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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B1B95/aug-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 B1B95/aug-cc-pVTZ
 hartrees
Energy at 0K-476.831601
Energy at 298.15K-476.835412
HF Energy-476.831601
Nuclear repulsion energy93.428548
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 B1B95/aug-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' 3167 3036 6.18      
2 A' 3094 2966 20.36      
3 A' 3037 2911 2.88      
4 A' 1479 1417 7.61      
5 A' 1384 1326 74.32      
6 A' 1378 1321 15.62      
7 A' 1181 1132 40.19      
8 A' 1085 1040 7.23      
9 A' 844 809 1.27      
10 A' 390 374 2.18      
11 A" 3091 2962 4.28      
12 A" 1466 1405 9.17      
13 A" 1044 1000 4.59      
14 A" 768 736 13.18      
15 A" 173 166 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 11789.8 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 11300.6 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 B1B95/aug-cc-pVTZ
ABC
1.65601 0.19356 0.17895

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.618 0.000
C2 -1.479 0.706 0.000
S3 0.870 -0.736 0.000
H4 0.517 1.577 0.000
H5 -1.938 -0.277 0.000
H6 -1.814 1.270 0.873
H7 -1.814 1.270 -0.873

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48121.61011.08892.13462.11592.1159
C21.48122.75602.17751.08451.09191.0919
S31.61012.75602.33992.84513.46283.4628
H41.08892.17752.33993.07602.50802.5080
H52.13461.08452.84513.07601.78021.7802
H62.11591.09193.46282.50801.78021.7452
H72.11591.09193.46282.50801.78021.7452

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.670 C1 C2 H6 109.707
C1 C2 H7 109.707 C2 C1 S3 126.082
C2 C1 H4 114.974 S3 C1 H4 118.945
H5 C2 H6 109.754 H5 C2 H7 109.754
H6 C2 H7 106.093
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.333      
2 C -0.793      
3 S -0.218      
4 H 0.372      
5 H 0.332      
6 H 0.320      
7 H 0.320      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.694 1.879 0.000 2.530
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.500 -0.636 0.000
y -0.636 -25.242 0.000
z 0.000 0.000 -26.023
Traceless
 xyz
x -0.868 -0.636 0.000
y -0.636 1.020 0.000
z 0.000 0.000 -0.152
Polar
3z2-r2-0.304
x2-y2-1.259
xy-0.636
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.219 -1.593 0.000
y -1.593 7.907 0.000
z 0.000 0.000 5.378


<r2> (average value of r2) Å2
<r2> 73.291
(<r2>)1/2 8.561