1.416 1.416
H10 -1.416 1.416 1.416
H11 1.416 1.416 -1.416
H12 -1.416 1.416 -1.416
H13 1.416 -1.416 1.416
H14 -1.416 -1.416 1.416
H15 1.416 -1.416 -1.416
H16 -1.416 -1.416 -1.416

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.57241.57242.22371.57242.22372.22372.72351.09172.37622.37623.17822.37623.17823.17823.8152
C21.57242.22371.57242.22371.57242.72352.22372.37621.09173.17822.37623.17822.37623.81523.1782
C31.57242.22371.57242.22372.72351.57242.22372.37623.17821.09172.37623.17823.81522.37623.1782
C42.22371.57241.57242.72352.22372.22371.57243.17822.37622.37621.09173.81523.17823.17822.3762
C51.57242.22372.22372.72351.57241.57242.22372.37623.17823.17823.81521.09172.37622.37623.1782
C62.22371.57242.72352.22371.57242.22371.57243.17822.37623.81523.17822.37621.09173.17822.3762
C72.22372.72351.57242.22371.57242.22371.57243.17823.81522.37623.17822.37623.17821.09172.3762
C82.72352.22372.22371.57242.22371.57241.57243.81523.17823.17822.37623.17822.37622.37621.0917
H91.09172.37622.37623.17822.37623.17823.17823.81522.83302.83304.00652.83304.00654.00654.9069
H102.37621.09173.17822.37623.17822.37623.81523.17822.83304.00652.83304.00652.83304.90694.0065
H112.37623.17821.09172.37623.17823.81522.37623.17822.83304.00652.83304.00654.90692.83304.0065
H123.17822.37622.37621.09173.81523.17823.17822.37624.00652.83302.83304.90694.00654.00652.8330
H132.37623.17823.17823.81521.09172.37622.37623.17822.83304.00654.00654.90692.83302.83304.0065
H143.17822.37623.81523.17822.37621.09173.17822.37624.00652.83304.90694.00652.83304.00652.8330
H153.17823.81522.37623.17822.37623.17821.09172.37624.00654.90692.83304.00652.83304.00652.8330
H163.81523.17823.17822.37623.17822.37622.37621.09174.90694.00654.00652.83304.00652.83302.8330

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/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.114      
2 C -0.114      
3 C -0.114      
4 C -0.114      
5 C -0.114      
6 C -0.114      
7 C -0.114      
8 C -0.114      
9 H 0.114      
10 H 0.114      
11 H 0.114      
12 H 0.114      
13 H 0.114      
14 H 0.114      
15 H 0.114      
16 H 0.114      


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 -46.938 0.000 0.000
y 0.000 -46.938 0.000
z 0.000 0.000 -46.938
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 11.188 0.000 0.000
y 0.000 11.188 0.000
z 0.000 0.000 11.188


<r2> (average value of r2) Å2
<r2> 166.478
(<r2>)1/2 12.903