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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: TPSSh/6-31G**

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 TPSSh/6-31G**
Rotational Constants (cm-1) from geometry optimized at TPSSh/6-31G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at TPSSh/6-31G**
 hartrees
Energy at 0K-1195.773369
Energy at 298.15K-1195.775669
HF Energy-1195.773369
Nuclear repulsion energy193.309920
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 TPSSh/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 A' 2648 2539 25.58      
2 A' 872 836 6.85      
3 A' 476 457 0.73      
4 A' 337 323 22.62      
5 A' 202 194 0.25      
6 A" 2649 2540 1.79      
7 A" 862 826 10.62      
8 A" 456 437 41.78      
9 A" 316 303 9.50      

Unscaled Zero Point Vibrational Energy (zpe) 4409.4 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 4227.3 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 TPSSh/6-31G**
ABC
0.47640 0.08658 0.07553

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.053 0.829 0.000
S2 -0.053 -0.383 1.698
S3 -0.053 -0.383 -1.698
H4 1.282 -0.510 1.857
H5 1.282 -0.510 -1.857

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.08592.08592.65092.6509
S22.08593.39541.35093.7997
S32.08593.39543.79971.3509
H42.65091.35093.79973.7147
H52.65093.79971.35093.7147

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.691 S1 S3 H5 98.691
S2 S1 S3 108.956
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.058      
2 S -0.065      
3 S -0.065      
4 H 0.094      
5 H 0.094      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.116 -0.588 0.000 2.196
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.440 -0.329 0.000
y -0.329 5.856 0.000
z 0.000 0.000 11.495


<r2> (average value of r2) Å2
<r2> 143.508
(<r2>)1/2 11.979