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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: B2PLYP/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/daug-cc-pVTZ
 hartrees
Energy at 0K-476.632318
Energy at 298.15K-476.636751
HF Energy-476.459199
Nuclear repulsion energy100.983714
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 B2PLYP/daug-cc-pVTZ
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 3150 3150 14.28      
2 A1 1506 1506 2.63      
3 A1 1146 1146 1.65      
4 A1 1050 1050 0.75      
5 A1 630 630 24.36      
6 A2 3231 3231 0.00      
7 A2 1205 1205 0.00      
8 A2 905 905 0.00      
9 B1 3245 3245 2.31      
10 B1 959 959 3.11      
11 B1 838 838 0.51      
12 B2 3148 3148 9.61      
13 B2 1483 1483 0.81      
14 B2 1079 1079 22.00      
15 B2 670 670 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 12123.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12123.1 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 B2PLYP/daug-cc-pVTZ
ABC
0.74077 0.35629 0.26608

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.870
C2 0.000 0.739 -0.802
C3 0.000 -0.739 -0.802
H4 -0.913 1.250 -1.072
H5 0.913 1.250 -1.072
H6 0.913 -1.250 -1.072
H7 -0.913 -1.250 -1.072

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.82781.82782.48272.48272.48272.4827
C21.82781.47791.07991.07992.20452.2045
C31.82781.47792.20452.20451.07991.0799
H42.48271.07992.20451.82523.09462.4990
H52.48271.07992.20451.82522.49903.0946
H62.48272.20451.07993.09462.49901.8252
H72.48272.20451.07992.49903.09461.8252

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.154 S1 C2 H4 114.809
S1 C2 H5 114.809 S1 C3 C2 66.154
S1 C3 H6 114.809 S1 C3 H7 114.809
C2 S1 C3 47.692 C2 C3 H6 118.214
C2 C3 H7 118.214 C3 C2 H4 118.214
C3 C2 H5 118.214 H4 C2 H5 115.354
H6 C3 H7 115.354
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.200      
2 C -0.749      
3 C -0.749      
4 H 0.424      
5 H 0.424      
6 H 0.424      
7 H 0.424      


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 -1.964 1.964
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.514 0.000 0.000
y 0.000 -24.759 0.000
z 0.000 0.000 -26.615
Traceless
 xyz
x -0.827 0.000 0.000
y 0.000 1.806 0.000
z 0.000 0.000 -0.979
Polar
3z2-r2-1.957
x2-y2-1.755
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.848 0.000 0.000
y 0.000 6.355 0.000
z 0.000 0.000 7.868


<r2> (average value of r2) Å2
<r2> 56.763
(<r2>)1/2 7.534