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All results from a given calculation for S8 (Octasulfur)

using model chemistry: HF/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D4D 1A1
Energy calculated at HF/6-31+G**
 hartrees
Energy at 0K-3180.083208
Energy at 298.15K-3180.084931
Nuclear repulsion energy1210.156732
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 HF/6-31+G**
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 517 467 0.00      
2 A1 238 215 0.00      
3 B1 542 490 0.00      
4 B2 283 256 8.81      
5 E1 516 466 0.03      
5 E1 516 466 0.03      
6 E1 212 192 2.84      
6 E1 212 192 2.84      
7 E2 540 489 0.00      
7 E2 540 489 0.00      
8 E2 172 156 0.00      
8 E2 172 156 0.00      
9 E2 70 63 0.00      
9 E2 70 63 0.00      
10 E3 544 492 0.00      
10 E3 544 492 0.00      
11 E3 270 244 0.00      
11 E3 270 244 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 3113.0 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 2814.8 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 HF/6-31+G**
ABC
0.02185 0.02185 0.01192

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31+G**

Point Group is D4d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 2.352 0.501
S2 2.352 0.000 0.501
S3 0.000 -2.352 0.501
S4 -2.352 0.000 0.501
S5 -1.663 1.663 -0.501
S6 -1.663 -1.663 -0.501
S7 1.663 -1.663 -0.501
S8 1.663 1.663 -0.501

Atom - Atom Distances (Å)
  S1 S2 S3 S4 S5 S6 S7 S8
S13.32594.70353.32592.06014.45954.45952.0601
S23.32593.32594.70354.45954.45952.06012.0601
S34.70353.32593.32594.45952.06012.06014.4595
S43.32594.70353.32592.06012.06014.45954.4595
S52.06014.45954.45952.06013.32594.70353.3259
S64.45954.45952.06012.06013.32593.32594.7035
S74.45952.06012.06014.45954.70353.32593.3259
S82.06012.06014.45954.45953.32594.70353.3259

picture of Octasulfur state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S5 S4 107.651 S1 S8 S2 107.651
S2 S7 S3 107.651 S3 S6 S4 107.651
S5 S1 S8 107.651 S5 S4 S6 107.651
S6 S3 S7 107.651 S7 S2 S8 107.651
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** 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 0.157 0.000 0.000
y 0.000 0.157 0.000
z 0.000 0.000 -0.315
Traceless
 xyz
x 0.236 0.000 0.000
y 0.000 0.236 0.000
z 0.000 0.000 -0.472
Polar
3z2-r2-0.944
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 24.478 0.000 0.000
y 0.000 24.478 0.000
z 0.000 0.000 14.100


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