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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: wB97X-D/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 wB97X-D/daug-cc-pVDZ
 hartrees
Energy at 0K-476.768290
Energy at 298.15K-476.772753
HF Energy-476.768290
Nuclear repulsion energy100.713863
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 wB97X-D/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 3157 3157 14.96      
2 A1 1495 1495 1.81      
3 A1 1157 1157 2.07      
4 A1 1042 1042 0.73      
5 A1 648 648 28.09      
6 A2 3249 3249 0.00      
7 A2 1194 1194 0.00      
8 A2 895 895 0.00      
9 B1 3262 3262 3.10      
10 B1 953 953 2.86      
11 B1 843 843 0.67      
12 B2 3154 3154 11.90      
13 B2 1462 1462 1.41      
14 B2 1070 1070 23.04      
15 B2 690 690 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 12136.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12136.5 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 wB97X-D/daug-cc-pVDZ
ABC
0.73579 0.35497 0.26517

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.871
C2 0.000 0.740 -0.803
C3 0.000 -0.740 -0.803
H4 -0.920 1.255 -1.076
H5 0.920 1.255 -1.076
H6 0.920 -1.255 -1.076
H7 -0.920 -1.255 -1.076

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.82991.82992.49222.49222.49222.4922
C21.82991.48031.08931.08932.21402.2140
C31.82991.48032.21402.21401.08931.0893
H42.49221.08932.21401.84063.11242.5098
H52.49221.08932.21401.84062.50983.1124
H62.49222.21401.08933.11242.50981.8406
H72.49222.21401.08932.50983.11241.8406

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.141 S1 C2 H4 114.864
S1 C2 H5 114.864 S1 C3 C2 66.141
S1 C3 H6 114.864 S1 C3 H7 114.864
C2 S1 C3 47.718 C2 C3 H6 118.199
C2 C3 H7 118.199 C3 C2 H4 118.199
C3 C2 H5 118.199 H4 C2 H5 115.318
H6 C3 H7 115.318
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.170      
2 C 1.480      
3 C 1.480      
4 H -0.698      
5 H -0.698      
6 H -0.698      
7 H -0.698      


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 -2.082 2.082
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.300 0.000 0.000
y 0.000 -24.445 0.000
z 0.000 0.000 -26.348
Traceless
 xyz
x -0.903 0.000 0.000
y 0.000 1.879 0.000
z 0.000 0.000 -0.976
Polar
3z2-r2-1.951
x2-y2-1.855
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.849 0.000 0.000
y 0.000 6.360 0.000
z 0.000 0.000 7.841


<r2> (average value of r2) Å2
<r2> 56.806
(<r2>)1/2 7.537