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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-87.896712
Energy at 298.15K-87.900592
HF Energy-87.896712
Nuclear repulsion energy54.379536
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 HF/LANL2DZ
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' 3353 3017 41.93      
2 A' 3333 2999 2.30      
3 A' 3192 2872 14.90      
4 A' 1627 1464 9.67      
5 A' 1559 1403 16.49      
6 A' 1518 1366 38.86      
7 A' 1245 1120 38.92      
8 A' 1191 1072 33.40      
9 A' 871 784 3.20      
10 A' 419 377 3.15      
11 A" 3260 2934 28.48      
12 A" 1625 1462 18.13      
13 A" 1160 1043 3.75      
14 A" 848 763 21.12      
15 A" 156 141 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 12677.7 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 11408.7 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 HF/LANL2DZ
ABC
1.63930 0.18580 0.17213

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.492 0.000
C2 -0.962 -0.659 0.000
S3 1.649 0.390 0.000
H4 -0.459 1.467 0.000
H5 -0.451 -1.609 0.000
H6 -1.606 -0.599 0.874
H7 -1.606 -0.599 -0.874

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.50031.65241.07772.14932.12902.1290
C21.50032.81432.18481.07921.08661.0866
S31.65242.81432.36762.89963.51243.5124
H41.07772.18482.36763.07652.51942.5194
H52.14931.07922.89963.07651.76561.7656
H62.12901.08663.51242.51941.76561.7470
H72.12901.08663.51242.51941.76561.7470

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.825 C1 C2 H6 109.731
C1 C2 H7 109.731 C2 C1 S3 126.349
C2 C1 H4 114.890 S3 C1 H4 118.761
H5 C2 H6 109.214 H5 C2 H7 109.214
H6 C2 H7 107.002
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.339      
2 C -0.513      
3 S 0.011      
4 H 0.221      
5 H 0.216      
6 H 0.202      
7 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.315 -0.261 0.000 3.325
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.123 -1.310 0.000
y -1.310 -26.152 0.000
z 0.000 0.000 -25.953
Traceless
 xyz
x -3.070 -1.310 0.000
y -1.310 1.386 0.000
z 0.000 0.000 1.685
Polar
3z2-r23.369
x2-y2-2.971
xy-1.310
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.483 0.082 0.000
y 0.082 3.258 0.000
z 0.000 0.000 2.753


<r2> (average value of r2) Å2
<r2> 56.315
(<r2>)1/2 7.504