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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: CCSD/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/cc-pV(T+d)Z
 hartrees
Energy at 0K-476.159951
Energy at 298.15K-476.163781
HF Energy-475.617035
Nuclear repulsion energy93.028010
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-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' 3168 3168 8.37      
2 A' 3121 3121 15.88      
3 A' 3047 3047 6.67      
4 A' 1503 1503 5.07      
5 A' 1418 1418 30.85      
6 A' 1402 1402 31.39      
7 A' 1189 1189 25.36      
8 A' 1098 1098 3.76      
9 A' 847 847 0.89      
10 A' 396 396 1.86      
11 A" 3107 3107 8.71      
12 A" 1497 1497 7.80      
13 A" 1065 1065 4.76      
14 A" 777 777 12.71      
15 A" 172 172 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 11903.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11903.2 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-pV(T+d)Z
ABC
1.63660 0.19174 0.17723

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.622 0.000
C2 -1.494 0.699 0.000
S3 0.879 -0.733 0.000
H4 0.510 1.584 0.000
H5 -1.940 -0.292 0.000
H6 -1.835 1.254 0.877
H7 -1.835 1.254 -0.877

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49611.61441.08872.14472.12962.1296
C21.49612.77142.19041.08661.09261.0926
S31.61442.77142.34542.85363.47563.4756
H41.08872.19042.34543.08552.52452.5245
H52.14471.08662.85363.08551.78081.7808
H62.12961.09263.47562.52451.78081.7544
H72.12961.09263.47562.52451.78081.7544

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.287 C1 C2 H6 109.717
C1 C2 H7 109.717 C2 C1 S3 125.947
C2 C1 H4 114.954 S3 C1 H4 119.099
H5 C2 H6 109.602 H5 C2 H7 109.602
H6 C2 H7 106.812
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability