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All results from a given calculation for C8H8 (cubane)

using model chemistry: B3LYPultrafine/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes OH 1A1G
Energy calculated at B3LYPultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-309.492406
Energy at 298.15K-309.502397
HF Energy-309.492406
Nuclear repulsion energy366.022299
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 B3LYPultrafine/daug-cc-pVDZ
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 3130 3130 0.00 6568.59 0.00 0.00
2 A1g 1017 1017 0.00 52158.35 0.00 0.00
3 A2u 3094 3094 0.00 0.00 0.00 0.00
4 A2u 1046 1046 0.00 0.00 0.00 0.00
5 Eg 1108 1108 0.00 3318.95 0.75 0.86
5 Eg 1108 1108 0.00 3319.70 0.75 0.86
6 Eg 906 906 0.00 1846.22 0.75 0.86
6 Eg 906 906 0.00 1844.50 0.75 0.86
7 Eu 1169 1169 0.00 0.00 0.00 0.00
7 Eu 1169 1169 0.00 0.00 0.00 0.00
8 Eu 612 612 0.00 0.00 0.00 0.00
8 Eu 612 612 0.00 0.00 0.00 0.00
9 T1g 1154 1154 0.00 0.00 0.75 0.86
9 T1g 1154 1154 0.00 0.00 0.75 0.86
9 T1g 1154 1154 0.00 0.00 0.75 0.86
10 T1u 3112 3112 140.23 0.00 0.00 0.00
10 T1u 3112 3112 140.23 0.00 0.00 0.00
10 T1u 3112 3112 140.23 0.00 0.00 0.00
11 T1u 1260 1260 3.93 0.00 0.00 0.00
11 T1u 1260 1260 3.93 0.00 0.00 0.00
11 T1u 1260 1260 3.93 0.00 0.00 0.00
12 T1u 861 861 9.52 0.00 0.00 0.00
12 T1u 861 861 9.52 0.00 0.00 0.00
12 T1u 861 861 9.52 0.00 0.00 0.00
13 T2g 3103 3103 0.00 3945.03 0.75 0.86
13 T2g 3103 3103 0.00 3944.15 0.75 0.86
13 T2g 3103 3103 0.00 3946.70 0.75 0.86
14 T2g 1214 1214 0.00 224.87 0.75 0.86
14 T2g 1214 1214 0.00 225.11 0.75 0.86
14 T2g 1214 1214 0.00 224.47 0.75 0.86
15 T2g 832 832 0.00 923.98 0.75 0.86
15 T2g 832 832 0.00 923.42 0.75 0.86
15 T2g 832 832 0.00 923.97 0.75 0.86
16 T2g 674 674 0.00 531.87 0.75 0.86
16 T2g 674 674 0.00 531.71 0.75 0.86
16 T2g 674 674 0.00 531.11 0.75 0.86
17 T2u 1064 1064 0.00 0.00 0.00 0.00
17 T2u 1064 1064 0.00 0.00 0.00 0.00
17 T2u 1064 1064 0.00 0.00 0.00 0.00
18 T2u 830 830 0.00 0.00 0.00 0.00
18 T2u 830 830 0.00 0.00 0.00 0.00
18 T2u 830 830 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 29095.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 29095.4 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 B3LYPultrafine/daug-cc-pVDZ
ABC
0.11140 0.11140 0.11140

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/daug-cc-pVDZ

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 1.418 1.418 1.418
H10 -1.418 1.418 1.418
H11 1.418 1.418 -1.418
H12 -1.418 1.418 -1.418
H13 1.418 -1.418 1.418
H14 -1.418 -1.418 1.418
H15 1.418 -1.418 -1.418
H16 -1.418 -1.418 -1.418

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.57381.57382.22561.57382.22562.22562.72581.09402.37942.37943.18222.37943.18223.18223.8198
C21.57382.22561.57382.22561.57382.72582.22562.37941.09403.18222.37943.18222.37943.81983.1822
C31.57382.22561.57382.22562.72581.57382.22562.37943.18221.09402.37943.18223.81982.37943.1822
C42.22561.57381.57382.72582.22562.22561.57383.18222.37942.37941.09403.81983.18223.18222.3794
C51.57382.22562.22562.72581.57381.57382.22562.37943.18223.18223.81981.09402.37942.37943.1822
C62.22561.57382.72582.22561.57382.22561.57383.18222.37943.81983.18222.37941.09403.18222.3794
C72.22562.72581.57382.22561.57382.22561.57383.18223.81982.37943.18222.37943.18221.09402.3794
C82.72582.22562.22561.57382.22561.57381.57383.81983.18223.18222.37943.18222.37942.37941.0940
H91.09402.37942.37943.18222.37943.18223.18223.81982.83702.83704.01212.83704.01214.01214.9138
H102.37941.09403.18222.37943.18222.37943.81983.18222.83704.01212.83704.01212.83704.91384.0121
H112.37943.18221.09402.37943.18223.81982.37943.18222.83704.01212.83704.01214.91382.83704.0121
H123.18222.37942.37941.09403.81983.18223.18222.37944.01212.83702.83704.91384.01214.01212.8370
H132.37943.18223.18223.81981.09402.37942.37943.18222.83704.01214.01214.91382.83702.83704.0121
H143.18222.37943.81983.18222.37941.09403.18222.37944.01212.83704.91384.01212.83704.01212.8370
H153.18223.81982.37943.18222.37943.18221.09402.37944.01214.91382.83704.01212.83704.01212.8370
H163.81983.18223.18222.37943.18222.37942.37941.09404.91384.01214.01212.83704.01212.83702.8370

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 B3LYPultrafine/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.843      
2 C 0.843      
3 C 0.843      
4 C 0.843      
5 C 0.843      
6 C 0.843      
7 C 0.843      
8 C 0.843      
9 H -0.843      
10 H -0.843      
11 H -0.843      
12 H -0.843      
13 H -0.843      
14 H -0.843      
15 H -0.843      
16 H -0.843      


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 -47.350 0.000 0.000
y 0.000 -47.350 0.000
z 0.000 0.000 -47.350
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 11.681 0.000 0.000
y 0.000 11.681 0.000
z 0.000 0.000 11.681


<r2> (average value of r2) Å2
<r2> 167.026
(<r2>)1/2 12.924