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All results from a given calculation for S8 (Octasulfur)

using model chemistry: QCISD/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 QCISD/6-31G**
 hartrees
Energy at 0K-3181.140939
Energy at 298.15K-3181.142107
HF Energy-3180.074789
Nuclear repulsion energy1198.218187
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 QCISD/6-31G**
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 482 454 0.00      
2 A1 219 206 0.00      
3 B1 460 433 0.00      
4 B2 255 240 7.38      
5 E1 477 449 0.36      
5 E1 477 449 0.36      
6 E1 197 185 2.99      
6 E1 197 185 2.99      
7 E2 489 460 0.00      
7 E2 489 460 0.00      
8 E2 155 146 0.00      
8 E2 155 146 0.00      
9 E2 70 66 0.00      
9 E2 70 66 0.00      
10 E3 471 443 0.00      
10 E3 471 443 0.00      
11 E3 251 237 0.00      
11 E3 251 237 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2817.2 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 2652.2 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 QCISD/6-31G**
ABC
0.02141 0.02141 0.01166

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

Point Group is D4d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 2.377 0.503
S2 2.377 0.000 0.503
S3 0.000 -2.377 0.503
S4 -2.377 0.000 0.503
S5 -1.681 1.681 -0.503
S6 -1.681 -1.681 -0.503
S7 1.681 -1.681 -0.503
S8 1.681 1.681 -0.503

Atom - Atom Distances (Å)
  S1 S2 S3 S4 S5 S6 S7 S8
S13.36184.75423.36182.07884.50604.50602.0788
S23.36183.36184.75424.50604.50602.07882.0788
S34.75423.36183.36184.50602.07882.07884.5060
S43.36184.75423.36182.07882.07884.50604.5060
S52.07884.50604.50602.07883.36184.75423.3618
S64.50604.50602.07882.07883.36183.36184.7542
S74.50602.07882.07884.50604.75423.36183.3618
S82.07882.07884.50604.50603.36184.75423.3618

picture of Octasulfur state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S5 S4 107.918 S1 S8 S2 107.918
S2 S7 S3 107.918 S3 S6 S4 107.918
S5 S1 S8 107.918 S5 S4 S6 107.918
S6 S3 S7 107.918 S7 S2 S8 107.918
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability