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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: LSDA/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 LSDA/cc-pVTZ
 hartrees
Energy at 0K-475.350776
Energy at 298.15K-475.354546
HF Energy-475.350776
Nuclear repulsion energy93.424372
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 LSDA/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' 3073 3039 3.20      
2 A' 2980 2947 20.54      
3 A' 2941 2909 0.22      
4 A' 1410 1394 15.59      
5 A' 1319 1304 95.00      
6 A' 1306 1292 19.65      
7 A' 1162 1149 25.60      
8 A' 1047 1036 10.46      
9 A' 830 821 2.35      
10 A' 387 383 2.24      
11 A" 2998 2965 0.39      
12 A" 1380 1365 12.58      
13 A" 989 978 2.88      
14 A" 738 730 15.75      
15 A" 179 177 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 11368.4 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 11244.5 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 LSDA/cc-pVTZ
ABC
1.64357 0.19470 0.17983

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.621 0.000
C2 -1.463 0.712 0.000
S3 0.862 -0.743 0.000
H4 0.530 1.589 0.000
H5 -1.931 -0.280 0.000
H6 -1.807 1.288 0.877
H7 -1.807 1.288 -0.877

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.46591.61361.10302.13112.11652.1165
C21.46592.74282.17731.09701.10421.1042
S31.61362.74282.35492.83123.46673.4667
H41.10302.17732.35493.09022.51422.5142
H52.13111.09702.83123.09021.80111.8011
H62.11651.10423.46672.51421.80111.7539
H72.11651.10423.46672.51421.80111.7539

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.700 C1 C2 H6 110.072
C1 C2 H7 110.072 C2 C1 S3 125.843
C2 C1 H4 115.166 S3 C1 H4 118.991
H5 C2 H6 109.817 H5 C2 H7 109.817
H6 C2 H7 105.160
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.153      
2 C -0.274      
3 S -0.116      
4 H 0.156      
5 H 0.124      
6 H 0.131      
7 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.702 1.861 0.000 2.522
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.382 -0.710 0.000
y -0.710 -25.305 0.000
z 0.000 0.000 -26.069
Traceless
 xyz
x -0.695 -0.710 0.000
y -0.710 0.921 0.000
z 0.000 0.000 -0.226
Polar
3z2-r2-0.451
x2-y2-1.077
xy-0.710
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.574 -1.973 0.000
y -1.973 7.505 0.000
z 0.000 0.000 4.387


<r2> (average value of r2) Å2
<r2> 73.108
(<r2>)1/2 8.550