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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: MP4/cc-pVDZ

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/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP4/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at MP4/cc-pVDZ
 hartrees
Energy at 0K-1194.209106
Energy at 298.15K-1194.211421
HF Energy-1193.755271
Nuclear repulsion energy192.507641
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/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 A' 2690 2601        
2 A' 880 850        
3 A' 481 465        
4 A' 329 318        
5 A' 202 195        
6 A" 2692 2603        
7 A" 868 839        
8 A" 475 460        
9 A" 305 295        

Unscaled Zero Point Vibrational Energy (zpe) 4460.3 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 4312.7 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/cc-pVDZ
ABC
0.44099 0.08815 0.07578

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.054 0.865 0.000
S2 -0.054 -0.399 1.683
S3 -0.054 -0.399 -1.683
H4 1.292 -0.525 1.804
H5 1.292 -0.525 -1.804

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.10502.10502.64492.6449
S22.10503.36641.35693.7396
S32.10503.36643.73961.3569
H42.64491.35693.73963.6073
H52.64493.73961.35693.6073

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.273 S1 S3 H5 97.273
S2 S1 S3 106.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability