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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-476.486237
Energy at 298.15K-476.489978
HF Energy-476.486237
Nuclear repulsion energy92.107030
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 PBEPBEultrafine/6-31G*
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' 3101 3050 7.56      
2 A' 3007 2957 28.16      
3 A' 2961 2912 2.50      
4 A' 1458 1434 4.03      
5 A' 1360 1338 44.33      
6 A' 1352 1329 50.35      
7 A' 1149 1130 40.77      
8 A' 1061 1044 9.20      
9 A' 820 806 1.01      
10 A' 387 381 1.84      
11 A" 3014 2964 5.29      
12 A" 1446 1423 11.62      
13 A" 1012 996 1.65      
14 A" 745 733 16.74      
15 A" 167 164 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 11520.3 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 11330.2 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 PBEPBEultrafine/6-31G*
ABC
1.62423 0.18780 0.17380

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.625 0.000
C2 -1.492 0.729 0.000
S3 0.878 -0.755 0.000
H4 0.526 1.598 0.000
H5 -1.973 -0.260 0.000
H6 -1.828 1.307 0.883
H7 -1.828 1.307 -0.883

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49521.63601.10552.16292.14182.1418
C21.49522.79602.19691.09981.10791.1079
S31.63602.79602.37872.89443.51513.5151
H41.10552.19692.37873.11422.53162.5316
H52.16291.09982.89443.11421.80421.8042
H62.14181.10793.51512.53161.80421.7665
H72.14181.10793.51512.53161.80421.7665

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 112.014 C1 C2 H6 109.837
C1 C2 H7 109.837 C2 C1 S3 126.437
C2 C1 H4 114.459 S3 C1 H4 119.104
H5 C2 H6 109.612 H5 C2 H7 109.612
H6 C2 H7 105.734
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.196      
2 C -0.509      
3 S -0.072      
4 H 0.189      
5 H 0.201      
6 H 0.193      
7 H 0.193      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.782 1.985 0.000 2.668
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.111 -0.622 0.000
y -0.622 -24.977 0.000
z 0.000 0.000 -25.714
Traceless
 xyz
x -0.766 -0.622 0.000
y -0.622 0.935 0.000
z 0.000 0.000 -0.169
Polar
3z2-r2-0.339
x2-y2-1.134
xy-0.622
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.469 -2.042 0.000
y -2.042 6.672 0.000
z 0.000 0.000 3.484


<r2> (average value of r2) Å2
<r2> 74.785
(<r2>)1/2 8.648