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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: MP2=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 trans 1A
1 2 no CS cis 1A'

Conformer 1 (C2 trans)

Jump to S1C2
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-1193.748056
Energy at 298.15K-1193.749995
HF Energy-1193.566640
Nuclear repulsion energy179.112752
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 MP2=FULL/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 2499 2374 0.37      
2 A 800 760 0.00      
3 A 394 375 1.40      
4 A 261 248 42.35      
5 A 161 153 0.02      
6 B 2501 2376 56.44      
7 B 795 755 5.45      
8 B 403 383 13.32      
9 B 281 267 27.65      

Unscaled Zero Point Vibrational Energy (zpe) 4047.2 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 3845.3 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 MP2=FULL/6-31G
ABC
0.37252 0.07655 0.06528

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.949
S2 0.000 1.810 -0.434
S3 0.000 -1.810 -0.434
H4 -1.363 1.865 -0.649
H5 1.363 -1.865 -0.649

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.27742.27742.80882.8088
S22.27743.61981.38103.9254
S32.27743.61983.92541.3810
H42.80881.38103.92544.6198
H52.80883.92541.38104.6198

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