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All results from a given calculation for S8 (Octasulfur)

using model chemistry: B3LYP/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 B3LYP/3-21G*
 hartrees
Energy at 0K-3170.739638
Energy at 298.15K-3170.740285
Nuclear repulsion energy1191.182220
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/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 458 440 0.00      
2 A1 214 206 0.00      
3 B1 337 324 0.00      
4 B2 245 236 6.00      
5 E1 446 429 1.90      
5 E1 446 429 1.90      
6 E1 191 184 4.30      
6 E1 191 184 4.30      
7 E2 436 419 0.00      
7 E2 436 419 0.00      
8 E2 146 140 0.00      
8 E2 146 140 0.00      
9 E2 72 69 0.00      
9 E2 72 69 0.00      
10 E3 374 359 0.00      
10 E3 374 359 0.00      
11 E3 250 240 0.00      
11 E3 250 240 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2541.3 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 2444.7 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/3-21G*
ABC
0.02114 0.02114 0.01148

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is D4d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 2.396 0.498
S2 2.396 0.000 0.498
S3 0.000 -2.396 0.498
S4 -2.396 0.000 0.498
S5 -1.694 1.694 -0.498
S6 -1.694 -1.694 -0.498
S7 1.694 -1.694 -0.498
S8 1.694 1.694 -0.498

Atom - Atom Distances (Å)
  S1 S2 S3 S4 S5 S6 S7 S8
S13.38814.79163.38812.08664.53754.53752.0866
S23.38813.38814.79164.53754.53752.08662.0866
S34.79163.38813.38814.53752.08662.08664.5375
S43.38814.79163.38812.08662.08664.53754.5375
S52.08664.53754.53752.08663.38814.79163.3881
S64.53754.53752.08662.08663.38813.38814.7916
S74.53752.08662.08664.53754.79163.38813.3881
S82.08662.08664.53754.53753.38814.79163.3881

picture of Octasulfur state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S5 S4 108.557 S1 S8 S2 108.557
S2 S7 S3 108.557 S3 S6 S4 108.557
S5 S1 S8 108.557 S5 S4 S6 108.557
S6 S3 S7 108.557 S7 S2 S8 108.557
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/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 0.201 0.000 0.000
y 0.000 0.201 0.000
z 0.000 0.000 -0.402
Traceless
 xyz
x 0.302 0.000 0.000
y 0.000 0.302 0.000
z 0.000 0.000 -0.603
Polar
3z2-r2-1.207
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 24.758 0.000 0.000
y 0.000 24.758 0.000
z 0.000 0.000 11.835


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