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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-23.793349
Energy at 298.15K-23.797111
HF Energy-23.793349
Nuclear repulsion energy34.834004
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 B3LYP/CEP-121G
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' 3122 3042 20.52      
2 A' 3063 2985 25.33      
3 A' 2969 2893 9.45      
4 A' 1497 1459 8.41      
5 A' 1416 1379 22.51      
6 A' 1372 1337 50.18      
7 A' 1147 1118 35.43      
8 A' 1079 1052 18.80      
9 A' 802 781 0.08      
10 A' 384 374 1.71      
11 A" 3033 2955 19.06      
12 A" 1492 1454 17.07      
13 A" 1047 1021 4.47      
14 A" 767 748 23.59      
15 A" 153 149 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 11670.8 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 11373.2 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 B3LYP/CEP-121G
ABC
1.58772 0.18039 0.16703

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.493 0.000
C2 -1.213 -0.408 0.000
S3 1.612 -0.010 0.000
H4 -0.212 1.569 0.000
H5 -0.932 -1.464 0.000
H6 -1.838 -0.194 0.883
H7 -1.838 -0.194 -0.883

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.51151.68881.09672.16832.15142.1514
C21.51152.85342.21631.09301.10201.1020
S31.68882.85342.41302.93093.56563.5656
H41.09672.21632.41303.11792.55552.5555
H52.16831.09302.93093.11791.79211.7921
H62.15141.10203.56562.55551.79211.7653
H72.15141.10203.56562.55551.79211.7653

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.709 C1 C2 H6 109.817
C1 C2 H7 109.817 C2 C1 S3 126.060
C2 C1 H4 115.444 S3 C1 H4 118.497
H5 C2 H6 109.458 H5 C2 H7 109.458
H6 C2 H7 106.441
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.272      
2 C -0.435      
3 S -0.008      
4 H 0.184      
5 H 0.178      
6 H 0.177      
7 H 0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.889 0.423 0.000 2.920
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.645 -0.513 0.000
y -0.513 -25.794 0.000
z 0.000 0.000 -25.594
Traceless
 xyz
x -1.951 -0.513 0.000
y -0.513 0.825 0.000
z 0.000 0.000 1.125
Polar
3z2-r22.251
x2-y2-1.851
xy-0.513
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.282 -0.710 0.000
y -0.710 4.806 0.000
z 0.000 0.000 3.655


<r2> (average value of r2) Å2
<r2> 53.485
(<r2>)1/2 7.313