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All results from a given calculation for S8 (Octasulfur)

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D4D 1A1
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-81.229481
Energy at 298.15K-81.230181
Nuclear repulsion energy165.277853
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 B3LYP/CEP-121G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 464 450 0.00      
2 A1 207 201 0.00      
3 B1 371 360 0.00      
4 B2 235 228 4.43      
5 E1 456 442 2.89      
5 E1 456 442 2.89      
6 E1 184 179 4.62      
6 E1 184 179 4.62      
7 E2 451 437 0.00      
7 E2 451 437 0.00      
8 E2 141 136 0.00      
8 E2 141 136 0.00      
9 E2 71 68 0.00      
9 E2 71 68 0.00      
10 E3 401 389 0.00      
10 E3 401 389 0.00      
11 E3 241 233 0.00      
11 E3 241 233 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2582.9 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 2503.8 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 B3LYP/CEP-121G*
ABC
0.02057 0.02057 0.01116

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is D4d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 2.430 0.501
S2 2.430 0.000 0.501
S3 0.000 -2.430 0.501
S4 -2.430 0.000 0.501
S5 -1.718 1.718 -0.501
S6 -1.718 -1.718 -0.501
S7 1.718 -1.718 -0.501
S8 1.718 1.718 -0.501

Atom - Atom Distances (Å)
  S1 S2 S3 S4 S5 S6 S7 S8
S13.43684.86043.43682.11294.60094.60092.1129
S23.43683.43684.86044.60094.60092.11292.1129
S34.86043.43683.43684.60092.11292.11294.6009
S43.43684.86043.43682.11292.11294.60094.6009
S52.11294.60094.60092.11293.43684.86043.4368
S64.60094.60092.11292.11293.43683.43684.8604
S74.60092.11292.11294.60094.86043.43683.4368
S82.11292.11294.60094.60093.43684.86043.4368

picture of Octasulfur state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S5 S4 108.840 S1 S8 S2 108.840
S2 S7 S3 108.840 S3 S6 S4 108.840
S5 S1 S8 108.840 S5 S4 S6 108.840
S6 S3 S7 108.840 S7 S2 S8 108.840
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.000      
2 S 0.000      
3 S 0.000      
4 S 0.000      
5 S 0.000      
6 S 0.000      
7 S 0.000      
8 S 0.000      


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 0.337 0.000 0.000
y 0.000 0.337 0.000
z 0.000 0.000 -0.674
Traceless
 xyz
x 0.505 0.000 0.000
y 0.000 0.505 0.000
z 0.000 0.000 -1.011
Polar
3z2-r2-2.021
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 27.908 0.000 0.000
y 0.000 27.908 0.000
z 0.000 0.000 14.101


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000