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All results from a given calculation for CH3CHS (Thioacetaldehyde)

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

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-pV(T+d)Z
 hartrees
Energy at 0K-476.551432
Energy at 298.15K-476.555185
HF Energy-476.551432
Nuclear repulsion energy92.640046
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-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 A' 3072 3049 7.65      
2 A' 2981 2959 28.95      
3 A' 2943 2921 2.59      
4 A' 1425 1415 6.09      
5 A' 1329 1319 26.85      
6 A' 1326 1316 63.81      
7 A' 1140 1131 42.90      
8 A' 1048 1040 6.80      
9 A' 815 809 1.69      
10 A' 383 380 2.07      
11 A" 2990 2968 4.55      
12 A" 1412 1401 9.38      
13 A" 1000 993 3.01      
14 A" 739 734 13.30      
15 A" 171 170 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 11387.0 cm-1
Scaled (by 0.9926) Zero Point Vibrational Energy (zpe) 11302.7 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-pV(T+d)Z
ABC
1.63487 0.19024 0.17595

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.622 0.000
C2 -1.487 0.717 0.000
S3 0.875 -0.746 0.000
H4 0.523 1.591 0.000
H5 -1.959 -0.272 0.000
H6 -1.825 1.292 0.879
H7 -1.825 1.292 -0.879

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48971.62411.10112.15292.13392.1339
C21.48972.77842.19121.09551.10361.1036
S31.62412.77842.36352.87363.49573.4957
H41.10112.19122.36353.10272.52512.5251
H52.15291.09552.87363.10271.79841.7984
H62.13391.10363.49572.52511.79841.7579
H72.13391.10363.49572.52511.79841.7579

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.875 C1 C2 H6 109.855
C1 C2 H7 109.855 C2 C1 S3 126.274
C2 C1 H4 114.686 S3 C1 H4 119.041
H5 C2 H6 109.737 H5 C2 H7 109.737
H6 C2 H7 105.591
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.101      
2 C -0.231      
3 S -0.126      
4 H 0.123      
5 H 0.112      
6 H 0.111      
7 H 0.111      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.640 1.808 0.000 2.441
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.440 -0.676 0.000
y -0.676 -25.327 0.000
z 0.000 0.000 -26.018
Traceless
 xyz
x -0.768 -0.676 0.000
y -0.676 0.902 0.000
z 0.000 0.000 -0.134
Polar
3z2-r2-0.268
x2-y2-1.113
xy-0.676
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.591 -1.989 0.000
y -1.989 7.478 0.000
z 0.000 0.000 4.397


<r2> (average value of r2) Å2
<r2> 74.289
(<r2>)1/2 8.619