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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: wB97X-D/6-311G**

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/6-311G**
 hartrees
Energy at 0K-476.783573
Energy at 298.15K-476.788050
HF Energy-476.783573
Nuclear repulsion energy101.157467
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/6-311G**
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 3148 3011 14.18      
2 A1 1512 1446 3.29      
3 A1 1157 1106 3.35      
4 A1 1058 1012 0.36      
5 A1 652 623 30.11      
6 A2 3231 3091 0.00      
7 A2 1202 1150 0.00      
8 A2 912 872 0.00      
9 B1 3245 3104 6.62      
10 B1 970 928 8.76      
11 B1 858 821 0.75      
12 B2 3145 3008 13.48      
13 B2 1479 1415 1.94      
14 B2 1092 1045 42.99      
15 B2 691 661 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 12176.1 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 11646.4 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/6-311G**
ABC
0.74002 0.35885 0.26753

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.866
C2 0.000 0.739 -0.796
C3 0.000 -0.739 -0.796
H4 -0.914 1.249 -1.076
H5 0.914 1.249 -1.076
H6 0.914 -1.249 -1.076
H7 -0.914 -1.249 -1.076

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.81841.81842.48342.48342.48342.4834
C21.81841.47741.08411.08412.20622.2062
C31.81841.47742.20622.20621.08411.0841
H42.48341.08412.20621.82873.09652.4988
H52.48341.08412.20621.82872.49883.0965
H62.48342.20621.08413.09652.49881.8287
H72.48342.20621.08412.49883.09651.8287

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.030 S1 C2 H4 115.310
S1 C2 H5 115.310 S1 C3 C2 66.030
S1 C3 H6 115.310 S1 C3 H7 115.310
C2 S1 C3 47.940 C2 C3 H6 118.101
C2 C3 H7 118.101 C3 C2 H4 118.101
C3 C2 H5 118.101 H4 C2 H5 115.003
H6 C3 H7 115.003
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.009      
2 C -0.342      
3 C -0.342      
4 H 0.173      
5 H 0.173      
6 H 0.173      
7 H 0.173      


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 -2.140 2.140
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.365 0.000 0.000
y 0.000 -24.444 0.000
z 0.000 0.000 -26.504
Traceless
 xyz
x -0.891 0.000 0.000
y 0.000 1.991 0.000
z 0.000 0.000 -1.100
Polar
3z2-r2-2.199
x2-y2-1.922
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.033 0.000 0.000
y 0.000 5.157 0.000
z 0.000 0.000 6.762


<r2> (average value of r2) Å2
<r2> 56.504
(<r2>)1/2 7.517