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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: B3LYPultrafine/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYPultrafine/cc-pVDZ
 hartrees
Energy at 0K-476.803614
Energy at 298.15K-476.808024
HF Energy-476.803614
Nuclear repulsion energy100.191028
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 B3LYPultrafine/cc-pVDZ
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 3116 3023 11.98      
2 A1 1471 1427 3.05      
3 A1 1146 1112 2.92      
4 A1 1033 1002 0.17      
5 A1 631 612 24.88      
6 A2 3201 3105 0.00      
7 A2 1182 1146 0.00      
8 A2 881 854 0.00      
9 B1 3216 3119 7.02      
10 B1 939 911 4.64      
11 B1 828 803 0.44      
12 B2 3114 3021 14.07      
13 B2 1441 1398 0.45      
14 B2 1052 1021 25.84      
15 B2 657 637 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 11952.9 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 11594.3 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 B3LYPultrafine/cc-pVDZ
ABC
0.73200 0.35014 0.26208

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.877
C2 0.000 0.741 -0.808
C3 0.000 -0.741 -0.808
H4 -0.922 1.262 -1.084
H5 0.922 1.262 -1.084
H6 0.922 -1.262 -1.084
H7 -0.922 -1.262 -1.084

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.84141.84142.50732.50732.50732.5073
C21.84141.48241.09391.09392.22202.2220
C31.84141.48242.22202.22201.09391.0939
H42.50731.09392.22201.84393.12542.5235
H52.50731.09392.22201.84392.52353.1254
H62.50732.22201.09393.12542.52351.8439
H72.50732.22201.09392.52353.12541.8439

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.265 S1 C2 H4 114.946
S1 C2 H5 114.946 S1 C3 C2 66.265
S1 C3 H6 114.946 S1 C3 H7 114.946
C2 S1 C3 47.471 C2 C3 H6 118.416
C2 C3 H7 118.416 C3 C2 H4 118.416
C3 C2 H5 118.416 H4 C2 H5 114.873
H6 C3 H7 114.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.120      
2 C -0.059      
3 C -0.059      
4 H 0.059      
5 H 0.059      
6 H 0.059      
7 H 0.059      


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 -1.897 1.897
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.967 0.000 0.000
y 0.000 -24.405 0.000
z 0.000 0.000 -25.996
Traceless
 xyz
x -0.767 0.000 0.000
y 0.000 1.577 0.000
z 0.000 0.000 -0.810
Polar
3z2-r2-1.620
x2-y2-1.562
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.995 0.000 0.000
y 0.000 5.087 0.000
z 0.000 0.000 6.494


<r2> (average value of r2) Å2
<r2> 57.112
(<r2>)1/2 7.557