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All results from a given calculation for S8 (Octasulfur)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D4D 1A1
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-3181.126142
Energy at 298.15K 
HF Energy-3180.075116
Nuclear repulsion energy1200.202252
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 MP3/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3/6-31+G**
ABC
0.02149 0.02149 0.01171

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

Point Group is D4d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 2.348 0.408
S2 2.348 0.000 0.408
S3 0.000 -2.348 0.408
S4 -2.348 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
S13.32024.69553.32021.97344.41414.41411.9734
S23.32023.32024.69554.41414.41411.97341.9734
S34.69553.32023.32024.41411.97341.97344.4141
S43.32024.69553.32021.97341.97344.41414.4141
S51.97344.41414.41411.97343.32024.69553.3202
S64.41414.41411.97341.97343.32023.32024.6955
S74.41411.97341.97344.41414.69553.32023.3202
S81.97341.97344.41414.41413.32024.69553.3202

picture of Octasulfur state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S5 S4 114.546 S1 S8 S2 114.546
S2 S7 S3 114.546 S3 S6 S4 114.546
S5 S1 S8 114.546 S5 S4 S6 114.546
S6 S3 S7 114.546 S7 S2 S8 114.546
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability