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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: MP4=FULL/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS cis 1A'

Conformer 1 (C2 trans)

Jump to S1C2
Vibrational Frequencies calculated at MP4=FULL/6-311G**
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/6-311G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at MP4=FULL/6-311G**
 hartrees
Energy at 0K-1194.571015
Energy at 298.15K-1194.573353
HF Energy-1193.761718
Nuclear repulsion energy193.294255
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 MP4=FULL/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 2728 2623        
2 A' 889 855        
3 A' 468 450        
4 A' 345 332        
5 A' 204 196        
6 A" 2730 2625        
7 A" 880 847        
8 A" 468 450        
9 A" 316 303        

Unscaled Zero Point Vibrational Energy (zpe) 4514.1 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 4340.3 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 MP4=FULL/6-311G**
ABC
0.45606 0.08792 0.07598

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.053 0.850 0.000
S2 -0.053 -0.392 1.686
S3 -0.053 -0.392 -1.686
H4 1.275 -0.524 1.816
H5 1.275 -0.524 -1.816

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.09392.09392.63622.6362
S22.09393.37121.34123.7471
S32.09393.37123.74711.3412
H42.63621.34123.74713.6313
H52.63623.74711.34123.6313

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.841 S1 S3 H5 97.841
S2 S1 S3 107.221
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability