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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-311G*
 hartrees
Energy at 0K-476.593571
Energy at 298.15K-476.598052
HF Energy-476.593571
Nuclear repulsion energy101.336707
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 HSEh1PBE/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 3146 3019 18.07      
2 A1 1514 1453 4.02      
3 A1 1173 1126 3.31      
4 A1 1055 1012 0.39      
5 A1 667 640 27.36      
6 A2 3229 3098 0.00      
7 A2 1202 1154 0.00      
8 A2 919 882 0.00      
9 B1 3244 3112 9.37      
10 B1 980 941 11.10      
11 B1 849 815 0.80      
12 B2 3144 3017 16.92      
13 B2 1482 1422 1.37      
14 B2 1082 1038 47.17      
15 B2 702 673 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 12192.9 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 11700.3 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 HSEh1PBE/6-311G*
ABC
0.74040 0.36092 0.26871

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.864
C2 0.000 0.738 -0.794
C3 0.000 -0.738 -0.794
H4 -0.914 1.252 -1.072
H5 0.914 1.252 -1.072
H6 0.914 -1.252 -1.072
H7 -0.914 -1.252 -1.072

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.81521.81522.47992.47992.47992.4799
C21.81521.47651.08481.08482.20762.2076
C31.81521.47652.20762.20761.08481.0848
H42.47991.08482.20761.82863.10042.5038
H52.47991.08482.20761.82862.50383.1004
H62.47992.20761.08483.10042.50381.8286
H72.47992.20761.08482.50383.10041.8286

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.001 S1 C2 H4 115.228
S1 C2 H5 115.228 S1 C3 C2 66.001
S1 C3 H6 115.228 S1 C3 H7 115.228
C2 S1 C3 47.997 C2 C3 H6 118.263
C2 C3 H7 118.263 C3 C2 H4 118.263
C3 C2 H5 118.263 H4 C2 H5 114.882
H6 C3 H7 114.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.024      
2 C -0.545      
3 C -0.545      
4 H 0.267      
5 H 0.267      
6 H 0.267      
7 H 0.267      


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 -2.146 2.146
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.427 0.000 0.000
y 0.000 -24.519 0.000
z 0.000 0.000 -26.614
Traceless
 xyz
x -0.860 0.000 0.000
y 0.000 2.001 0.000
z 0.000 0.000 -1.141
Polar
3z2-r2-2.282
x2-y2-1.908
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.991 0.000 0.000
y 0.000 5.095 0.000
z 0.000 0.000 6.683


<r2> (average value of r2) Å2
<r2> 56.408
(<r2>)1/2 7.511