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All results from a given calculation for C8H8 (cubane)

using model chemistry: TPSSh/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes OH 1A1G
Energy calculated at TPSSh/Def2TZVPP
 hartrees
Energy at 0K-309.610314
Energy at 298.15K-309.620312
HF Energy-309.610314
Nuclear repulsion energy367.980482
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 TPSSh/Def2TZVPP
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 3119 3119 0.00 729.28 0.00 0.00
2 A1g 1021 1021 0.00 67.16 0.00 0.00
3 A2u 3080 3080 0.00 0.00 0.00 0.00
4 A2u 1036 1036 0.00 0.00 0.00 0.00
5 Eg 1116 1116 0.00 0.00 0.75 0.86
5 Eg 1116 1116 0.00 0.00 0.75 0.86
6 Eg 921 921 0.00 26.76 0.75 0.86
6 Eg 921 921 0.00 26.76 0.75 0.86
7 Eu 1178 1178 0.00 0.00 0.00 0.00
7 Eu 1178 1178 0.00 0.00 0.00 0.00
8 Eu 619 619 0.00 0.00 0.00 0.00
8 Eu 619 619 0.00 0.00 0.00 0.00
9 T1g 1163 1163 0.00 0.00 0.00 0.00
9 T1g 1163 1163 0.00 0.00 0.00 0.00
9 T1g 1163 1163 0.00 0.00 0.00 0.00
10 T1u 3099 3099 150.52 0.00 0.00 0.00
10 T1u 3099 3099 150.52 0.00 0.00 0.00
10 T1u 3099 3099 150.52 0.00 0.00 0.00
11 T1u 1271 1271 3.59 0.00 0.00 0.00
11 T1u 1271 1271 3.59 0.00 0.00 0.00
11 T1u 1271 1271 3.59 0.00 0.00 0.00
12 T1u 872 872 8.68 0.00 0.00 0.00
12 T1u 872 872 8.68 0.00 0.00 0.00
12 T1u 872 872 8.68 0.00 0.00 0.00
13 T2g 3091 3091 0.00 269.35 0.75 0.86
13 T2g 3091 3091 0.00 269.35 0.75 0.86
13 T2g 3091 3091 0.00 269.35 0.75 0.86
14 T2g 1223 1223 0.00 6.92 0.75 0.86
14 T2g 1223 1223 0.00 6.92 0.75 0.86
14 T2g 1223 1223 0.00 6.92 0.75 0.86
15 T2g 844 844 0.00 3.33 0.75 0.86
15 T2g 844 844 0.00 3.33 0.75 0.86
15 T2g 844 844 0.00 3.33 0.75 0.86
16 T2g 667 667 0.00 1.01 0.75 0.86
16 T2g 667 667 0.00 1.01 0.75 0.86
16 T2g 667 667 0.00 1.01 0.75 0.86
17 T2u 1068 1068 0.00 0.00 0.00 0.00
17 T2u 1068 1068 0.00 0.00 0.00 0.00
17 T2u 1068 1068 0.00 0.00 0.00 0.00
18 T2u 842 842 0.00 0.00 0.00 0.00
18 T2u 842 842 0.00 0.00 0.00 0.00
18 T2u 842 842 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 29172.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 29172.8 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 TPSSh/Def2TZVPP
ABC
0.11260 0.11260 0.11260

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/Def2TZVPP

Point Group is Oh

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.783 0.783 0.783
C2 -0.783 0.783 0.783
C3 0.783 0.783 -0.783
C4 -0.783 0.783 -0.783
C5 0.783 -0.783 0.783
C6 -0.783 -0.783 0.783
C7 0.783 -0.783 -0.783
C8 -0.783 -0.783 -0.783
H9 1.411 1.411 1.411
H10 -1.411 1.411 1.411
H11 1.411 1.411 -1.411
H12 -1.411 1.411 -1.411
H13 1.411 -1.411 1.411
H14 -1.411 -1.411 1.411
H15 1.411 -1.411 -1.411
H16 -1.411 -1.411 -1.411

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.56531.56532.21361.56532.21362.21362.71111.08872.36712.36713.16562.36713.16563.16563.7998
C21.56532.21361.56532.21361.56532.71112.21362.36711.08873.16562.36713.16562.36713.79983.1656
C31.56532.21361.56532.21362.71111.56532.21362.36713.16561.08872.36713.16563.79982.36713.1656
C42.21361.56531.56532.71112.21362.21361.56533.16562.36712.36711.08873.79983.16563.16562.3671
C51.56532.21362.21362.71111.56531.56532.21362.36713.16563.16563.79981.08872.36712.36713.1656
C62.21361.56532.71112.21361.56532.21361.56533.16562.36713.79983.16562.36711.08873.16562.3671
C72.21362.71111.56532.21361.56532.21361.56533.16563.79982.36713.16562.36713.16561.08872.3671
C82.71112.21362.21361.56532.21361.56531.56533.79983.16563.16562.36713.16562.36712.36711.0887
H91.08872.36712.36713.16562.36713.16563.16563.79982.82242.82243.99152.82243.99153.99154.8885
H102.36711.08873.16562.36713.16562.36713.79983.16562.82243.99152.82243.99152.82244.88853.9915
H112.36713.16561.08872.36713.16563.79982.36713.16562.82243.99152.82243.99154.88852.82243.9915
H123.16562.36712.36711.08873.79983.16563.16562.36713.99152.82242.82244.88853.99153.99152.8224
H132.36713.16563.16563.79981.08872.36712.36713.16562.82243.99153.99154.88852.82242.82243.9915
H143.16562.36713.79983.16562.36711.08873.16562.36713.99152.82244.88853.99152.82243.99152.8224
H153.16563.79982.36713.16562.36713.16561.08872.36713.99154.88852.82243.99152.82243.99152.8224
H163.79983.16563.16562.36713.16562.36712.36711.08874.88853.99153.99152.82243.99152.82242.8224

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 TPSSh/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.063      
2 C -0.063      
3 C -0.063      
4 C -0.063      
5 C -0.063      
6 C -0.063      
7 C -0.063      
8 C -0.063      
9 H 0.063      
10 H 0.063      
11 H 0.063      
12 H 0.063      
13 H 0.063      
14 H 0.063      
15 H 0.063      
16 H 0.063      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.219 0.000 0.000
y 0.000 11.219 0.000
z 0.000 0.000 11.219


<r2> (average value of r2) Å2
<r2> 165.160
(<r2>)1/2 12.851