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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: B3LYP/daug-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 B3LYP/daug-cc-pVDZ
 hartrees
Energy at 0K-476.814251
Energy at 298.15K-476.818664
HF Energy-476.814251
Nuclear repulsion energy100.133420
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-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 3128 3128 15.96      
2 A1 1483 1483 2.36      
3 A1 1144 1144 2.05      
4 A1 1031 1031 0.53      
5 A1 622 622 26.35      
6 A2 3216 3216 0.00      
7 A2 1187 1187 0.00      
8 A2 888 888 0.00      
9 B1 3230 3230 3.87      
10 B1 944 944 3.24      
11 B1 826 826 0.47      
12 B2 3127 3127 12.26      
13 B2 1456 1456 0.90      
14 B2 1055 1055 22.46      
15 B2 649 649 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 11992.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11992.0 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-pVDZ
ABC
0.73356 0.34876 0.26138

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.879
C2 0.000 0.741 -0.812
C3 0.000 -0.741 -0.812
H4 -0.920 1.259 -1.081
H5 0.920 1.259 -1.081
H6 0.920 -1.259 -1.081
H7 -0.920 -1.259 -1.081

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.84601.84602.50462.50462.50462.5046
C21.84601.48201.08951.08952.21802.2180
C31.84601.48202.21802.21801.08951.0895
H42.50461.08952.21801.83943.11882.5186
H52.50461.08952.21801.83942.51863.1188
H62.50462.21801.08953.11882.51861.8394
H72.50462.21801.08952.51863.11881.8394

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.334 S1 C2 H4 114.661
S1 C2 H5 114.661 S1 C3 C2 66.334
S1 C3 H6 114.661 S1 C3 H7 114.661
C2 S1 C3 47.332 C2 C3 H6 118.407
C2 C3 H7 118.407 C3 C2 H4 118.407
C3 C2 H5 118.407 H4 C2 H5 115.169
H6 C3 H7 115.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.186      
2 C 1.888      
3 C 1.888      
4 H -0.898      
5 H -0.898      
6 H -0.898      
7 H -0.898      


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 -2.024 2.024
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.613 0.000 0.000
y 0.000 -24.772 0.000
z 0.000 0.000 -26.631
Traceless
 xyz
x -0.912 0.000 0.000
y 0.000 1.850 0.000
z 0.000 0.000 -0.939
Polar
3z2-r2-1.877
x2-y2-1.841
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.978 0.000 0.000
y 0.000 6.478 0.000
z 0.000 0.000 8.050


<r2> (average value of r2) Å2
<r2> 57.502
(<r2>)1/2 7.583