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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: B2PLYP/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 B2PLYP/Def2TZVPP
 hartrees
Energy at 0K-476.624753
Energy at 298.15K-476.629201
HF Energy-476.454927
Nuclear repulsion energy101.242873
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 B2PLYP/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 3153 3153 13.97      
2 A1 1508 1508 3.32      
3 A1 1146 1146 1.66      
4 A1 1053 1053 0.80      
5 A1 634 634 23.63      
6 A2 3235 3235 0.00      
7 A2 1203 1203 0.00      
8 A2 910 910 0.00      
9 B1 3250 3250 4.22      
10 B1 966 966 3.98      
11 B1 841 841 0.34      
12 B2 3151 3151 11.92      
13 B2 1485 1485 0.44      
14 B2 1082 1082 28.17      
15 B2 679 679 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 12146.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12146.9 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 B2PLYP/Def2TZVPP
ABC
0.73999 0.35967 0.26782

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.865
C2 0.000 0.740 -0.797
C3 0.000 -0.740 -0.797
H4 -0.912 1.249 -1.072
H5 0.912 1.249 -1.072
H6 0.912 -1.249 -1.072
H7 -0.912 -1.249 -1.072

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.81951.81952.47862.47862.47862.4786
C21.81951.48001.07991.07992.20512.2051
C31.81951.48002.20512.20511.07991.0799
H42.47861.07992.20511.82423.09272.4974
H52.47861.07992.20511.82422.49743.0927
H62.47862.20511.07993.09272.49741.8242
H72.47862.20511.07992.49743.09271.8242

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.003 S1 C2 H4 115.095
S1 C2 H5 115.095 S1 C3 C2 66.003
S1 C3 H6 115.095 S1 C3 H7 115.095
C2 S1 C3 47.995 C2 C3 H6 118.103
C2 C3 H7 118.103 C3 C2 H4 118.103
C3 C2 H5 118.103 H4 C2 H5 115.253
H6 C3 H7 115.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.136      
2 C -0.141      
3 C -0.141      
4 H 0.104      
5 H 0.104      
6 H 0.104      
7 H 0.104      


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 -1.915 1.915
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.300 0.000 0.000
y 0.000 -24.658 0.000
z 0.000 0.000 -26.451
Traceless
 xyz
x -0.745 0.000 0.000
y 0.000 1.718 0.000
z 0.000 0.000 -0.972
Polar
3z2-r2-1.944
x2-y2-1.642
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.792 0.000 0.000
y 0.000 5.864 0.000
z 0.000 0.000 7.147


<r2> (average value of r2) Å2
<r2> 56.448
(<r2>)1/2 7.513