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All results from a given calculation for HS2 (Thiosulfeno radical)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-792.124698
Energy at 298.15K-792.125650
HF Energy-791.897293
Nuclear repulsion energy78.439456
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 MP2/3-21G*
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' 2700 2569 9.81      
2 A' 976 928 2.04      
3 A' 616 586 10.81      

Unscaled Zero Point Vibrational Energy (zpe) 2145.9 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 2041.4 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 MP2/3-21G*
ABC
10.08981 0.26574 0.25892

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.040 1.022 0.000
S2 0.040 -0.944 0.000
H3 -1.275 -1.234 0.000

Atom - Atom Distances (Å)
  S1 S2 H3
S11.96602.6106
S21.96601.3463
H32.61061.3463

picture of Thiosulfeno radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H3 102.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability