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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: wB97X-D/TZVP

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/TZVP
 hartrees
Energy at 0K-476.786405
Energy at 298.15K-476.790874
HF Energy-476.786405
Nuclear repulsion energy100.958438
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/TZVP
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 3159 3017 11.68      
2 A1 1514 1445 2.96      
3 A1 1151 1099 2.99      
4 A1 1058 1011 0.67      
5 A1 647 618 29.65      
6 A2 3243 3097 0.00      
7 A2 1208 1154 0.00      
8 A2 903 863 0.00      
9 B1 3257 3110 4.95      
10 B1 962 918 4.33      
11 B1 860 821 0.53      
12 B2 3156 3014 11.20      
13 B2 1484 1417 1.74      
14 B2 1090 1041 45.37      
15 B2 686 655 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 12187.6 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 11639.2 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/TZVP
ABC
0.74131 0.35600 0.26606

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.868
C2 0.000 0.738 -0.798
C3 0.000 -0.738 -0.798
H4 -0.913 1.249 -1.079
H5 0.913 1.249 -1.079
H6 0.913 -1.249 -1.079
H7 -0.913 -1.249 -1.079

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.82181.82182.48622.48622.48622.4862
C21.82181.47691.08311.08312.20472.2047
C31.82181.47692.20472.20471.08311.0831
H42.48621.08312.20471.82643.09372.4970
H52.48621.08312.20471.82642.49703.0937
H62.48622.20471.08313.09372.49701.8264
H72.48622.20471.08312.49703.09371.8264

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.087 S1 C2 H4 115.343
S1 C2 H5 115.343 S1 C3 C2 66.087
S1 C3 H6 115.343 S1 C3 H7 115.343
C2 S1 C3 47.825 C2 C3 H6 118.096
C2 C3 H7 118.096 C3 C2 H4 118.096
C3 C2 H5 118.096 H4 C2 H5 114.950
H6 C3 H7 114.950
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.091      
2 C -0.290      
3 C -0.290      
4 H 0.168      
5 H 0.168      
6 H 0.168      
7 H 0.168      


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 -2.154 2.154
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.062 0.000 0.000
y 0.000 -24.279 0.000
z 0.000 0.000 -26.252
Traceless
 xyz
x -0.796 0.000 0.000
y 0.000 1.878 0.000
z 0.000 0.000 -1.081
Polar
3z2-r2-2.162
x2-y2-1.783
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.394 0.000 0.000
y 0.000 5.618 0.000
z 0.000 0.000 6.881


<r2> (average value of r2) Å2
<r2> 56.527
(<r2>)1/2 7.518