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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: CCSD/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 CCSD/cc-pVDZ
 hartrees
Energy at 0K-476.023640
Energy at 298.15K-476.027449
HF Energy-475.575962
Nuclear repulsion energy92.079093
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/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' 3181 3013 8.61      
2 A' 3117 2952 22.56      
3 A' 3052 2891 9.99      
4 A' 1483 1405 4.59      
5 A' 1410 1336 38.64      
6 A' 1388 1314 19.02      
7 A' 1187 1124 18.12      
8 A' 1087 1030 2.64      
9 A' 845 800 1.05      
10 A' 396 375 1.70      
11 A" 3123 2958 10.81      
12 A" 1475 1398 7.79      
13 A" 1048 992 3.66      
14 A" 766 725 12.07      
15 A" 170 161 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 11862.7 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 11237.5 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/cc-pVDZ
ABC
1.59968 0.18818 0.17391

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.628 0.000
C2 -1.505 0.708 0.000
S3 0.886 -0.742 0.000
H4 0.514 1.607 0.000
H5 -1.959 -0.295 0.000
H6 -1.849 1.271 0.889
H7 -1.849 1.271 -0.889

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.50711.63191.10512.16612.15002.1500
C21.50712.79632.21021.10141.10701.1070
S31.63192.79632.37782.88003.51043.5104
H41.10512.21022.37783.12022.54742.5474
H52.16611.10142.88003.12021.80421.8042
H62.15001.10703.51042.54741.80421.7780
H72.15001.10703.51042.54741.80421.7780

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.330 C1 C2 H6 109.718
C1 C2 H7 109.718 C2 C1 S3 125.905
C2 C1 H4 114.707 S3 C1 H4 119.388
H5 C2 H6 109.562 H5 C2 H7 109.562
H6 C2 H7 106.846
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability