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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: CID/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 CID/cc-pVDZ
 hartrees
Energy at 0K-475.965391
Energy at 298.15K-475.969258
HF Energy-475.576775
Nuclear repulsion energy92.703212
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 CID/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' 3251 3004 7.73      
2 A' 3191 2949 19.60      
3 A' 3118 2881 8.02      
4 A' 1520 1405 7.16      
5 A' 1448 1338 49.90      
6 A' 1423 1315 15.62      
7 A' 1223 1130 23.65      
8 A' 1118 1033 3.40      
9 A' 872 806 1.07      
10 A' 407 376 2.06      
11 A" 3189 2947 9.75      
12 A" 1507 1393 8.83      
13 A" 1082 1000 4.19      
14 A" 794 733 12.42      
15 A" 177 164 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 12159.7 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 11235.6 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 CID/cc-pVDZ
ABC
1.62348 0.19059 0.17618

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.621 0.000
C2 -1.498 0.700 0.000
S3 0.882 -0.734 0.000
H4 0.510 1.594 0.000
H5 -1.951 -0.297 0.000
H6 -1.840 1.261 0.884
H7 -1.840 1.261 -0.884

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.50031.61741.09872.15642.13892.1389
C21.50032.77922.19841.09521.10111.1011
S31.61742.77922.35832.86683.48873.4887
H41.09872.19842.35833.10402.53262.5326
H52.15641.09522.86683.10401.79471.7947
H62.13891.10113.48872.53261.79471.7677
H72.13891.10113.48872.53261.79471.7677

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.413 C1 C2 H6 109.665
C1 C2 H7 109.665 C2 C1 S3 126.065
C2 C1 H4 114.647 S3 C1 H4 119.288
H5 C2 H6 109.603 H5 C2 H7 109.603
H6 C2 H7 106.781
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability