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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: PBEPBE/daug-cc-pVDZ

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/daug-cc-pVDZ
 hartrees
Energy at 0K-476.517745
Energy at 298.15K-476.521484
HF Energy-476.517745
Nuclear repulsion energy92.023643
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/daug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3084 3084 6.56      
2 A' 2996 2996 27.44      
3 A' 2943 2943 3.42      
4 A' 1404 1404 9.67      
5 A' 1315 1315 80.38      
6 A' 1302 1302 14.81      
7 A' 1141 1141 38.43      
8 A' 1037 1037 8.10      
9 A' 814 814 1.31      
10 A' 384 384 2.02      
11 A" 3002 3002 3.84      
12 A" 1385 1385 9.47      
13 A" 985 985 4.57      
14 A" 733 733 13.25      
15 A" 167 167 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 11345.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11345.1 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/daug-cc-pVDZ
ABC
1.61608 0.18779 0.17370

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.628 0.000
C2 -1.489 0.732 0.000
S3 0.876 -0.758 0.000
H4 0.537 1.598 0.000
H5 -1.972 -0.259 0.000
H6 -1.823 1.315 0.884
H7 -1.823 1.315 -0.884

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49281.64001.10842.16222.13912.1391
C21.49282.79552.20351.10221.11031.1103
S31.64002.79552.38032.89123.51623.5162
H41.10842.20352.38033.12132.53582.5358
H52.16221.10222.89123.12131.81161.8116
H62.13911.11033.51622.53581.81161.7679
H72.13911.11033.51622.53581.81161.7679

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.980 C1 C2 H6 109.644
C1 C2 H7 109.644 C2 C1 S3 126.269
C2 C1 H4 115.000 S3 C1 H4 118.731
H5 C2 H6 109.926 H5 C2 H7 109.926
H6 C2 H7 105.518
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.085      
2 C 0.509      
3 S -0.329      
4 H -0.769      
5 H -0.254      
6 H -0.121      
7 H -0.121      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.726 1.914 0.000 2.577
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.835 -0.713 0.000
y -0.713 -25.678 0.000
z 0.000 0.000 -26.358
Traceless
 xyz
x -0.817 -0.713 0.000
y -0.713 0.919 0.000
z 0.000 0.000 -0.102
Polar
3z2-r2-0.204
x2-y2-1.157
xy-0.713
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.902 -1.698 0.000
y -1.698 8.494 0.000
z 0.000 0.000 5.697


<r2> (average value of r2) Å2
<r2> 75.250
(<r2>)1/2 8.675