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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: LSDA/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at LSDA/6-31G
 hartrees
Energy at 0K-475.237405
Energy at 298.15K-475.241181
Nuclear repulsion energy91.754756
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 LSDA/6-31G
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' 3111 3048 6.19      
2 A' 3049 2987 15.77      
3 A' 2958 2898 0.24      
4 A' 1455 1425 8.55      
5 A' 1374 1346 47.55      
6 A' 1356 1328 72.78      
7 A' 1188 1163 34.24      
8 A' 1069 1047 21.67      
9 A' 825 808 0.24      
10 A' 397 388 2.16      
11 A" 3023 2962 1.62      
12 A" 1441 1411 21.90      
13 A" 1025 1004 1.26      
14 A" 766 751 29.15      
15 A" 166 163 1.23      

Unscaled Zero Point Vibrational Energy (zpe) 11600.0 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 11364.5 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 LSDA/6-31G
ABC
1.60911 0.18710 0.17301

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.645 0.000
C2 -1.467 0.762 0.000
S3 0.863 -0.781 0.000
H4 0.559 1.597 0.000
H5 -1.955 -0.224 0.000
H6 -1.807 1.341 0.883
H7 -1.807 1.341 -0.883

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.47121.66731.10392.14002.12842.1284
C21.47122.79462.19111.10101.10931.1093
S31.66732.79462.39752.87313.52363.5236
H41.10392.19112.39753.10492.53882.5388
H52.14001.10102.87313.10491.80331.8033
H62.12841.10933.52362.53881.80331.7655
H72.12841.10933.52362.53881.80331.7655

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.799 C1 C2 H6 110.346
C1 C2 H7 110.346 C2 C1 S3 125.739
C2 C1 H4 115.884 S3 C1 H4 118.377
H5 C2 H6 109.349 H5 C2 H7 109.349
H6 C2 H7 105.450
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.356      
2 C -0.525      
3 S 0.047      
4 H 0.205      
5 H 0.210      
6 H 0.209      
7 H 0.209      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.974 2.293 0.000 3.025
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.200 -0.465 0.000
y -0.465 -25.265 0.000
z 0.000 0.000 -25.887
Traceless
 xyz
x -0.624 -0.465 0.000
y -0.465 0.779 0.000
z 0.000 0.000 -0.155
Polar
3z2-r2-0.310
x2-y2-0.935
xy-0.465
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.193 -2.184 0.000
y -2.184 6.739 0.000
z 0.000 0.000 3.285


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000