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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: BLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-476.790286
Energy at 298.15K-476.794039
HF Energy-476.790286
Nuclear repulsion energy92.178095
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/cc-pVTZ
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 3045 10.92      
2 A' 2977 2968 30.84      
3 A' 2930 2921 4.60      
4 A' 1441 1437 4.82      
5 A' 1352 1348 5.22      
6 A' 1336 1332 69.01      
7 A' 1116 1113 50.19      
8 A' 1054 1051 6.72      
9 A' 802 800 1.20      
10 A' 384 383 1.98      
11 A" 2964 2955 8.13      
12 A" 1433 1428 7.97      
13 A" 1013 1010 3.10      
14 A" 745 743 12.51      
15 A" 169 169 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 11385.7 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 11351.5 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 BLYP/cc-pVTZ
ABC
1.63450 0.18762 0.17370

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.625 0.000
C2 -1.494 0.729 0.000
S3 0.879 -0.754 0.000
H4 0.524 1.589 0.000
H5 -1.974 -0.253 0.000
H6 -1.828 1.304 0.878
H7 -1.828 1.304 -0.878

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49751.63541.09772.16072.13922.1392
C21.49752.79862.19371.09321.10191.1019
S31.63542.79862.37012.89743.51283.5128
H41.09772.19372.37013.10422.52732.5273
H52.16071.09322.89743.10421.79371.7937
H62.13921.10193.51282.52731.79371.7569
H72.13921.10193.51282.52731.79371.7569

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 112.080 C1 C2 H6 109.824
C1 C2 H7 109.824 C2 C1 S3 126.523
C2 C1 H4 114.527 S3 C1 H4 118.951
H5 C2 H6 109.594 H5 C2 H7 109.594
H6 C2 H7 105.726
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.101      
2 C -0.219      
3 S -0.120      
4 H 0.127      
5 H 0.107      
6 H 0.103      
7 H 0.103      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.613 1.812 0.000 2.426
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.746 -0.617 0.000
y -0.617 -25.627 0.000
z 0.000 0.000 -26.197
Traceless
 xyz
x -0.834 -0.617 0.000
y -0.617 0.844 0.000
z 0.000 0.000 -0.010
Polar
3z2-r2-0.021
x2-y2-1.118
xy-0.617
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.592 -2.025 0.000
y -2.025 7.529 0.000
z 0.000 0.000 4.398


<r2> (average value of r2) Å2
<r2> 75.143
(<r2>)1/2 8.668