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All results from a given calculation for S8 (Octasulfur)

using model chemistry: MP2=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D4D 1A1
Energy calculated at MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-3181.346022
Energy at 298.15K 
HF Energy-3180.253481
Nuclear repulsion energy1196.287689
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 MP2=FULL/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/cc-pVDZ
ABC
0.02137 0.02137 0.01168

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is D4d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 2.375 0.513
S2 2.375 0.000 0.513
S3 0.000 -2.375 0.513
S4 -2.375 0.000 0.513
S5 -1.680 1.680 -0.513
S6 -1.680 -1.680 -0.513
S7 1.680 -1.680 -0.513
S8 1.680 1.680 -0.513

Atom - Atom Distances (Å)
  S1 S2 S3 S4 S5 S6 S7 S8
S13.35924.75063.35922.08754.50734.50732.0875
S23.35923.35924.75064.50734.50732.08752.0875
S34.75063.35923.35924.50732.08752.08754.5073
S43.35924.75063.35922.08752.08754.50734.5073
S52.08754.50734.50732.08753.35924.75063.3592
S64.50734.50732.08752.08753.35923.35924.7506
S74.50732.08752.08754.50734.75063.35923.3592
S82.08752.08754.50734.50733.35924.75063.3592

picture of Octasulfur state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S5 S4 107.142 S1 S8 S2 107.142
S2 S7 S3 107.142 S3 S6 S4 107.142
S5 S1 S8 107.142 S5 S4 S6 107.142
S6 S3 S7 107.142 S7 S2 S8 107.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability