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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-476.618264
Energy at 298.15K-476.622743
HF Energy-476.618264
Nuclear repulsion energy101.589224
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 HSEh1PBE/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 3142 3020 15.01      
2 A1 1491 1433 2.80      
3 A1 1160 1115 1.33      
4 A1 1045 1004 1.11      
5 A1 663 638 23.75      
6 A2 3223 3097 0.00      
7 A2 1194 1147 0.00      
8 A2 903 868 0.00      
9 B1 3237 3111 4.02      
10 B1 963 925 3.84      
11 B1 835 803 0.55      
12 B2 3141 3018 13.04      
13 B2 1466 1409 1.15      
14 B2 1077 1035 25.69      
15 B2 710 682 0.62      

Unscaled Zero Point Vibrational Energy (zpe) 12124.0 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 11652.4 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 HSEh1PBE/cc-pVTZ
ABC
0.74143 0.36355 0.27025

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.861
C2 0.000 0.738 -0.791
C3 0.000 -0.738 -0.791
H4 -0.913 1.249 -1.068
H5 0.913 1.249 -1.068
H6 0.913 -1.249 -1.068
H7 -0.913 -1.249 -1.068

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.80931.80932.47272.47272.47272.4727
C21.80931.47651.08271.08272.20492.2049
C31.80931.47652.20492.20491.08271.0827
H42.47271.08272.20491.82693.09552.4989
H52.47271.08272.20491.82692.49893.0955
H62.47272.20491.08273.09552.49891.8269
H72.47272.20491.08272.49893.09551.8269

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.919 S1 C2 H4 115.208
S1 C2 H5 115.208 S1 C3 C2 65.919
S1 C3 H6 115.208 S1 C3 H7 115.208
C2 S1 C3 48.161 C2 C3 H6 118.174
C2 C3 H7 118.174 C3 C2 H4 118.174
C3 C2 H5 118.174 H4 C2 H5 115.062
H6 C3 H7 115.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.150      
2 C -0.178      
3 C -0.178      
4 H 0.126      
5 H 0.126      
6 H 0.126      
7 H 0.126      


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 -1.939 1.939
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.007 0.000 0.000
y 0.000 -24.384 0.000
z 0.000 0.000 -26.238
Traceless
 xyz
x -0.697 0.000 0.000
y 0.000 1.739 0.000
z 0.000 0.000 -1.042
Polar
3z2-r2-2.084
x2-y2-1.624
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.629 0.000 0.000
y 0.000 5.652 0.000
z 0.000 0.000 7.038


<r2> (average value of r2) Å2
<r2> 56.000
(<r2>)1/2 7.483