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All results from a given calculation for S8 (Octasulfur)

using model chemistry: CCSD(T)/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 CCSD(T)/6-31G*
 hartrees
Energy at 0K-3181.186444
Energy at 298.15K-3181.174365
HF Energy-3180.073796
Nuclear repulsion energy1193.724055
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 CCSD(T)/6-31G*
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/6-31G*
ABC
0.02124 0.02124 0.01156

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

Point Group is D4d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 2.388 0.502
S2 2.388 0.000 0.502
S3 0.000 -2.388 0.502
S4 -2.388 0.000 0.502
S5 -1.688 1.688 -0.502
S6 -1.688 -1.688 -0.502
S7 1.688 -1.688 -0.502
S8 1.688 1.688 -0.502

Atom - Atom Distances (Å)
  S1 S2 S3 S4 S5 S6 S7 S8
S13.37694.77563.37692.08474.52474.52472.0847
S23.37693.37694.77564.52474.52472.08472.0847
S34.77563.37693.37694.52472.08472.08474.5247
S43.37694.77563.37692.08472.08474.52474.5247
S52.08474.52474.52472.08473.37694.77563.3769
S64.52474.52472.08472.08473.37693.37694.7756
S74.52472.08472.08474.52474.77563.37693.3769
S82.08472.08474.52474.52473.37694.77563.3769

picture of Octasulfur state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S5 S4 108.173 S1 S8 S2 108.173
S2 S7 S3 108.173 S3 S6 S4 108.173
S5 S1 S8 108.173 S5 S4 S6 108.173
S6 S3 S7 108.173 S7 S2 S8 108.173
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability