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All results from a given calculation for S8 (Octasulfur)

using model chemistry: MP3=FULL/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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-3181.206652
Energy at 298.15K-3181.207841
HF Energy-3180.075238
Nuclear repulsion energy1200.933491
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 MP3=FULL/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 485 455 0.00      
2 A1 221 208 0.00      
3 B1 462 434 0.00      
4 B2 259 243 7.59      
5 E1 480 450 0.32      
5 E1 480 450 0.32      
6 E1 199 187 2.57      
6 E1 199 187 2.57      
7 E2 490 460 0.00      
7 E2 490 460 0.00      
8 E2 158 148 0.00      
8 E2 158 148 0.00      
9 E2 71 67 0.00      
9 E2 71 67 0.00      
10 E3 473 444 0.00      
10 E3 473 444 0.00      
11 E3 253 238 0.00      
11 E3 253 238 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2837.0 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 2662.0 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 MP3=FULL/6-31G*
ABC
0.02151 0.02151 0.01173

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is D4d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 2.347 0.408
S2 2.347 0.000 0.408
S3 0.000 -2.347 0.408
S4 -2.347 0.000 0.408
S5 -1.660 1.660 -0.408
S6 -1.660 -1.660 -0.408
S7 1.660 -1.660 -0.408
S8 1.660 1.660 -0.408

Atom - Atom Distances (Å)
  S1 S2 S3 S4 S5 S6 S7 S8
S13.31914.69393.31911.97324.41284.41281.9732
S23.31913.31914.69394.41284.41281.97321.9732
S34.69393.31913.31914.41281.97321.97324.4128
S43.31914.69393.31911.97321.97324.41284.4128
S51.97324.41284.41281.97323.31914.69393.3191
S64.41284.41281.97321.97323.31913.31914.6939
S74.41281.97321.97324.41284.69393.31913.3191
S81.97321.97324.41284.41283.31914.69393.3191

picture of Octasulfur state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S5 S4 114.501 S1 S8 S2 114.501
S2 S7 S3 114.501 S3 S6 S4 114.501
S5 S1 S8 114.501 S5 S4 S6 114.501
S6 S3 S7 114.501 S7 S2 S8 114.501
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability