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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: LSDA/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 LSDA/6-31G**
 hartrees
Energy at 0K-475.287994
Energy at 298.15K-475.291742
HF Energy-475.287994
Nuclear repulsion energy92.966585
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/6-31G**
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' 3106 3048 3.20      
2 A' 3007 2950 19.38      
3 A' 2963 2908 0.13      
4 A' 1428 1401 13.64      
5 A' 1337 1312 102.64      
6 A' 1317 1293 14.01      
7 A' 1168 1146 25.15      
8 A' 1050 1031 11.80      
9 A' 830 815 1.80      
10 A' 388 381 2.16      
11 A" 3028 2971 0.78      
12 A" 1404 1378 14.78      
13 A" 993 975 1.57      
14 A" 742 728 18.32      
15 A" 170 167 1.01      

Unscaled Zero Point Vibrational Energy (zpe) 11464.9 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 11250.5 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/6-31G**
ABC
1.63707 0.19240 0.17784

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.623 0.000
C2 -1.469 0.721 0.000
S3 0.866 -0.749 0.000
H4 0.532 1.593 0.000
H5 -1.945 -0.270 0.000
H6 -1.811 1.299 0.880
H7 -1.811 1.299 -0.880

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.47261.62241.10632.14042.12422.1242
C21.47262.75942.18291.09991.10701.1070
S31.62242.75942.36592.85123.48373.4837
H41.10632.18292.36593.09962.52002.5200
H52.14041.09992.85123.09961.80461.8046
H62.12421.10703.48372.52001.80461.7601
H72.12421.10703.48372.52001.80461.7601

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.803 C1 C2 H6 110.053
C1 C2 H7 110.053 C2 C1 S3 126.075
C2 C1 H4 114.910 S3 C1 H4 119.015
H5 C2 H6 109.713 H5 C2 H7 109.713
H6 C2 H7 105.303
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.173      
2 C -0.452      
3 S -0.080      
4 H 0.167      
5 H 0.180      
6 H 0.178      
7 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.817 2.011 0.000 2.710
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.972 -0.669 0.000
y -0.669 -24.920 0.000
z 0.000 0.000 -25.686
Traceless
 xyz
x -0.670 -0.669 0.000
y -0.669 0.910 0.000
z 0.000 0.000 -0.240
Polar
3z2-r2-0.481
x2-y2-1.053
xy-0.669
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.511 -2.010 0.000
y -2.010 6.708 0.000
z 0.000 0.000 3.527


<r2> (average value of r2) Å2
<r2> 73.479
(<r2>)1/2 8.572