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All results from a given calculation for C8H8 (cubane)

using model chemistry: wB97X-D/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 wB97X-D/TZVP
 hartrees
Energy at 0K-309.466346
Energy at 298.15K-309.476450
HF Energy-309.466346
Nuclear repulsion energy368.732330
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/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 3168 3025 0.00 632.26 0.00 0.00
2 A1g 1039 993 0.00 64.58 0.00 0.00
3 A2u 3133 2992 0.00 0.00 0.00 0.00
4 A2u 1030 983 0.00 0.00 0.00 0.00
5 Eg 1144 1093 0.00 0.28 0.75 0.86
5 Eg 1144 1093 0.00 0.28 0.75 0.86
6 Eg 932 890 0.00 28.46 0.75 0.86
6 Eg 932 890 0.00 28.46 0.75 0.86
7 Eu 1194 1141 0.00 0.00 0.00 0.00
7 Eu 1194 1141 0.00 0.00 0.00 0.00
8 Eu 624 596 0.00 0.00 0.00 0.00
8 Eu 624 596 0.00 0.00 0.00 0.00
9 T1g 1177 1125 0.00 0.00 0.00 0.00
9 T1g 1177 1125 0.00 0.00 0.00 0.00
9 T1g 1177 1125 0.00 0.00 0.00 0.00
10 T1u 3150 3008 112.26 0.00 0.00 0.00
10 T1u 3150 3008 112.26 0.00 0.00 0.00
10 T1u 3150 3008 112.26 0.00 0.00 0.00
11 T1u 1289 1231 6.54 0.00 0.00 0.00
11 T1u 1289 1231 6.54 0.00 0.00 0.00
11 T1u 1289 1231 6.54 0.00 0.00 0.00
12 T1u 884 844 12.04 0.00 0.00 0.00
12 T1u 884 844 12.04 0.00 0.00 0.00
12 T1u 884 844 12.04 0.00 0.00 0.00
13 T2g 3142 3001 0.00 224.50 0.75 0.86
13 T2g 3142 3001 0.00 224.50 0.75 0.86
13 T2g 3142 3001 0.00 224.50 0.75 0.86
14 T2g 1246 1190 0.00 6.46 0.75 0.86
14 T2g 1246 1190 0.00 6.46 0.75 0.86
14 T2g 1246 1190 0.00 6.46 0.75 0.86
15 T2g 858 819 0.00 4.86 0.75 0.86
15 T2g 858 819 0.00 4.86 0.75 0.86
15 T2g 858 819 0.00 4.86 0.75 0.86
16 T2g 670 640 0.00 1.79 0.75 0.86
16 T2g 670 640 0.00 1.79 0.75 0.86
16 T2g 670 640 0.00 1.79 0.75 0.86
17 T2u 1101 1051 0.00 0.00 0.00 0.00
17 T2u 1101 1051 0.00 0.00 0.00 0.00
17 T2u 1101 1051 0.00 0.00 0.00 0.00
18 T2u 859 820 0.00 0.00 0.00 0.00
18 T2u 859 820 0.00 0.00 0.00 0.00
18 T2u 859 820 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 29641.9 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 28308.0 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/TZVP
ABC
0.11306 0.11306 0.11306

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

Point Group is Oh

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.781 0.781 0.781
C2 -0.781 0.781 0.781
C3 0.781 0.781 -0.781
C4 -0.781 0.781 -0.781
C5 0.781 -0.781 0.781
C6 -0.781 -0.781 0.781
C7 0.781 -0.781 -0.781
C8 -0.781 -0.781 -0.781
H9 1.408 1.408 1.408
H10 -1.408 1.408 1.408
H11 1.408 1.408 -1.408
H12 -1.408 1.408 -1.408
H13 1.408 -1.408 1.408
H14 -1.408 -1.408 1.408
H15 1.408 -1.408 -1.408
H16 -1.408 -1.408 -1.408

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.56201.56202.20911.56202.20912.20912.70551.08672.36242.36243.15922.36243.15923.15923.7922
C21.56202.20911.56202.20911.56202.70552.20912.36241.08673.15922.36243.15922.36243.79223.1592
C31.56202.20911.56202.20912.70551.56202.20912.36243.15921.08672.36243.15923.79222.36243.1592
C42.20911.56201.56202.70552.20912.20911.56203.15922.36242.36241.08673.79223.15923.15922.3624
C51.56202.20912.20912.70551.56201.56202.20912.36243.15923.15923.79221.08672.36242.36243.1592
C62.20911.56202.70552.20911.56202.20911.56203.15922.36243.79223.15922.36241.08673.15922.3624
C72.20912.70551.56202.20911.56202.20911.56203.15923.79222.36243.15922.36243.15921.08672.3624
C82.70552.20912.20911.56202.20911.56201.56203.79223.15923.15922.36243.15922.36242.36241.0867
H91.08672.36242.36243.15922.36243.15923.15923.79222.81682.81683.98362.81683.98363.98364.8789
H102.36241.08673.15922.36243.15922.36243.79223.15922.81683.98362.81683.98362.81684.87893.9836
H112.36243.15921.08672.36243.15923.79222.36243.15922.81683.98362.81683.98364.87892.81683.9836
H123.15922.36242.36241.08673.79223.15923.15922.36243.98362.81682.81684.87893.98363.98362.8168
H132.36243.15923.15923.79221.08672.36242.36243.15922.81683.98363.98364.87892.81682.81683.9836
H143.15922.36243.79223.15922.36241.08673.15922.36243.98362.81684.87893.98362.81683.98362.8168
H153.15923.79222.36243.15922.36243.15921.08672.36243.98364.87892.81683.98362.81683.98362.8168
H163.79223.15923.15922.36243.15922.36242.36241.08674.87893.98363.98362.81683.98362.81682.8168

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/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.144      
2 C -0.144      
3 C -0.144      
4 C -0.144      
5 C -0.144      
6 C -0.144      
7 C -0.144      
8 C -0.144      
9 H 0.144      
10 H 0.144      
11 H 0.144      
12 H 0.144      
13 H 0.144      
14 H 0.144      
15 H 0.144      
16 H 0.144      


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 -46.404 0.000 0.000
y 0.000 -46.404 0.000
z 0.000 0.000 -46.404
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 10.620 0.000 0.000
y 0.000 10.620 0.000
z 0.000 0.000 10.620


<r2> (average value of r2) Å2
<r2> 164.428
(<r2>)1/2 12.823