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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: QCISD(T)=FULL/aug-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 QCISD(T)=FULL/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at QCISD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-1194.278003
Energy at 298.15K-1194.280294
HF Energy-1193.764554
Nuclear repulsion energy191.847494
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(T)=FULL/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 A' 2655 2576        
2 A' 866 840        
3 A' 469 455        
4 A' 330 321        
5 A' 196 191        
6 A" 2658 2578        
7 A" 855 829        
8 A" 461 447        
9 A" 309 300        

Unscaled Zero Point Vibrational Energy (zpe) 4399.5 cm-1
Scaled (by 0.9701) Zero Point Vibrational Energy (zpe) 4268.0 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(T)=FULL/aug-cc-pVDZ
ABC
0.43370 0.08787 0.07538

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.054 0.872 0.000
S2 -0.054 -0.404 1.686
S3 -0.054 -0.404 -1.686
H4 1.295 -0.513 1.807
H5 1.295 -0.513 -1.807

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.11442.11442.64682.6468
S22.11443.37161.35893.7462
S32.11443.37163.74621.3589
H42.64681.35893.74623.6147
H52.64683.74621.35893.6147

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 96.882 S1 S3 H5 96.882
S2 S1 S3 105.749
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability