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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP3=FULL/daug-cc-pVDZ

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=FULL/daug-cc-pVDZ
 hartrees
Energy at 0K-476.058237
Energy at 298.15K-476.062069
HF Energy-475.583193
Nuclear repulsion energy92.321993
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=FULL/daug-cc-pVDZ
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' 3180 3180 9.76      
2 A' 3147 3147 13.33      
3 A' 3051 3051 7.13      
4 A' 1485 1485 6.76      
5 A' 1406 1406 53.50      
6 A' 1390 1390 8.37      
7 A' 1198 1198 20.41      
8 A' 1092 1092 2.13      
9 A' 850 850 2.13      
10 A' 398 398 1.71      
11 A" 3118 3118 8.43      
12 A" 1470 1470 7.53      
13 A" 1049 1049 7.18      
14 A" 767 767 14.02      
15 A" 175 175 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 11888.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11888.3 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=FULL/daug-cc-pVDZ
ABC
1.60927 0.18908 0.17474

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.627 0.000
C2 -1.502 0.707 0.000
S3 0.883 -0.741 0.000
H4 0.519 1.595 0.000
H5 -1.956 -0.291 0.000
H6 -1.842 1.270 0.885
H7 -1.842 1.270 -0.885

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.50371.62851.09832.16102.14262.1426
C21.50372.78992.20751.09711.10321.1032
S31.62852.78992.36412.87443.50093.5009
H41.09832.20752.36413.11232.54282.5428
H52.16101.09712.87443.11231.79901.7990
H62.14261.10323.50092.54281.79901.7706
H72.14261.10323.50092.54281.79901.7706

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.420 C1 C2 H6 109.593
C1 C2 H7 109.593 C2 C1 S3 125.882
C2 C1 H4 115.179 S3 C1 H4 118.939
H5 C2 H6 109.692 H5 C2 H7 109.692
H6 C2 H7 106.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability