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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B3LYP/3-21G

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/3-21G
 hartrees
Energy at 0K-474.398888
Energy at 298.15K-474.402684
HF Energy-474.398888
Nuclear repulsion energy91.513366
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/3-21G
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' 3161 3050 10.13      
2 A' 3127 3017 10.50      
3 A' 3023 2917 1.12      
4 A' 1537 1483 7.38      
5 A' 1447 1396 15.54      
6 A' 1401 1352 53.12      
7 A' 1138 1098 27.62      
8 A' 1105 1066 38.12      
9 A' 814 786 0.25      
10 A' 398 384 2.06      
11 A" 3061 2954 5.46      
12 A" 1532 1478 14.83      
13 A" 1073 1035 1.32      
14 A" 786 759 27.72      
15 A" 160 155 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 11881.3 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 11464.3 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/3-21G
ABC
1.59379 0.18563 0.17155

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.649 0.000
C2 -1.492 0.744 0.000
S3 0.877 -0.771 0.000
H4 0.532 1.600 0.000
H5 -1.955 -0.244 0.000
H6 -1.828 1.311 0.881
H7 -1.828 1.311 -0.881

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49461.66831.09052.14882.13482.1348
C21.49462.81142.19741.09111.10021.1002
S31.66832.81142.39612.88013.52533.5253
H41.09052.19742.39613.09612.53602.5360
H52.14881.09112.88013.09611.79141.7914
H62.13481.10023.52532.53601.79141.7613
H72.13481.10023.52532.53601.79141.7613

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.455 C1 C2 H6 109.784
C1 C2 H7 109.784 C2 C1 S3 125.368
C2 C1 H4 115.544 S3 C1 H4 119.088
H5 C2 H6 109.671 H5 C2 H7 109.671
H6 C2 H7 106.344
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.486      
2 C -0.595      
3 S 0.151      
4 H 0.240      
5 H 0.233      
6 H 0.228      
7 H 0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.847 2.156 0.000 2.839
CHELPG        
AIM        
ESP -1.809 2.220 0.000 2.864


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.501 -0.308 0.000
y -0.308 -25.426 0.000
z 0.000 0.000 -26.140
Traceless
 xyz
x -0.718 -0.308 0.000
y -0.308 0.894 0.000
z 0.000 0.000 -0.176
Polar
3z2-r2-0.353
x2-y2-1.075
xy-0.308
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.655 -2.171 0.000
y -2.171 6.280 0.000
z 0.000 0.000 2.964


<r2> (average value of r2) Å2
<r2> 75.652
(<r2>)1/2 8.698