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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: wB97X-D/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 wB97X-D/aug-cc-pVDZ
 hartrees
Energy at 0K-476.767702
Energy at 298.15K-476.772165
HF Energy-476.767702
Nuclear repulsion energy100.705596
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/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 3160 3025 15.10      
2 A1 1498 1434 1.73      
3 A1 1158 1108 2.00      
4 A1 1046 1001 0.76      
5 A1 649 621 28.03      
6 A2 3250 3111 0.00      
7 A2 1195 1144 0.00      
8 A2 899 861 0.00      
9 B1 3264 3125 3.02      
10 B1 955 914 2.87      
11 B1 844 808 0.68      
12 B2 3156 3022 11.70      
13 B2 1464 1401 1.38      
14 B2 1069 1023 23.27      
15 B2 690 661 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 12148.3 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 11629.6 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 wB97X-D/aug-cc-pVDZ
ABC
0.73551 0.35498 0.26516

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-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 -0.921 1.255 -1.076
H5 0.921 1.255 -1.076
H6 0.921 -1.255 -1.076
H7 -0.921 -1.255 -1.076

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.82991.82992.49242.49242.49242.4924
C21.82991.48041.08971.08972.21462.2146
C31.82991.48042.21462.21461.08971.0897
H42.49241.08972.21461.84143.11362.5107
H52.49241.08972.21461.84142.51073.1136
H62.49242.21461.08973.11362.51071.8414
H72.49242.21461.08972.51073.11361.8414

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.140 S1 C2 H4 114.850
S1 C2 H5 114.850 S1 C3 C2 66.140
S1 C3 H6 114.850 S1 C3 H7 114.850
C2 S1 C3 47.721 C2 C3 H6 118.211
C2 C3 H7 118.211 C3 C2 H4 118.211
C3 C2 H5 118.211 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/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.061      
2 C 0.702      
3 C 0.702      
4 H -0.366      
5 H -0.366      
6 H -0.366      
7 H -0.366      


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 -2.090 2.090
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.280 0.000 0.000
y 0.000 -24.434 0.000
z 0.000 0.000 -26.389
Traceless
 xyz
x -0.868 0.000 0.000
y 0.000 1.900 0.000
z 0.000 0.000 -1.032
Polar
3z2-r2-2.063
x2-y2-1.845
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.665 0.000 0.000
y 0.000 6.246 0.000
z 0.000 0.000 7.760


<r2> (average value of r2) Å2
<r2> 56.814
(<r2>)1/2 7.537