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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: CCSD/aug-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 CCSD/aug-cc-pVTZ
 hartrees
Energy at 0K-476.166424
Energy at 298.15K-476.170254
HF Energy-475.616244
Nuclear repulsion energy92.909149
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 CCSD/aug-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' 3163 3023 6.99      
2 A' 3117 2979 13.58      
3 A' 3043 2908 6.23      
4 A' 1508 1441 5.74      
5 A' 1421 1359 19.17      
6 A' 1402 1340 44.15      
7 A' 1186 1134 25.75      
8 A' 1099 1050 4.67      
9 A' 846 808 0.80      
10 A' 394 377 1.79      
11 A" 3101 2964 7.02      
12 A" 1501 1434 7.53      
13 A" 1064 1017 5.26      
14 A" 773 738 13.44      
15 A" 175 167 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 11895.6 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 11369.8 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 CCSD/aug-cc-pVTZ
ABC
1.63240 0.19132 0.17683

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.624 0.000
C2 -1.493 0.703 0.000
S3 0.878 -0.736 0.000
H4 0.515 1.584 0.000
H5 -1.942 -0.287 0.000
H6 -1.832 1.260 0.878
H7 -1.832 1.260 -0.878

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49531.61901.08912.14522.12882.1288
C21.49532.77402.19281.08731.09341.0934
S31.61902.77402.34802.85583.47883.4788
H41.08912.19282.34803.08832.52672.5267
H52.14521.08732.85583.08831.78241.7824
H62.12881.09343.47882.52671.78241.7551
H72.12881.09343.47882.52671.78241.7551

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.351 C1 C2 H6 109.669
C1 C2 H7 109.669 C2 C1 S3 125.883
C2 C1 H4 115.189 S3 C1 H4 118.927
H5 C2 H6 109.641 H5 C2 H7 109.641
H6 C2 H7 106.762
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability