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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-476.431217
Energy at 298.15K-476.435023
HF Energy-476.346953
Nuclear repulsion energy91.084353
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 B2PLYP/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3182 3182 17.22      
2 A' 3158 3158 10.07      
3 A' 3045 3045 5.00      
4 A' 1537 1537 7.30      
5 A' 1464 1464 14.54      
6 A' 1420 1420 46.11      
7 A' 1172 1172 26.19      
8 A' 1115 1115 18.09      
9 A' 818 818 0.07      
10 A' 401 401 1.66      
11 A" 3104 3104 10.26      
12 A" 1533 1533 14.03      
13 A" 1087 1087 2.72      
14 A" 790 790 23.69      
15 A" 161 161 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 11993.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11993.7 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 B2PLYP/6-31G
ABC
1.60343 0.18296 0.16939

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.650 0.000
C2 -1.492 0.768 0.000
S3 0.876 -0.784 0.000
H4 0.551 1.591 0.000
H5 -1.972 -0.212 0.000
H6 -1.825 1.333 0.881
H7 -1.825 1.333 -0.881

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49681.68051.09082.15192.13912.1391
C21.49682.83192.20261.09141.09871.0987
S31.68052.83192.39742.90503.54413.5441
H41.09082.20262.39743.10102.54752.5475
H52.15191.09142.90503.10101.78531.7853
H62.13911.09873.54412.54751.78531.7622
H72.13911.09873.54412.54751.78531.7622

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.533 C1 C2 H6 110.064
C1 C2 H7 110.064 C2 C1 S3 125.973
C2 C1 H4 115.806 S3 C1 H4 118.221
H5 C2 H6 109.210 H5 C2 H7 109.210
H6 C2 H7 106.631
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.319      
2 C -0.437      
3 S 0.047      
4 H 0.182      
5 H 0.180      
6 H 0.173      
7 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.793 2.178 0.000 2.821
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.912 -0.283 0.000
y -0.283 -25.764 0.000
z 0.000 0.000 -26.204
Traceless
 xyz
x -0.928 -0.283 0.000
y -0.283 0.794 0.000
z 0.000 0.000 0.134
Polar
3z2-r20.268
x2-y2-1.149
xy-0.283
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.816 -2.130 0.000
y -2.130 6.593 0.000
z 0.000 0.000 3.208


<r2> (average value of r2) Å2
<r2> 76.523
(<r2>)1/2 8.748