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All results from a given calculation for S8 (Octasulfur)

using model chemistry: B3LYP/6-31G**

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/6-31G**
 hartrees
Energy at 0K-3185.550545
Energy at 298.15K-3185.551270
Nuclear repulsion energy1181.314400
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/6-31G**
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 461 443 0.00      
2 A1 212 204 0.00      
3 B1 363 349 0.00      
4 B2 243 234 6.02      
5 E1 451 433 2.01      
5 E1 451 433 2.01      
6 E1 190 183 4.53      
6 E1 190 183 4.53      
7 E2 446 429 0.00      
7 E2 446 429 0.00      
8 E2 144 139 0.00      
8 E2 144 139 0.00      
9 E2 73 70 0.00      
9 E2 73 70 0.00      
10 E3 394 378 0.00      
10 E3 394 378 0.00      
11 E3 247 237 0.00      
11 E3 247 237 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2584.5 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 2483.2 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/6-31G**
ABC
0.02077 0.02077 0.01125

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is D4d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 2.420 0.495
S2 2.420 0.000 0.495
S3 0.000 -2.420 0.495
S4 -2.420 0.000 0.495
S5 -1.711 1.711 -0.495
S6 -1.711 -1.711 -0.495
S7 1.711 -1.711 -0.495
S8 1.711 1.711 -0.495

Atom - Atom Distances (Å)
  S1 S2 S3 S4 S5 S6 S7 S8
S13.42264.84043.42262.09994.58004.58002.0999
S23.42263.42264.84044.58004.58002.09992.0999
S34.84043.42263.42264.58002.09992.09994.5800
S43.42264.84043.42262.09992.09994.58004.5800
S52.09994.58004.58002.09993.42264.84043.4226
S64.58004.58002.09992.09993.42263.42264.8404
S74.58002.09992.09994.58004.84043.42263.4226
S82.09992.09994.58004.58003.42264.84043.4226

picture of Octasulfur state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S5 S4 109.164 S1 S8 S2 109.164
S2 S7 S3 109.164 S3 S6 S4 109.164
S5 S1 S8 109.165 S5 S4 S6 109.165
S6 S3 S7 109.165 S7 S2 S8 109.165
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** 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 0.303 0.000 0.000
y 0.000 0.303 0.000
z 0.000 0.000 -0.606
Traceless
 xyz
x 0.455 0.000 0.000
y 0.000 0.455 0.000
z 0.000 0.000 -0.909
Polar
3z2-r2-1.818
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 26.213 0.000 0.000
y 0.000 26.213 0.000
z 0.000 0.000 12.721


<r2> (average value of r2) Å2
<r2> 846.544
(<r2>)1/2 29.095