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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B2PLYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-476.543643
Energy at 298.15K-476.547440
HF Energy-476.406628
Nuclear repulsion energy92.572495
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/6-31+G**
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' 3190 3038 7.88      
2 A' 3127 2978 22.13      
3 A' 3059 2914 5.50      
4 A' 1504 1433 5.88      
5 A' 1417 1350 30.36      
6 A' 1401 1334 45.25      
7 A' 1177 1121 37.14      
8 A' 1097 1045 6.59      
9 A' 837 797 0.51      
10 A' 399 380 1.26      
11 A" 3120 2972 7.41      
12 A" 1496 1424 11.09      
13 A" 1058 1007 6.06      
14 A" 774 737 15.63      
15 A" 162 154 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 11909.0 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 11342.1 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/6-31+G**
ABC
1.63872 0.18940 0.17526

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.624 0.000
C2 -1.492 0.720 0.000
S3 0.877 -0.747 0.000
H4 0.522 1.583 0.000
H5 -1.958 -0.264 0.000
H6 -1.825 1.284 0.878
H7 -1.825 1.284 -0.878

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49521.62771.09212.14982.13022.1302
C21.49522.78722.19101.08891.09531.0953
S31.62772.78722.35742.87633.49293.4929
H41.09212.19102.35743.09212.52362.5236
H52.14981.08892.87633.09211.78461.7846
H62.13021.09533.49292.52361.78461.7563
H72.13021.09533.49292.52361.78461.7563

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.628 C1 C2 H6 109.664
C1 C2 H7 109.664 C2 C1 S3 126.322
C2 C1 H4 114.842 S3 C1 H4 118.836
H5 C2 H6 109.580 H5 C2 H7 109.580
H6 C2 H7 106.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.016      
2 C -0.470      
3 S -0.198      
4 H 0.174      
5 H 0.178      
6 H 0.166      
7 H 0.166      


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 7.179 -1.838 0.000
y -1.838 7.489 0.000
z 0.000 0.000 4.353


<r2> (average value of r2) Å2
<r2> 74.740
(<r2>)1/2 8.645