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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: wB97X-D/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-476.745766
Energy at 298.15K-476.750250
HF Energy-476.745766
Nuclear repulsion energy101.064428
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/cc-pVDZ
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 3168 3018 12.61      
2 A1 1522 1449 3.89      
3 A1 1157 1102 3.42      
4 A1 1063 1013 1.14      
5 A1 656 625 30.18      
6 A2 3254 3099 0.00      
7 A2 1206 1149 0.00      
8 A2 913 870 0.00      
9 B1 3266 3111 4.08      
10 B1 970 924 4.04      
11 B1 858 817 1.01      
12 B2 3165 3015 12.15      
13 B2 1489 1418 1.33      
14 B2 1099 1047 40.88      
15 B2 698 665 1.21      

Unscaled Zero Point Vibrational Energy (zpe) 12241.5 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 11661.3 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/cc-pVDZ
ABC
0.73692 0.35879 0.26714

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.866
C2 0.000 0.740 -0.796
C3 0.000 -0.740 -0.796
H4 -0.916 1.252 -1.077
H5 0.916 1.252 -1.077
H6 0.916 -1.252 -1.077
H7 -0.916 -1.252 -1.077

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.81901.81902.48672.48672.48672.4867
C21.81901.48071.08631.08632.21112.2111
C31.81901.48072.21112.21111.08631.0863
H42.48671.08632.21111.83113.10292.5050
H52.48671.08632.21111.83112.50503.1029
H62.48672.21111.08633.10292.50501.8311
H72.48672.21111.08632.50503.10291.8311

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.984 S1 C2 H4 115.397
S1 C2 H5 115.397 S1 C3 C2 65.984
S1 C3 H6 115.397 S1 C3 H7 115.397
C2 S1 C3 48.033 C2 C3 H6 118.129
C2 C3 H7 118.129 C3 C2 H4 118.129
C3 C2 H5 118.129 H4 C2 H5 114.885
H6 C3 H7 114.885
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.066      
2 C -0.358      
3 C -0.358      
4 H 0.195      
5 H 0.195      
6 H 0.195      
7 H 0.195      


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 -2.174 2.174
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.247 0.000 0.000
y 0.000 -24.300 0.000
z 0.000 0.000 -26.475
Traceless
 xyz
x -0.859 0.000 0.000
y 0.000 2.061 0.000
z 0.000 0.000 -1.202
Polar
3z2-r2-2.403
x2-y2-1.947
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.977 0.000 0.000
y 0.000 5.419 0.000
z 0.000 0.000 6.886


<r2> (average value of r2) Å2
<r2> 56.518
(<r2>)1/2 7.518