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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: wB97X-D/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/cc-pVTZ
 hartrees
Energy at 0K-476.801492
Energy at 298.15K-476.805967
HF Energy-476.801492
Nuclear repulsion energy101.428862
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-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 3016 13.98      
2 A1 1509 1443 2.51      
3 A1 1152 1101 1.59      
4 A1 1053 1007 0.92      
5 A1 648 619 26.64      
6 A2 3235 3093 0.00      
7 A2 1209 1156 0.00      
8 A2 902 863 0.00      
9 B1 3249 3106 4.45      
10 B1 959 917 3.43      
11 B1 857 819 0.47      
12 B2 3152 3013 13.07      
13 B2 1482 1417 1.47      
14 B2 1090 1042 25.50      
15 B2 698 667 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 12174.6 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 11638.9 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 wB97X-D/cc-pVTZ
ABC
0.74274 0.36118 0.26903

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/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
S11.81461.81462.47702.47702.47702.4770
C21.81461.47561.08141.08142.20282.2028
C31.81461.47562.20282.20281.08141.0814
H42.47701.08142.20281.82443.09162.4959
H52.47701.08142.20281.82442.49593.0916
H62.47702.20281.08143.09162.49591.8244
H72.47702.20281.08142.49593.09161.8244

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.010 S1 C2 H4 115.238
S1 C2 H5 115.238 S1 C3 C2 66.010
S1 C3 H6 115.238 S1 C3 H7 115.238
C2 S1 C3 47.980 C2 C3 H6 118.150
C2 C3 H7 118.150 C3 C2 H4 118.150
C3 C2 H5 118.150 H4 C2 H5 115.025
H6 C3 H7 115.025
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.139      
2 C -0.164      
3 C -0.164      
4 H 0.117      
5 H 0.117      
6 H 0.117      
7 H 0.117      


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 -25.962 0.000 0.000
y 0.000 -24.308 0.000
z 0.000 0.000 -26.133
Traceless
 xyz
x -0.741 0.000 0.000
y 0.000 1.739 0.000
z 0.000 0.000 -0.998
Polar
3z2-r2-1.997
x2-y2-1.653
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.614 0.000 0.000
y 0.000 5.630 0.000
z 0.000 0.000 7.060


<r2> (average value of r2) Å2
<r2> 56.096
(<r2>)1/2 7.490