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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: B97D3/aug-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 B97D3/aug-cc-pVDZ
 hartrees
Energy at 0K-476.762366
Energy at 298.15K-476.766749
HF Energy-476.762366
Nuclear repulsion energy100.113529
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 B97D3/aug-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 3070 3070 22.35      
2 A1 1454 1454 3.21      
3 A1 1128 1128 1.80      
4 A1 1009 1009 0.37      
5 A1 617 617 24.03      
6 A2 3157 3157 0.00      
7 A2 1160 1160 0.00      
8 A2 876 876 0.00      
9 B1 3172 3172 9.15      
10 B1 931 931 3.74      
11 B1 812 812 0.32      
12 B2 3069 3069 18.83      
13 B2 1430 1430 0.31      
14 B2 1023 1023 21.60      
15 B2 651 651 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 11779.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11779.6 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 B97D3/aug-cc-pVDZ
ABC
0.72839 0.35029 0.26181

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-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 0.744 -0.809
C3 0.000 -0.744 -0.809
H4 -0.924 1.263 -1.081
H5 0.924 1.263 -1.081
H6 0.924 -1.263 -1.081
H7 -0.924 -1.263 -1.081

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.84241.84242.50622.50622.50622.5062
C21.84241.48721.09421.09422.22602.2260
C31.84241.48722.22602.22601.09421.0942
H42.50621.09422.22601.84743.13002.5267
H52.50621.09422.22601.84742.52673.1300
H62.50622.22601.09423.13002.52671.8474
H72.50622.22601.09422.52673.13001.8474

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.196 S1 C2 H4 114.774
S1 C2 H5 114.774 S1 C3 C2 66.196
S1 C3 H6 114.774 S1 C3 H7 114.774
C2 S1 C3 47.608 C2 C3 H6 118.360
C2 C3 H7 118.360 C3 C2 H4 118.360
C3 C2 H5 118.360 H4 C2 H5 115.168
H6 C3 H7 115.168
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.020      
2 C 0.861      
3 C 0.861      
4 H -0.436      
5 H -0.436      
6 H -0.436      
7 H -0.436      


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 -1.995 1.995
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.427 0.000 0.000
y 0.000 -24.608 0.000
z 0.000 0.000 -26.495
Traceless
 xyz
x -0.875 0.000 0.000
y 0.000 1.853 0.000
z 0.000 0.000 -0.977
Polar
3z2-r2-1.955
x2-y2-1.819
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.902 0.000 0.000
y 0.000 6.449 0.000
z 0.000 0.000 8.036


<r2> (average value of r2) Å2
<r2> 57.396
(<r2>)1/2 7.576