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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: wB97X-D/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/daug-cc-pVTZ
 hartrees
Energy at 0K-476.802970
Energy at 298.15K-476.807427
HF Energy-476.802970
Nuclear repulsion energy101.365652
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 wB97X-D/daug-cc-pVTZ
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 3156 3156 14.48      
2 A1 1508 1508 1.97      
3 A1 1150 1150 1.48      
4 A1 1051 1051 0.89      
5 A1 643 643 27.20      
6 A2 3237 3237 0.00      
7 A2 1209 1209 0.00      
8 A2 901 901 0.00      
9 B1 3252 3252 2.63      
10 B1 957 957 2.98      
11 B1 855 855 0.64      
12 B2 3154 3154 10.59      
13 B2 1481 1481 1.73      
14 B2 1088 1088 22.71      
15 B2 694 694 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 12167.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12167.4 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 wB97X-D/daug-cc-pVTZ
ABC
0.74279 0.36033 0.26861

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.865
C2 0.000 0.738 -0.796
C3 0.000 -0.738 -0.796
H4 -0.913 1.247 -1.070
H5 0.913 1.247 -1.070
H6 0.913 -1.247 -1.070
H7 -0.913 -1.247 -1.070

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.81701.81702.47662.47662.47662.4766
C21.81701.47551.08101.08102.20222.2022
C31.81701.47552.20222.20221.08101.0810
H42.47661.08102.20221.82603.09172.4948
H52.47661.08102.20221.82602.49483.0917
H62.47662.20221.08103.09172.49481.8260
H72.47662.20221.08102.49483.09171.8260

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.045 S1 C2 H4 115.050
S1 C2 H5 115.050 S1 C3 C2 66.045
S1 C3 H6 115.050 S1 C3 H7 115.050
C2 S1 C3 47.910 C2 C3 H6 118.131
C2 C3 H7 118.131 C3 C2 H4 118.131
C3 C2 H5 118.131 H4 C2 H5 115.248
H6 C3 H7 115.248
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.314      
2 C -0.642      
3 C -0.642      
4 H 0.400      
5 H 0.400      
6 H 0.400      
7 H 0.400      


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 -1.995 1.995
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.112 0.000 0.000
y 0.000 -24.363 0.000
z 0.000 0.000 -26.254
Traceless
 xyz
x -0.803 0.000 0.000
y 0.000 1.820 0.000
z 0.000 0.000 -1.016
Polar
3z2-r2-2.033
x2-y2-1.749
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.799 0.000 0.000
y 0.000 6.276 0.000
z 0.000 0.000 7.732


<r2> (average value of r2) Å2
<r2> 56.208
(<r2>)1/2 7.497