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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: B3LYP/daug-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 B3LYP/daug-cc-pVTZ
 hartrees
Energy at 0K-476.851507
Energy at 298.15K-476.855925
HF Energy-476.851507
Nuclear repulsion energy100.839653
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 B3LYP/daug-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 3124 3124 16.09      
2 A1 1497 1497 2.64      
3 A1 1141 1141 1.60      
4 A1 1045 1045 0.68      
5 A1 621 621 25.46      
6 A2 3200 3200 0.00      
7 A2 1200 1200 0.00      
8 A2 899 899 0.00      
9 B1 3215 3215 3.48      
10 B1 954 954 3.30      
11 B1 837 837 0.53      
12 B2 3123 3123 11.77      
13 B2 1475 1475 0.94      
14 B2 1078 1078 22.51      
15 B2 661 661 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 12034.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12034.5 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 B3LYP/daug-cc-pVTZ
ABC
0.74056 0.35473 0.26514

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.872
C2 0.000 0.739 -0.804
C3 0.000 -0.739 -0.804
H4 -0.912 1.252 -1.076
H5 0.912 1.252 -1.076
H6 0.912 -1.252 -1.076
H7 -0.912 -1.252 -1.076

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.83111.83112.48842.48842.48842.4884
C21.83111.47721.08121.08122.20632.2063
C31.83111.47722.20632.20631.08121.0812
H42.48841.08122.20631.82383.09762.5038
H52.48841.08122.20631.82382.50383.0976
H62.48842.20631.08123.09762.50381.8238
H72.48842.20631.08122.50383.09761.8238

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.212 S1 C2 H4 114.945
S1 C2 H5 114.945 S1 C3 C2 66.212
S1 C3 H6 114.945 S1 C3 H7 114.945
C2 S1 C3 47.577 C2 C3 H6 118.343
C2 C3 H7 118.343 C3 C2 H4 118.343
C3 C2 H5 118.343 H4 C2 H5 114.998
H6 C3 H7 114.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.242      
2 C -0.543      
3 C -0.543      
4 H 0.332      
5 H 0.332      
6 H 0.332      
7 H 0.332      


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 -1.962 1.962
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.476 0.000 0.000
y 0.000 -24.695 0.000
z 0.000 0.000 -26.572
Traceless
 xyz
x -0.842 0.000 0.000
y 0.000 1.829 0.000
z 0.000 0.000 -0.987
Polar
3z2-r2-1.974
x2-y2-1.780
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.916 0.000 0.000
y 0.000 6.403 0.000
z 0.000 0.000 7.954


<r2> (average value of r2) Å2
<r2> 56.870
(<r2>)1/2 7.541