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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: B2PLYP=FULL/3-21G

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 B2PLYP=FULL/3-21G
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/3-21G
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B2PLYP=FULL/3-21G
 hartrees
Energy at 0K-1189.331219
Energy at 298.15K-1189.333131
HF Energy-1189.262698
Nuclear repulsion energy178.415254
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 B2PLYP=FULL/3-21G
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' 2449 2332 46.61      
2 A' 800 761 4.37      
3 A' 401 382 0.88      
4 A' 280 267 31.37      
5 A' 152 145 0.13      
6 A" 2449 2331 0.09      
7 A" 797 759 0.69      
8 A" 399 380 20.65      
9 A" 245 233 13.39      

Unscaled Zero Point Vibrational Energy (zpe) 3986.0 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 3794.6 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 B2PLYP=FULL/3-21G
ABC
0.36424 0.07633 0.06487

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.055 0.958 0.000
S2 -0.055 -0.445 1.811
S3 -0.055 -0.445 -1.811
H4 1.314 -0.541 1.921
H5 1.314 -0.541 -1.921

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.29112.29112.79432.7943
S22.29113.62251.37603.9761
S32.29113.62253.97611.3760
H42.79431.37603.97613.8416
H52.79433.97611.37603.8416

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 96.061 S1 S3 H5 96.061
S2 S1 S3 104.476
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability