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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: wB97X-D/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-476.799848
Energy at 298.15K-476.804320
HF Energy-476.799848
Nuclear repulsion energy101.621187
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/Def2TZVPP
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 3158 3017 13.42      
2 A1 1508 1441 2.49      
3 A1 1150 1099 1.36      
4 A1 1052 1005 1.02      
5 A1 650 620 26.15      
6 A2 3240 3095 0.00      
7 A2 1206 1152 0.00      
8 A2 904 864 0.00      
9 B1 3254 3108 3.69      
10 B1 962 919 3.78      
11 B1 856 818 0.51      
12 B2 3155 3014 11.71      
13 B2 1481 1415 1.31      
14 B2 1089 1040 26.80      
15 B2 705 673 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 12185.2 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 11639.3 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/Def2TZVPP
ABC
0.74162 0.36385 0.27038

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.860
C2 0.000 0.739 -0.790
C3 0.000 -0.739 -0.790
H4 -0.913 1.248 -1.070
H5 0.913 1.248 -1.070
H6 0.913 -1.248 -1.070
H7 -0.913 -1.248 -1.070

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.80851.80852.47282.47282.47282.4728
C21.80851.47751.08171.08172.20382.2038
C31.80851.47752.20382.20381.08171.0817
H42.47281.08172.20381.82523.09172.4955
H52.47281.08172.20381.82522.49553.0917
H62.47282.20381.08173.09172.49551.8252
H72.47282.20381.08172.49553.09171.8252

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.891 S1 C2 H4 115.338
S1 C2 H5 115.338 S1 C3 C2 65.891
S1 C3 H6 115.338 S1 C3 H7 115.338
C2 S1 C3 48.219 C2 C3 H6 118.072
C2 C3 H7 118.072 C3 C2 H4 118.072
C3 C2 H5 118.072 H4 C2 H5 115.069
H6 C3 H7 115.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.149      
2 C -0.124      
3 C -0.124      
4 H 0.099      
5 H 0.099      
6 H 0.099      
7 H 0.099      


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 -1.951 1.951
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.955 0.000 0.000
y 0.000 -24.297 0.000
z 0.000 0.000 -26.159
Traceless
 xyz
x -0.727 0.000 0.000
y 0.000 1.760 0.000
z 0.000 0.000 -1.033
Polar
3z2-r2-2.066
x2-y2-1.658
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.787 0.000 0.000
y 0.000 5.833 0.000
z 0.000 0.000 7.096


<r2> (average value of r2) Å2
<r2> 55.933
(<r2>)1/2 7.479