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All results from a given calculation for S8 (Octasulfur)

using model chemistry: mPW1PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D4D 1A1
Energy calculated at mPW1PW91/STO-3G
 hartrees
Energy at 0K-3150.971630
Energy at 298.15K-3150.973370
Nuclear repulsion energy1256.913457
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 mPW1PW91/STO-3G
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 628 552 0.00      
2 A1 256 225 0.00      
3 B1 573 504 0.00      
4 B2 285 251 5.75      
5 E1 637 560 0.00      
5 E1 637 560 0.00      
6 E1 220 193 4.51      
6 E1 220 193 4.51      
7 E2 660 580 0.00      
7 E2 660 580 0.00      
8 E2 170 149 0.00      
8 E2 170 149 0.00      
9 E2 78 68 0.00      
9 E2 78 68 0.00      
10 E3 614 540 0.00      
10 E3 614 540 0.00      
11 E3 287 253 0.00      
11 E3 287 253 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 3536.6 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 3108.3 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 mPW1PW91/STO-3G
ABC
0.02353 0.02353 0.01278

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is D4d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 2.362 0.536
S2 2.362 0.000 0.536
S3 0.000 -2.362 0.536
S4 -2.362 0.000 0.536
S5 -1.670 1.670 -0.536
S6 -1.670 -1.670 -0.536
S7 1.670 -1.670 -0.536
S8 1.670 1.670 -0.536

Atom - Atom Distances (Å)
  S1 S2 S3 S4 S5 S6 S7 S8
S13.34024.72373.34022.10214.49414.49412.1021
S23.34023.34024.72374.49414.49412.10212.1021
S34.72373.34023.34024.49412.10212.10214.4941
S43.34024.72373.34022.10212.10214.49414.4941
S52.10214.49414.49412.10213.34024.72373.3402
S64.49414.49412.10212.10213.34023.34024.7237
S74.49412.10212.10214.49414.72373.34023.3402
S82.10212.10214.49414.49413.34024.72373.3402

picture of Octasulfur state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S5 S4 105.212 S1 S8 S2 105.212
S2 S7 S3 105.212 S3 S6 S4 105.212
S5 S1 S8 105.212 S5 S4 S6 105.212
S6 S3 S7 105.212 S7 S2 S8 105.212
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G 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 -85.563 0.000 0.000
y 0.000 -85.563 0.000
z 0.000 0.000 -86.316
Traceless
 xyz
x 0.376 0.000 0.000
y 0.000 0.376 0.000
z 0.000 0.000 -0.753
Polar
3z2-r2-1.505
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 16.543 0.000 0.000
y 0.000 16.543 0.000
z 0.000 0.000 7.497


<r2> (average value of r2) Å2
<r2> 742.063
(<r2>)1/2 27.241