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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/Def2TZVPP
 hartrees
Energy at 0K-476.615946
Energy at 298.15K-476.620420
HF Energy-476.615946
Nuclear repulsion energy101.815611
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/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 3142 3142 15.33      
2 A1 1491 1491 2.87      
3 A1 1159 1159 1.14      
4 A1 1044 1044 1.06      
5 A1 665 665 23.47      
6 A2 3223 3223 0.00      
7 A2 1191 1191 0.00      
8 A2 904 904 0.00      
9 B1 3238 3238 4.00      
10 B1 965 965 4.22      
11 B1 835 835 0.55      
12 B2 3140 3140 12.59      
13 B2 1466 1466 0.96      
14 B2 1076 1076 27.68      
15 B2 716 716 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 12127.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12127.9 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 HSEh1PBE/Def2TZVPP
ABC
0.74086 0.36651 0.27179

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.857
C2 0.000 0.739 -0.787
C3 0.000 -0.739 -0.787
H4 -0.913 1.249 -1.067
H5 0.913 1.249 -1.067
H6 0.913 -1.249 -1.067
H7 -0.913 -1.249 -1.067

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.80231.80232.46882.46882.46882.4688
C21.80231.47771.08291.08292.20552.2055
C31.80231.47772.20552.20551.08291.0829
H42.46881.08292.20551.82663.09472.4982
H52.46881.08292.20551.82662.49823.0947
H62.46882.20551.08293.09472.49821.8266
H72.46882.20551.08292.49823.09471.8266

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.798 S1 C2 H4 115.393
S1 C2 H5 115.393 S1 C3 C2 65.798
S1 C3 H6 115.393 S1 C3 H7 115.393
C2 S1 C3 48.405 C2 C3 H6 118.109
C2 C3 H7 118.109 C3 C2 H4 118.109
C3 C2 H5 118.109 H4 C2 H5 114.993
H6 C3 H7 114.993
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.154      
2 C -0.126      
3 C -0.126      
4 H 0.101      
5 H 0.101      
6 H 0.101      
7 H 0.101      


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 -1.895 1.895
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.009 0.000 0.000
y 0.000 -24.373 0.000
z 0.000 0.000 -26.256
Traceless
 xyz
x -0.695 0.000 0.000
y 0.000 1.759 0.000
z 0.000 0.000 -1.064
Polar
3z2-r2-2.128
x2-y2-1.636
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.812 0.000 0.000
y 0.000 5.866 0.000
z 0.000 0.000 7.089


<r2> (average value of r2) Å2
<r2> 55.816
(<r2>)1/2 7.471