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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: TPSSh/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/cc-pV(T+d)Z
 hartrees
Energy at 0K-476.861368
Energy at 298.15K-476.865823
HF Energy-476.861368
Nuclear repulsion energy101.286315
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 TPSSh/cc-pV(T+d)Z
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 3118 3118 17.98      
2 A1 1498 1498 4.21      
3 A1 1142 1142 1.28      
4 A1 1043 1043 0.54      
5 A1 643 643 23.89      
6 A2 3196 3196 0.00      
7 A2 1196 1196 0.00      
8 A2 899 899 0.00      
9 B1 3211 3211 7.33      
10 B1 958 958 3.53      
11 B1 826 826 0.36      
12 B2 3117 3117 17.07      
13 B2 1477 1477 0.26      
14 B2 1072 1072 24.27      
15 B2 693 693 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 12044.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12044.6 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 TPSSh/cc-pV(T+d)Z
ABC
0.73659 0.36140 0.26845

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pV(T+d)Z

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.863
C2 0.000 0.741 -0.794
C3 0.000 -0.741 -0.794
H4 -0.914 1.253 -1.069
H5 0.914 1.253 -1.069
H6 0.914 -1.253 -1.069
H7 -0.914 -1.253 -1.069

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.81571.81572.47802.47802.47802.4780
C21.81571.48251.08311.08312.21112.2111
C31.81571.48252.21112.21111.08311.0831
H42.47801.08312.21111.82803.10222.5065
H52.47801.08312.21111.82802.50653.1022
H62.47802.21111.08313.10222.50651.8280
H72.47802.21111.08312.50653.10221.8280

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.906 S1 C2 H4 115.130
S1 C2 H5 115.130 S1 C3 C2 65.906
S1 C3 H6 115.130 S1 C3 H7 115.130
C2 S1 C3 48.189 C2 C3 H6 118.209
C2 C3 H7 118.209 C3 C2 H4 118.209
C3 C2 H5 118.209 H4 C2 H5 115.105
H6 C3 H7 115.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.171      
2 C -0.126      
3 C -0.126      
4 H 0.106      
5 H 0.106      
6 H 0.106      
7 H 0.106      


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 -1.951 1.951
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.654 0.000 0.000
y 0.000 5.693 0.000
z 0.000 0.000 7.088


<r2> (average value of r2) Å2
<r2> 56.214
(<r2>)1/2 7.498