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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-475.612344
Energy at 298.15K-475.616281
HF Energy-475.612344
Nuclear repulsion energy93.635202
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 HF/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3278 2971 15.26      
2 A' 3247 2943 13.96      
3 A' 3154 2858 10.11      
4 A' 1600 1450 6.86      
5 A' 1522 1380 19.86      
6 A' 1501 1360 59.65      
7 A' 1241 1125 57.02      
8 A' 1171 1062 12.09      
9 A' 889 805 0.62      
10 A' 421 381 3.33      
11 A" 3200 2901 14.56      
12 A" 1593 1444 8.54      
13 A" 1157 1049 6.29      
14 A" 844 765 10.78      
15 A" 186 169 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 12501.6 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 11331.4 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 HF/Def2TZVPP
ABC
1.67351 0.19347 0.17908

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.611 0.000
C2 -1.490 0.694 0.000
S3 0.876 -0.726 0.000
H4 0.504 1.566 0.000
H5 -1.943 -0.285 0.000
H6 -1.819 1.250 0.873
H7 -1.819 1.250 -0.873

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49231.59771.07992.13982.11632.1163
C21.49232.75922.17611.07871.08571.0857
S31.59772.75922.32112.85383.45353.4535
H41.07992.17612.32113.06822.50142.5014
H52.13981.07872.85383.06821.76981.7698
H62.11631.08573.45352.50141.76981.7453
H72.11631.08573.45352.50141.76981.7453

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.656 C1 C2 H6 109.339
C1 C2 H7 109.339 C2 C1 S3 126.460
C2 C1 H4 114.614 S3 C1 H4 118.925
H5 C2 H6 109.705 H5 C2 H7 109.705
H6 C2 H7 106.980
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.019      
2 C -0.110      
3 S -0.164      
4 H 0.077      
5 H 0.082      
6 H 0.067      
7 H 0.067      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.819 2.098 0.000 2.777
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.965 -0.470 0.000
y -0.470 -25.381 0.000
z 0.000 0.000 -26.341
Traceless
 xyz
x -1.104 -0.470 0.000
y -0.470 1.272 0.000
z 0.000 0.000 -0.168
Polar
3z2-r2-0.335
x2-y2-1.584
xy-0.470
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.904 -1.879 0.000
y -1.879 7.203 0.000
z 0.000 0.000 4.517


<r2> (average value of r2) Å2
<r2> 73.415
(<r2>)1/2 8.568