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All results from a given calculation for S8 (Octasulfur)

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-3185.444841
Energy at 298.15K-3185.444970
Nuclear repulsion energy1159.349827
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 BLYP/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 431 428 0.00      
2 A1 201 199 0.00      
3 B1 264 262 0.00      
4 B2 223 222 4.12      
5 E1 418 415 3.53      
5 E1 418 415 3.53      
6 E1 179 178 5.78      
6 E1 179 178 5.78      
7 E2 403 400 0.00      
7 E2 403 400 0.00      
8 E2 131 130 0.00      
8 E2 131 130 0.00      
9 E2 72 72 0.00      
9 E2 72 72 0.00      
10 E3 321 319 0.00      
10 E3 321 319 0.00      
11 E3 234 232 0.00      
11 E3 234 232 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2317.7 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 2299.9 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 BLYP/6-31G**
ABC
0.01998 0.01998 0.01079

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

Point Group is D4d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 2.472 0.494
S2 2.472 0.000 0.494
S3 0.000 -2.472 0.494
S4 -2.472 0.000 0.494
S5 -1.748 1.748 -0.494
S6 -1.748 -1.748 -0.494
S7 1.748 -1.748 -0.494
S8 1.748 1.748 -0.494

Atom - Atom Distances (Å)
  S1 S2 S3 S4 S5 S6 S7 S8
S13.49534.94303.49532.13454.67264.67262.1345
S23.49533.49534.94304.67264.67262.13452.1345
S34.94303.49533.49534.67262.13452.13454.6726
S43.49534.94303.49532.13452.13454.67264.6726
S52.13454.67264.67262.13453.49534.94303.4953
S64.67264.67262.13452.13453.49533.49534.9430
S74.67262.13452.13454.67264.94303.49533.4953
S82.13452.13454.67264.67263.49534.94303.4953

picture of Octasulfur state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S5 S4 109.918 S1 S8 S2 109.918
S2 S7 S3 109.918 S3 S6 S4 109.918
S5 S1 S8 109.918 S5 S4 S6 109.918
S6 S3 S7 109.918 S7 S2 S8 109.918
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/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 0.460 0.000 0.000
y 0.000 0.460 0.000
z 0.000 0.000 -0.921
Traceless
 xyz
x 0.691 0.000 0.000
y 0.000 0.691 0.000
z 0.000 0.000 -1.381
Polar
3z2-r2-2.762
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 28.575 0.000 0.000
y 0.000 28.575 0.000
z 0.000 0.000 13.035


<r2> (average value of r2) Å2
<r2> 878.423
(<r2>)1/2 29.638