return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for HSSSH (trisulfane)

using model chemistry: MP3=FULL/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 MP3=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-1194.490682
Energy at 298.15K-1194.493103
HF Energy-1193.812141
Nuclear repulsion energy195.967937
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 MP3=FULL/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' 2718 2535 2.48      
2 A' 907 846 3.83      
3 A' 510 475 0.39      
4 A' 335 312 15.21      
5 A' 211 197 0.05      
6 A" 2721 2538 0.13      
7 A" 895 835 5.54      
8 A" 514 479 19.28      
9 A" 317 296 9.06      

Unscaled Zero Point Vibrational Energy (zpe) 4564.1 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 4256.5 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 MP3=FULL/cc-pVTZ
ABC
0.45989 0.09116 0.07849

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.053 0.846 0.000
S2 -0.053 -0.391 1.655
S3 -0.053 -0.391 -1.655
H4 1.273 -0.514 1.783
H5 1.273 -0.514 -1.783

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.06612.06612.60512.6051
S22.06613.30961.33773.6869
S32.06613.30963.68691.3377
H42.60511.33773.68693.5664
H52.60513.68691.33773.5664

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.573 S1 S3 H5 97.573
S2 S1 S3 106.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability