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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: TPSSh/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-476.854499
Energy at 298.15K-476.858950
HF Energy-476.854499
Nuclear repulsion energy101.297212
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/6-311+G(3df,2p)
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 3115 3115 17.87      
2 A1 1498 1498 3.51      
3 A1 1143 1143 1.11      
4 A1 1045 1045 0.60      
5 A1 644 644 24.04      
6 A2 3194 3194 0.00      
7 A2 1195 1195 0.00      
8 A2 899 899 0.00      
9 B1 3208 3208 5.02      
10 B1 958 958 3.14      
11 B1 826 826 0.52      
12 B2 3114 3114 13.45      
13 B2 1476 1476 0.50      
14 B2 1074 1074 22.07      
15 B2 692 692 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 12039.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12039.9 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/6-311+G(3df,2p)
ABC
0.73704 0.36138 0.26850

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.863
C2 0.000 0.741 -0.795
C3 0.000 -0.741 -0.795
H4 -0.914 1.253 -1.069
H5 0.914 1.253 -1.069
H6 0.914 -1.253 -1.069
H7 -0.914 -1.253 -1.069

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.81581.81582.47742.47742.47742.4774
C21.81581.48181.08301.08302.21062.2106
C31.81581.48182.21062.21061.08301.0830
H42.47741.08302.21061.82793.10212.5063
H52.47741.08302.21061.82792.50633.1021
H62.47742.21061.08303.10212.50631.8279
H72.47742.21061.08302.50633.10211.8279

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.919 S1 C2 H4 115.092
S1 C2 H5 115.092 S1 C3 C2 65.919
S1 C3 H6 115.092 S1 C3 H7 115.092
C2 S1 C3 48.162 C2 C3 H6 118.231
C2 C3 H7 118.231 C3 C2 H4 118.231
C3 C2 H5 118.231 H4 C2 H5 115.111
H6 C3 H7 115.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.248      
2 C -0.082      
3 C -0.082      
4 H 0.103      
5 H 0.103      
6 H 0.103      
7 H 0.103      


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 -1.960 1.960
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 5.638 0.000 0.000
y 0.000 6.121 0.000
z 0.000 0.000 7.567


<r2> (average value of r2) Å2
<r2> 56.308
(<r2>)1/2 7.504