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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: wB97X-D/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-476.802792
Energy at 298.15K-476.807264
HF Energy-476.802792
Nuclear repulsion energy101.387863
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/aug-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 3155 3018 14.68      
2 A1 1509 1443 2.01      
3 A1 1150 1100 1.44      
4 A1 1052 1007 0.83      
5 A1 645 617 27.20      
6 A2 3235 3095 0.00      
7 A2 1209 1157 0.00      
8 A2 901 862 0.00      
9 B1 3249 3108 2.74      
10 B1 958 916 3.02      
11 B1 855 818 0.67      
12 B2 3152 3015 10.73      
13 B2 1481 1417 1.64      
14 B2 1089 1042 22.83      
15 B2 696 666 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 12168.6 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 11640.5 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/aug-cc-pVTZ
ABC
0.74262 0.36069 0.26877

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.864
C2 0.000 0.738 -0.794
C3 0.000 -0.738 -0.794
H4 -0.912 1.248 -1.072
H5 0.912 1.248 -1.072
H6 0.912 -1.248 -1.072
H7 -0.912 -1.248 -1.072

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.81491.81492.47682.47682.47682.4768
C21.81491.47541.08131.08132.20252.2025
C31.81491.47542.20252.20251.08131.0813
H42.47681.08132.20251.82443.09142.4957
H52.47681.08132.20251.82442.49573.0914
H62.47682.20251.08133.09142.49571.8244
H72.47682.20251.08132.49573.09141.8244

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.017 S1 C2 H4 115.210
S1 C2 H5 115.210 S1 C3 C2 66.017
S1 C3 H6 115.210 S1 C3 H7 115.210
C2 S1 C3 47.966 C2 C3 H6 118.151
C2 C3 H7 118.151 C3 C2 H4 118.151
C3 C2 H5 118.151 H4 C2 H5 115.051
H6 C3 H7 115.051
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.043      
2 C -0.490      
3 C -0.490      
4 H 0.255      
5 H 0.255      
6 H 0.255      
7 H 0.255      


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 -1.991 1.991
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.134 0.000 0.000
y 0.000 -24.362 0.000
z 0.000 0.000 -26.243
Traceless
 xyz
x -0.832 0.000 0.000
y 0.000 1.827 0.000
z 0.000 0.000 -0.995
Polar
3z2-r2-1.989
x2-y2-1.772
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.773 0.000 0.000
y 0.000 6.258 0.000
z 0.000 0.000 7.709


<r2> (average value of r2) Å2
<r2> 56.194
(<r2>)1/2 7.496