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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: CCD/TZVP

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/TZVP
 hartrees
Energy at 0K-476.053812
Energy at 298.15K-476.057641
HF Energy-475.597748
Nuclear repulsion energy92.863984
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/TZVP
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' 3184 3019 12.43      
2 A' 3141 2978 16.93      
3 A' 3063 2903 9.99      
4 A' 1516 1437 5.15      
5 A' 1440 1365 26.85      
6 A' 1425 1351 21.63      
7 A' 1204 1142 18.74      
8 A' 1113 1056 0.82      
9 A' 855 810 2.22      
10 A' 405 384 1.20      
11 A" 3125 2962 12.31      
12 A" 1495 1418 8.29      
13 A" 1073 1017 7.83      
14 A" 777 737 13.02      
15 A" 163 155 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 11989.9 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 11366.5 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 CCD/TZVP
ABC
1.63130 0.19105 0.17661

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.623 0.000
C2 -1.495 0.702 0.000
S3 0.880 -0.735 0.000
H4 0.511 1.586 0.000
H5 -1.944 -0.289 0.000
H6 -1.837 1.255 0.880
H7 -1.837 1.255 -0.880

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49741.61861.08952.14752.13232.1323
C21.49742.77622.19221.08811.09381.0938
S31.61862.77622.35002.85883.48083.4808
H41.08952.19222.35003.08892.52882.5288
H52.14751.08812.85883.08891.78061.7806
H62.13231.09383.48082.52881.78061.7594
H72.13231.09383.48082.52881.78061.7594

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.334 C1 C2 H6 109.776
C1 C2 H7 109.776 C2 C1 S3 125.942
C2 C1 H4 114.952 S3 C1 H4 119.107
H5 C2 H6 109.389 H5 C2 H7 109.389
H6 C2 H7 107.081
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability