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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: TPSSh/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/6-311G**
 hartrees
Energy at 0K-476.841503
Energy at 298.15K-476.845956
HF Energy-476.841503
Nuclear repulsion energy100.860796
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 TPSSh/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3123 3123 17.60      
2 A1 1507 1507 5.40      
3 A1 1150 1150 3.40      
4 A1 1049 1049 0.09      
5 A1 645 645 27.38      
6 A2 3204 3204 0.00      
7 A2 1195 1195 0.00      
8 A2 905 905 0.00      
9 B1 3219 3219 10.09      
10 B1 964 964 8.83      
11 B1 834 834 0.59      
12 B2 3121 3121 17.10      
13 B2 1482 1482 0.54      
14 B2 1074 1074 41.82      
15 B2 681 681 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 12076.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12076.0 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 TPSSh/6-311G**
ABC
0.73606 0.35647 0.26575

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.869
C2 0.000 0.741 -0.801
C3 0.000 -0.741 -0.801
H4 -0.916 1.254 -1.074
H5 0.916 1.254 -1.074
H6 0.916 -1.254 -1.074
H7 -0.916 -1.254 -1.074

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.82741.82742.48742.48742.48742.4874
C21.82741.48231.08441.08442.21212.2121
C31.82741.48232.21212.21211.08441.0844
H42.48741.08442.21211.83133.10542.5080
H52.48741.08442.21211.83132.50803.1054
H62.48742.21211.08443.10542.50801.8313
H72.48742.21211.08442.50803.10541.8313

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.073 S1 C2 H4 114.949
S1 C2 H5 114.949 S1 C3 C2 66.073
S1 C3 H6 114.949 S1 C3 H7 114.949
C2 S1 C3 47.854 C2 C3 H6 118.227
C2 C3 H7 118.227 C3 C2 H4 118.227
C3 C2 H5 118.227 H4 C2 H5 115.213
H6 C3 H7 115.213
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.034      
2 C -0.321      
3 C -0.321      
4 H 0.169      
5 H 0.169      
6 H 0.169      
7 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.171 2.171
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.047 0.000 0.000
y 0.000 5.184 0.000
z 0.000 0.000 6.798


<r2> (average value of r2) Å2
<r2> 56.754
(<r2>)1/2 7.534