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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP3/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 MP3/cc-pVTZ
 hartrees
Energy at 0K-476.154982
Energy at 298.15K-476.158821
HF Energy-475.615106
Nuclear repulsion energy93.129118
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 MP3/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' 3191 3015 7.81      
2 A' 3150 2976 13.24      
3 A' 3068 2898 5.20      
4 A' 1507 1424 5.65      
5 A' 1420 1342 42.93      
6 A' 1407 1329 18.73      
7 A' 1202 1135 22.47      
8 A' 1103 1042 2.40      
9 A' 855 808 2.16      
10 A' 398 376 1.90      
11 A" 3128 2955 7.37      
12 A" 1498 1415 8.36      
13 A" 1067 1008 5.27      
14 A" 780 736 13.95      
15 A" 174 164 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 11973.9 cm-1
Scaled (by 0.9447) Zero Point Vibrational Energy (zpe) 11311.8 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 MP3/cc-pVTZ
ABC
1.63863 0.19222 0.17764

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.622 0.000
C2 -1.492 0.697 0.000
S3 0.878 -0.732 0.000
H4 0.509 1.581 0.000
H5 -1.937 -0.293 0.000
H6 -1.834 1.252 0.875
H7 -1.834 1.252 -0.875

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49441.61331.08652.14202.12752.1275
C21.49442.76782.18851.08511.09121.0912
S31.61332.76782.34232.84903.47203.4720
H41.08652.18852.34233.08182.52292.5229
H52.14201.08512.84903.08181.77861.7786
H62.12751.09123.47202.52291.77861.7509
H72.12751.09123.47202.52291.77861.7509

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.293 C1 C2 H6 109.754
C1 C2 H7 109.754 C2 C1 S3 125.865
C2 C1 H4 115.068 S3 C1 H4 119.067
H5 C2 H6 109.619 H5 C2 H7 109.619
H6 C2 H7 106.692
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability