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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B2PLYP/6-311G**

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/6-311G**
 hartrees
Energy at 0K-476.585924
Energy at 298.15K-476.589727
HF Energy-476.443331
Nuclear repulsion energy92.683746
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/6-311G**
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' 3162 3162 10.02      
2 A' 3099 3099 24.42      
3 A' 3038 3038 4.75      
4 A' 1495 1495 4.16      
5 A' 1404 1404 35.42      
6 A' 1394 1394 42.80      
7 A' 1175 1175 40.15      
8 A' 1094 1094 6.41      
9 A' 836 836 0.61      
10 A' 398 398 1.01      
11 A" 3094 3094 9.07      
12 A" 1486 1486 11.75      
13 A" 1052 1052 5.21      
14 A" 774 774 17.95      
15 A" 163 163 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 11831.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11831.0 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/6-311G**
ABC
1.64083 0.18990 0.17572

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.622 0.000
C2 -1.492 0.717 0.000
S3 0.877 -0.744 0.000
H4 0.521 1.582 0.000
H5 -1.957 -0.268 0.000
H6 -1.825 1.281 0.878
H7 -1.825 1.281 -0.878

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49501.62401.09212.14962.12942.1294
C21.49502.78372.19101.08871.09541.0954
S31.62402.78372.35362.87403.48923.4892
H41.09212.19102.35363.09202.52262.5226
H52.14961.08872.87403.09201.78521.7852
H62.12941.09543.48922.52261.78521.7562
H72.12941.09543.48922.52261.78521.7562

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.643 C1 C2 H6 109.614
C1 C2 H7 109.614 C2 C1 S3 126.332
C2 C1 H4 114.860 S3 C1 H4 118.808
H5 C2 H6 109.636 H5 C2 H7 109.636
H6 C2 H7 106.567
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.256      
2 C -0.250      
3 S -0.049      
4 H 0.152      
5 H 0.144      
6 H 0.130      
7 H 0.130      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.621 -2.133 0.000
y -2.133 6.883 0.000
z 0.000 0.000 3.553


<r2> (average value of r2) Å2
<r2> 74.643
(<r2>)1/2 8.640