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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B3LYP/aug-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 B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-476.817615
Energy at 298.15K-476.821411
HF Energy-476.817615
Nuclear repulsion energy92.339105
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/aug-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' 3143 3050 7.40      
2 A' 3078 2987 22.20      
3 A' 3009 2920 4.11      
4 A' 1452 1409 7.67      
5 A' 1366 1326 76.82      
6 A' 1360 1320 5.76      
7 A' 1162 1127 43.64      
8 A' 1072 1041 8.42      
9 A' 831 807 0.77      
10 A' 395 383 2.09      
11 A" 3059 2969 6.05      
12 A" 1437 1395 8.84      
13 A" 1029 998 4.92      
14 A" 758 736 13.11      
15 A" 171 166 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 11661.3 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 11316.2 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/aug-cc-pVDZ
ABC
1.63206 0.18865 0.17458

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.624 0.000
C2 -1.490 0.727 0.000
S3 0.876 -0.753 0.000
H4 0.531 1.588 0.000
H5 -1.967 -0.259 0.000
H6 -1.822 1.302 0.881
H7 -1.822 1.302 -0.881

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49391.63201.10012.15632.13432.1343
C21.49392.79112.19681.09541.10321.1032
S31.63202.79112.36562.88593.50413.5041
H41.10012.19682.36563.10662.52852.5285
H52.15631.09542.88593.10661.79871.7987
H62.13431.10323.50412.52851.79871.7621
H72.13431.10323.50412.52851.79871.7621

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.848 C1 C2 H6 109.616
C1 C2 H7 109.616 C2 C1 S3 126.427
C2 C1 H4 114.908 S3 C1 H4 118.665
H5 C2 H6 109.794 H5 C2 H7 109.794
H6 C2 H7 106.003
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.427      
2 C 0.765      
3 S -0.085      
4 H -0.527      
5 H -0.250      
6 H -0.165      
7 H -0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.728 1.950 0.000 2.605
CHELPG 0.000 0.000 0.000 0.000
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.000 -0.612 0.000
y -0.612 -25.708 0.000
z 0.000 0.000 -26.384
Traceless
 xyz
x -0.954 -0.612 0.000
y -0.612 0.983 0.000
z 0.000 0.000 -0.030
Polar
3z2-r2-0.059
x2-y2-1.291
xy-0.612
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.364 -1.720 0.000
y -1.720 8.159 0.000
z 0.000 0.000 5.387


<r2> (average value of r2) Å2
<r2> 74.972
(<r2>)1/2 8.659