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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: MP4/aug-cc-pVTZ

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

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at MP4/aug-cc-pVTZ
 hartrees
Energy at 0K-1194.430376
Energy at 298.15K-1194.432733
HF Energy-1193.813681
Nuclear repulsion energy194.851537
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/aug-cc-pVTZ
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' 2669 2598        
2 A' 880 856        
3 A' 491 478        
4 A' 329 320        
5 A' 203 198        
6 A" 2672 2601        
7 A" 868 845        
8 A" 489 476        
9 A" 317 309        

Unscaled Zero Point Vibrational Energy (zpe) 4459.7 cm-1
Scaled (by 0.9732) Zero Point Vibrational Energy (zpe) 4340.2 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 MP4/aug-cc-pVTZ
ABC
0.45638 0.09000 0.07756

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.053 0.849 0.000
S2 -0.053 -0.392 1.666
S3 -0.053 -0.392 -1.666
H4 1.281 -0.513 1.794
H5 1.281 -0.513 -1.794

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.07742.07742.61812.6181
S22.07743.33101.34613.7100
S32.07743.33103.71001.3461
H42.61811.34613.71003.5880
H52.61813.71001.34613.5880

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.469 S1 S3 H5 97.469
S2 S1 S3 106.593
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability