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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B2PLYP/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-476.557883
Energy at 298.15K-476.561688
HF Energy-476.420074
Nuclear repulsion energy92.294102
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/cc-pVDZ
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' 3177 3043 6.88      
2 A' 3096 2965 25.97      
3 A' 3043 2914 5.63      
4 A' 1469 1406 5.17      
5 A' 1384 1326 42.96      
6 A' 1372 1314 28.75      
7 A' 1173 1124 28.69      
8 A' 1080 1034 5.71      
9 A' 837 802 1.19      
10 A' 395 378 2.02      
11 A" 3108 2977 7.32      
12 A" 1460 1399 9.12      
13 A" 1039 995 2.47      
14 A" 767 734 11.96      
15 A" 173 166 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 11786.6 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 11288.0 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/cc-pVDZ
ABC
1.61716 0.18888 0.17464

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.627 0.000
C2 -1.495 0.717 0.000
S3 0.880 -0.747 0.000
H4 0.521 1.599 0.000
H5 -1.959 -0.277 0.000
H6 -1.833 1.286 0.884
H7 -1.833 1.286 -0.884

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49751.63161.10262.15772.13902.1390
C21.49752.78982.19981.09761.10401.1040
S31.63162.78982.37322.87773.50343.5034
H41.10262.19982.37323.10962.53362.5336
H52.15771.09762.87773.10961.80001.8000
H62.13901.10403.50342.53361.80001.7676
H72.13901.10403.50342.53361.80001.7676

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.578 C1 C2 H6 109.692
C1 C2 H7 109.692 C2 C1 S3 126.093
C2 C1 H4 114.722 S3 C1 H4 119.185
H5 C2 H6 109.692 H5 C2 H7 109.692
H6 C2 H7 106.357
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.111      
2 C -0.008      
3 S -0.096      
4 H 0.056      
5 H 0.049      
6 H 0.055      
7 H 0.055      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.523 1.756 0.000 2.324
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.522 -0.591 0.000
y -0.591 -25.198 0.000
z 0.000 0.000 -25.852
Traceless
 xyz
x -0.997 -0.591 0.000
y -0.591 0.989 0.000
z 0.000 0.000 0.008
Polar
3z2-r20.017
x2-y2-1.324
xy-0.591
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.294 -1.953 0.000
y -1.953 6.604 0.000
z 0.000 0.000 3.462


<r2> (average value of r2) Å2
<r2> 74.649
(<r2>)1/2 8.640