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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-476.549577
Energy at 298.15K-476.553331
HF Energy-476.549577
Nuclear repulsion energy92.525864
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 PBEPBE/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 A' 3071 3050 7.61      
2 A' 2981 2961 28.41      
3 A' 2942 2921 2.51      
4 A' 1425 1416 6.13      
5 A' 1329 1320 26.23      
6 A' 1326 1317 64.37      
7 A' 1139 1131 42.57      
8 A' 1048 1041 7.23      
9 A' 815 809 1.70      
10 A' 383 380 2.12      
11 A" 2989 2968 4.45      
12 A" 1412 1402 9.43      
13 A" 1000 993 2.96      
14 A" 740 734 13.30      
15 A" 172 171 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 11385.8 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 11307.2 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 PBEPBE/cc-pVTZ
ABC
1.63298 0.18974 0.17550

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.624 0.000
C2 -1.486 0.722 0.000
S3 0.875 -0.750 0.000
H4 0.526 1.592 0.000
H5 -1.961 -0.265 0.000
H6 -1.823 1.298 0.879
H7 -1.823 1.298 -0.879

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48901.62851.10112.15302.13322.1332
C21.48902.78172.19121.09561.10371.1037
S31.62852.78172.36722.87663.49913.4991
H41.10112.19122.36723.10322.52492.5249
H52.15301.09562.87663.10321.79861.7986
H62.13321.10373.49912.52491.79861.7580
H72.13321.10373.49912.52491.79861.7580

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.921 C1 C2 H6 109.835
C1 C2 H7 109.835 C2 C1 S3 126.262
C2 C1 H4 114.734 S3 C1 H4 119.004
H5 C2 H6 109.738 H5 C2 H7 109.738
H6 C2 H7 105.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.095      
2 C -0.230      
3 S -0.135      
4 H 0.125      
5 H 0.112      
6 H 0.112      
7 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.659 1.837 0.000 2.475
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.454 -0.654 0.000
y -0.654 -25.345 0.000
z 0.000 0.000 -26.028
Traceless
 xyz
x -0.768 -0.654 0.000
y -0.654 0.897 0.000
z 0.000 0.000 -0.129
Polar
3z2-r2-0.258
x2-y2-1.110
xy-0.654
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.585 -1.997 0.000
y -1.997 7.492 0.000
z 0.000 0.000 4.400


<r2> (average value of r2) Å2
<r2> 74.432
(<r2>)1/2 8.627