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All results from a given calculation for S8 (Octasulfur)

using model chemistry: MP2/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-3181.400712
Energy at 298.15K-3181.401677
HF Energy-3180.282111
Nuclear repulsion energy1194.801118
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/aug-cc-pVDZ
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 477 458 0.00      
2 A1 212 203 0.00      
3 B1 421 404 0.00      
4 B2 238 228 2.60      
5 E1 473 453 2.15      
5 E1 473 453 2.15      
6 E1 189 181 2.68      
6 E1 189 181 2.68      
7 E2 472 452 0.00      
7 E2 472 452 0.00      
8 E2 146 140 0.00      
8 E2 146 140 0.00      
9 E2 67 64 0.00      
9 E2 67 64 0.00      
10 E3 439 421 0.00      
10 E3 439 421 0.00      
11 E3 240 230 0.00      
11 E3 240 230 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2699.6 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 2588.9 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 MP2/aug-cc-pVDZ
ABC
0.02132 0.02132 0.01167

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

Point Group is D4d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 2.377 0.516
S2 2.377 0.000 0.516
S3 0.000 -2.377 0.516
S4 -2.377 0.000 0.516
S5 -1.681 1.681 -0.516
S6 -1.681 -1.681 -0.516
S7 1.681 -1.681 -0.516
S8 1.681 1.681 -0.516

Atom - Atom Distances (Å)
  S1 S2 S3 S4 S5 S6 S7 S8
S13.36154.75393.36152.09144.51164.51162.0914
S23.36153.36154.75394.51164.51162.09142.0914
S34.75393.36153.36154.51162.09142.09144.5116
S43.36154.75393.36152.09142.09144.51164.5116
S52.09144.51164.51162.09143.36154.75393.3615
S64.51164.51162.09142.09143.36153.36154.7539
S74.51162.09142.09144.51164.75393.36153.3615
S82.09142.09144.51164.51163.36154.75393.3615

picture of Octasulfur state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S5 S4 106.964 S1 S8 S2 106.964
S2 S7 S3 106.964 S3 S6 S4 106.964
S5 S1 S8 106.964 S5 S4 S6 106.964
S6 S3 S7 106.964 S7 S2 S8 106.964
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability