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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-476.722069
Energy at 298.15K-476.725800
HF Energy-476.722069
Nuclear repulsion energy91.698360
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 BLYP/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' 3077 3052 11.38      
2 A' 2991 2967 32.29      
3 A' 2943 2919 4.82      
4 A' 1467 1455 2.84      
5 A' 1373 1362 8.05      
6 A' 1356 1345 71.10      
7 A' 1124 1115 44.03      
8 A' 1063 1054 8.78      
9 A' 805 799 0.68      
10 A' 385 382 1.85      
11 A" 2983 2959 10.20      
12 A" 1460 1448 9.13      
13 A" 1021 1013 1.63      
14 A" 747 741 14.08      
15 A" 164 163 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 11480.0 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 11387.0 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 BLYP/6-31G*
ABC
1.61951 0.18562 0.17188

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.623 0.000
C2 -1.505 0.732 0.000
S3 0.886 -0.755 0.000
H4 0.518 1.598 0.000
H5 -1.987 -0.256 0.000
H6 -1.840 1.306 0.884
H7 -1.840 1.306 -0.884

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.50891.63831.10392.17262.15282.1528
C21.50892.81572.20021.09891.10641.1064
S31.63832.81572.38182.91623.53013.5301
H41.10392.20022.38183.11602.53502.5350
H52.17261.09892.91623.11601.80071.8007
H62.15281.10643.53012.53501.80071.7689
H72.15281.10643.53012.53501.80071.7689

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.877 C1 C2 H6 109.846
C1 C2 H7 109.846 C2 C1 S3 126.881
C2 C1 H4 113.823 S3 C1 H4 119.296
H5 C2 H6 109.480 H5 C2 H7 109.480
H6 C2 H7 106.148
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.147      
2 C -0.425      
3 S -0.090      
4 H 0.161      
5 H 0.173      
6 H 0.164      
7 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.741 1.964 0.000 2.624
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.285 -0.583 0.000
y -0.583 -25.147 0.000
z 0.000 0.000 -25.753
Traceless
 xyz
x -0.835 -0.583 0.000
y -0.583 0.872 0.000
z 0.000 0.000 -0.037
Polar
3z2-r2-0.074
x2-y2-1.139
xy-0.583
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.457 -2.048 0.000
y -2.048 6.680 0.000
z 0.000 0.000 3.484


<r2> (average value of r2) Å2
<r2> 75.476
(<r2>)1/2 8.688