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All results from a given calculation for S8 (Octasulfur)

using model chemistry: MP2=FULL/cc-pV(T+d)Z

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-pV(T+d)Z
 hartrees
Energy at 0K-3182.622501
Energy at 298.15K 
Nuclear repulsion energy1222.981393
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-pV(T+d)Z
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/cc-pV(T+d)Z
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pV(T+d)Z

Point Group is D4d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 2.326 0.497
S2 2.326 0.000 0.497
S3 0.000 -2.326 0.497
S4 -2.326 0.000 0.497
S5 -1.645 1.645 -0.497
S6 -1.645 -1.645 -0.497
S7 1.645 -1.645 -0.497
S8 1.645 1.645 -0.497

Atom - Atom Distances (Å)
  S1 S2 S3 S4 S5 S6 S7 S8
S13.29014.65293.29012.03914.41204.41202.0391
S23.29013.29014.65294.41204.41202.03912.0391
S34.65293.29013.29014.41202.03912.03914.4120
S43.29014.65293.29012.03912.03914.41204.4120
S52.03914.41204.41202.03913.29014.65293.2901
S64.41204.41202.03912.03913.29013.29014.6529
S74.41202.03912.03914.41204.65293.29013.2901
S82.03912.03914.41204.41203.29014.65293.2901

picture of Octasulfur state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S5 S4 107.557 S1 S8 S2 107.557
S2 S7 S3 107.557 S3 S6 S4 107.557
S5 S1 S8 107.557 S5 S4 S6 107.557
S6 S3 S7 107.557 S7 S2 S8 107.557
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability