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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: BLYP/TZVP

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/TZVP
 hartrees
Energy at 0K-476.776963
Energy at 298.15K-476.780702
HF Energy-476.776963
Nuclear repulsion energy91.934070
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/TZVP
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' 3056 3049 11.86      
2 A' 2982 2974 29.99      
3 A' 2933 2926 4.74      
4 A' 1443 1439 5.50      
5 A' 1353 1350 6.75      
6 A' 1339 1335 67.74      
7 A' 1112 1109 51.34      
8 A' 1054 1052 7.56      
9 A' 800 798 1.02      
10 A' 385 384 1.69      
11 A" 2970 2963 8.42      
12 A" 1435 1432 10.70      
13 A" 1013 1010 4.34      
14 A" 747 745 14.11      
15 A" 162 161 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 11391.7 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 11363.2 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/TZVP
ABC
1.62680 0.18661 0.17277

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.628 0.000
C2 -1.496 0.734 0.000
S3 0.880 -0.758 0.000
H4 0.527 1.592 0.000
H5 -1.977 -0.249 0.000
H6 -1.830 1.309 0.880
H7 -1.830 1.309 -0.880

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49951.64211.09932.16282.14182.1418
C21.49952.80602.19751.09501.10311.1031
S31.64212.80602.37712.90243.52053.5205
H41.09932.19752.37713.10862.53222.5322
H52.16281.09502.90243.10861.79561.7956
H62.14181.10313.52052.53221.79561.7607
H72.14181.10313.52052.53221.79561.7607

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 112.003 C1 C2 H6 109.829
C1 C2 H7 109.829 C2 C1 S3 126.490
C2 C1 H4 114.595 S3 C1 H4 118.915
H5 C2 H6 109.551 H5 C2 H7 109.551
H6 C2 H7 105.894
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.194      
2 C -0.290      
3 S -0.067      
4 H 0.154      
5 H 0.132      
6 H 0.133      
7 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.647 1.823 0.000 2.456
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.942 -0.604 0.000
y -0.604 -25.691 0.000
z 0.000 0.000 -26.285
Traceless
 xyz
x -0.954 -0.604 0.000
y -0.604 0.923 0.000
z 0.000 0.000 0.032
Polar
3z2-r20.063
x2-y2-1.251
xy-0.604
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.307 -2.175 0.000
y -2.175 7.598 0.000
z 0.000 0.000 4.241


<r2> (average value of r2) Å2
<r2> 75.514
(<r2>)1/2 8.690