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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: CCD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at CCD/cc-pVTZ
 hartrees
Energy at 0K-476.152972
Energy at 298.15K-476.156811
HF Energy-475.615070
Nuclear repulsion energy93.098248
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 CCD/cc-pVTZ
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' 3174 2964 7.84      
2 A' 3126 2919 15.03      
3 A' 3052 2850 6.30      
4 A' 1507 1407 5.37      
5 A' 1423 1328 40.47      
6 A' 1409 1315 18.98      
7 A' 1202 1122 21.28      
8 A' 1103 1030 2.08      
9 A' 854 798 2.07      
10 A' 398 372 1.81      
11 A" 3113 2907 8.29      
12 A" 1498 1399 8.03      
13 A" 1068 997 5.23      
14 A" 779 727 13.59      
15 A" 174 162 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 11940.0 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 11148.3 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 CCD/cc-pVTZ
ABC
1.63829 0.19206 0.17752

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.621 0.000
C2 -1.493 0.697 0.000
S3 0.879 -0.731 0.000
H4 0.510 1.583 0.000
H5 -1.939 -0.294 0.000
H6 -1.835 1.252 0.877
H7 -1.835 1.252 -0.877

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49541.61261.08852.14412.12952.1295
C21.49542.76912.19001.08641.09231.0923
S31.61262.76912.34322.85183.47383.4738
H41.08852.19002.34323.08502.52502.5250
H52.14411.08642.85183.08501.77991.7799
H62.12951.09233.47382.52501.77991.7535
H72.12951.09233.47382.52501.77991.7535

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.305 C1 C2 H6 109.774
C1 C2 H7 109.774 C2 C1 S3 125.945
C2 C1 H4 114.990 S3 C1 H4 119.066
H5 C2 H6 109.560 H5 C2 H7 109.560
H6 C2 H7 106.761
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability