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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP2=FULL/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 MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-476.208925
Energy at 298.15K-476.212768
HF Energy-475.616430
Nuclear repulsion energy93.360221
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 MP2=FULL/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' 3183 3028 4.55      
2 A' 3135 2983 16.08      
3 A' 3068 2918 3.42      
4 A' 1507 1434 6.90      
5 A' 1405 1337 38.68      
6 A' 1396 1329 24.18      
7 A' 1201 1142 18.93      
8 A' 1098 1044 2.34      
9 A' 851 809 3.25      
10 A' 398 378 1.33      
11 A" 3128 2976 3.56      
12 A" 1499 1426 8.48      
13 A" 1059 1008 6.05      
14 A" 775 737 14.55      
15 A" 180 171 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 11941.2 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 11360.9 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 MP2=FULL/aug-cc-pVTZ
ABC
1.64418 0.19351 0.17880

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.623 0.000
C2 -1.481 0.702 0.000
S3 0.871 -0.735 0.000
H4 0.513 1.579 0.000
H5 -1.927 -0.286 0.000
H6 -1.820 1.258 0.875
H7 -1.820 1.258 -0.875

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48311.61411.08452.13112.11652.1165
C21.48312.75692.17811.08451.09001.0900
S31.61412.75692.34192.83453.46123.4612
H41.08452.17812.34193.07132.51212.5121
H52.13111.08452.83453.07131.77741.7774
H62.11651.09003.46122.51211.77741.7491
H72.11651.09003.46122.51211.77741.7491

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.250 C1 C2 H6 109.736
C1 C2 H7 109.736 C2 C1 S3 125.724
C2 C1 H4 115.169 S3 C1 H4 119.107
H5 C2 H6 109.649 H5 C2 H7 109.649
H6 C2 H7 106.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability