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All results from a given calculation for S8 (Octasulfur)

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D4D 1A1
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-3171.001414
Energy at 298.15K-3171.002378
Nuclear repulsion energy1209.768490
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 B1B95/3-21G*
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 478 457 0.00      
2 A1 220 210 0.00      
3 B1 391 373 0.00      
4 B2 244 233 8.07      
5 E1 471 450 1.84      
5 E1 471 450 1.84      
6 E1 209 199 4.12      
6 E1 209 199 4.12      
7 E2 469 448 0.00      
7 E2 469 448 0.00      
8 E2 149 143 0.00      
8 E2 149 143 0.00      
9 E2 64 61 0.00      
9 E2 64 61 0.00      
10 E3 419 400 0.00      
10 E3 419 400 0.00      
11 E3 256 244 0.00      
11 E3 256 244 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2703.5 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 2581.5 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 B1B95/3-21G*
ABC
0.02182 0.02182 0.01188

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is D4d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 2.356 0.496
S2 2.356 0.000 0.496
S3 0.000 -2.356 0.496
S4 -2.356 0.000 0.496
S5 -1.666 1.666 -0.496
S6 -1.666 -1.666 -0.496
S7 1.666 -1.666 -0.496
S8 1.666 1.666 -0.496

Atom - Atom Distances (Å)
  S1 S2 S3 S4 S5 S6 S7 S8
S13.33154.71143.33152.05774.46434.46432.0577
S23.33153.33154.71144.46434.46432.05772.0577
S34.71143.33153.33154.46432.05772.05774.4643
S43.33154.71143.33152.05772.05774.46434.4643
S52.05774.46434.46432.05773.33154.71143.3315
S64.46434.46432.05772.05773.33153.33154.7114
S74.46432.05772.05774.46434.71143.33153.3315
S82.05772.05774.46434.46433.33154.71143.3315

picture of Octasulfur state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S5 S4 108.098 S1 S8 S2 108.098
S2 S7 S3 108.098 S3 S6 S4 108.098
S5 S1 S8 108.098 S5 S4 S6 108.098
S6 S3 S7 108.098 S7 S2 S8 108.098
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* 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 -105.077 0.000 0.000
y 0.000 -105.077 0.000
z 0.000 0.000 -105.380
Traceless
 xyz
x 0.152 0.000 0.000
y 0.000 0.152 0.000
z 0.000 0.000 -0.303
Polar
3z2-r2-0.607
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 23.782 0.000 0.000
y 0.000 23.782 0.000
z 0.000 0.000 11.710


<r2> (average value of r2) Å2
<r2> 807.476
(<r2>)1/2 28.416