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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: BLYP/6-311G**

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/6-311G**
 hartrees
Energy at 0K-476.777103
Energy at 298.15K-476.780842
HF Energy-476.777103
Nuclear repulsion energy91.916418
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/6-311G**
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' 3054 3042 13.14      
2 A' 2980 2968 32.35      
3 A' 2929 2918 4.33      
4 A' 1442 1436 3.65      
5 A' 1349 1344 6.80      
6 A' 1339 1334 78.03      
7 A' 1116 1112 56.43      
8 A' 1054 1050 8.83      
9 A' 801 797 0.64      
10 A' 386 385 1.23      
11 A" 2966 2955 9.74      
12 A" 1433 1427 11.59      
13 A" 1010 1006 4.04      
14 A" 746 743 18.73      
15 A" 161 161 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 11382.7 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 11338.3 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/6-311G**
ABC
1.62809 0.18644 0.17265

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.626 0.000
C2 -1.497 0.734 0.000
S3 0.881 -0.758 0.000
H4 0.530 1.590 0.000
H5 -1.982 -0.249 0.000
H6 -1.830 1.311 0.881
H7 -1.830 1.311 -0.881

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.50121.64061.10032.16612.14332.1433
C21.50122.80762.20071.09581.10431.1043
S31.64062.80762.37432.90743.52203.5220
H41.10032.20072.37433.11292.53442.5344
H52.16611.09582.90743.11291.79781.7978
H62.14331.10433.52202.53441.79781.7622
H72.14331.10433.52202.53441.79781.7622

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 112.093 C1 C2 H6 109.750
C1 C2 H7 109.750 C2 C1 S3 126.608
C2 C1 H4 114.665 S3 C1 H4 118.726
H5 C2 H6 109.599 H5 C2 H7 109.599
H6 C2 H7 105.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.263      
2 C -0.251      
3 S -0.033      
4 H 0.146      
5 H 0.140      
6 H 0.130      
7 H 0.130      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.738 1.906 0.000 2.579
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.142 -0.690 0.000
y -0.690 -25.958 0.000
z 0.000 0.000 -26.524
Traceless
 xyz
x -0.901 -0.690 0.000
y -0.690 0.875 0.000
z 0.000 0.000 0.026
Polar
3z2-r20.052
x2-y2-1.184
xy-0.690
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.111 -2.295 0.000
y -2.295 7.214 0.000
z 0.000 0.000 3.665


<r2> (average value of r2) Å2
<r2> 75.709
(<r2>)1/2 8.701