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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: CCSD=FULL/cc-pV(T+d)Z

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=FULL/cc-pV(T+d)Z
 hartrees
Energy at 0K-476.290026
Energy at 298.15K-476.293893
HF Energy-475.617268
Nuclear repulsion energy93.369745
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=FULL/cc-pV(T+d)Z
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' 3173 3173 10.18      
2 A' 3143 3143 13.09      
3 A' 3066 3066 6.23      
4 A' 1515 1515 5.29      
5 A' 1429 1429 37.06      
6 A' 1414 1414 25.70      
7 A' 1199 1199 26.50      
8 A' 1106 1106 3.83      
9 A' 854 854 0.90      
10 A' 400 400 1.85      
11 A" 3111 3111 8.15      
12 A" 1509 1509 7.96      
13 A" 1076 1076 5.10      
14 A" 794 794 12.57      
15 A" 185 185 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 11987.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11987.4 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=FULL/cc-pV(T+d)Z
ABC
1.64996 0.19314 0.17855

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.620 0.000
C2 -1.487 0.698 0.000
S3 0.875 -0.731 0.000
H4 0.508 1.576 0.000
H5 -1.932 -0.289 0.000
H6 -1.826 1.252 0.875
H7 -1.826 1.252 -0.875

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48931.60971.08252.13492.12102.1210
C21.48932.76112.17951.08301.08901.0890
S31.60972.76112.33612.84133.46313.4631
H41.08252.17952.33613.07082.51342.5134
H52.13491.08302.84133.07081.77501.7750
H62.12101.08903.46312.51341.77501.7493
H72.12101.08903.46312.51341.77501.7493

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.210 C1 C2 H6 109.724
C1 C2 H7 109.724 C2 C1 S3 125.949
C2 C1 H4 114.959 S3 C1 H4 119.091
H5 C2 H6 109.612 H5 C2 H7 109.612
H6 C2 H7 106.859
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability