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All results from a given calculation for HSSSH (trisulfane)

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

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at QCISD(T)=FULL/6-31G*
 hartrees
Energy at 0K-1194.131599
Energy at 298.15K-1194.133966
HF Energy-1193.683010
Nuclear repulsion energy193.933922
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/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' 2650 2650        
2 A' 914 914        
3 A' 485 485        
4 A' 345 345        
5 A' 208 208        
6 A" 2651 2651        
7 A" 905 905        
8 A" 487 487        
9 A" 320 320        

Unscaled Zero Point Vibrational Energy (zpe) 4483.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4483.4 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/6-31G*
ABC
0.46081 0.08852 0.07659

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.054 0.845 0.000
S2 -0.054 -0.389 1.679
S3 -0.054 -0.389 -1.679
H4 1.284 -0.528 1.834
H5 1.284 -0.528 -1.834

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.08342.08342.65252.6525
S22.08343.35741.35383.7614
S32.08343.35743.76141.3538
H42.65251.35383.76143.6681
H52.65253.76141.35383.6681

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.795 S1 S3 H5 98.795
S2 S1 S3 107.364
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability