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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: M06-2X/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/cc-pV(T+d)Z
 hartrees
Energy at 0K-476.778342
Energy at 298.15K-476.782829
HF Energy-476.778342
Nuclear repulsion energy101.860248
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 M06-2X/cc-pV(T+d)Z
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 10.35      
2 A1 1500 1500 2.65      
3 A1 1159 1159 1.35      
4 A1 1046 1046 1.18      
5 A1 660 660 22.87      
6 A2 3225 3225 0.00      
7 A2 1192 1192 0.00      
8 A2 903 903 0.00      
9 B1 3238 3238 1.55      
10 B1 967 967 3.78      
11 B1 828 828 0.52      
12 B2 3141 3141 8.48      
13 B2 1473 1473 0.72      
14 B2 1079 1079 26.31      
15 B2 733 733 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 12141.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12141.6 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 M06-2X/cc-pV(T+d)Z
ABC
0.74013 0.36716 0.27202

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/cc-pV(T+d)Z

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.856
C2 0.000 0.740 -0.787
C3 0.000 -0.740 -0.787
H4 -0.913 1.247 -1.065
H5 0.913 1.247 -1.065
H6 0.913 -1.247 -1.065
H7 -0.913 -1.247 -1.065

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.80171.80172.46542.46542.46542.4654
C21.80171.48021.08071.08072.20462.2046
C31.80171.48022.20462.20461.08071.0807
H42.46541.08072.20461.82563.09132.4947
H52.46541.08072.20461.82562.49473.0913
H62.46542.20461.08073.09132.49471.8256
H72.46542.20461.08072.49473.09131.8256

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.746 S1 C2 H4 115.300
S1 C2 H5 115.300 S1 C3 C2 65.746
S1 C3 H6 115.300 S1 C3 H7 115.300
C2 S1 C3 48.507 C2 C3 H6 117.996
C2 C3 H7 117.996 C3 C2 H4 117.996
C3 C2 H5 117.996 H4 C2 H5 115.275
H6 C3 H7 115.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.123      
2 C -0.224      
3 C -0.224      
4 H 0.142      
5 H 0.142      
6 H 0.142      
7 H 0.142      


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 -1.857 1.857
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.118 0.000 0.000
y 0.000 -24.521 0.000
z 0.000 0.000 -26.356
Traceless
 xyz
x -0.680 0.000 0.000
y 0.000 1.717 0.000
z 0.000 0.000 -1.037
Polar
3z2-r2-2.074
x2-y2-1.598
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.605 0.000 0.000
y 0.000 5.657 0.000
z 0.000 0.000 7.057


<r2> (average value of r2) Å2
<r2> 55.843
(<r2>)1/2 7.473