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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: QCISD/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 QCISD/daug-cc-pVDZ
 hartrees
Energy at 0K-476.051440
Energy at 298.15K-476.055243
HF Energy-475.582602
Nuclear repulsion energy91.916675
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 QCISD/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' 3150 3150 9.99      
2 A' 3108 3108 17.12      
3 A' 3024 3024 8.96      
4 A' 1475 1475 5.40      
5 A' 1395 1395 39.43      
6 A' 1380 1380 25.45      
7 A' 1173 1173 25.57      
8 A' 1080 1080 5.24      
9 A' 833 833 0.38      
10 A' 393 393 1.77      
11 A" 3090 3090 9.75      
12 A" 1466 1466 6.75      
13 A" 1040 1040 5.82      
14 A" 758 758 12.19      
15 A" 170 170 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11767.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11767.5 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 QCISD/daug-cc-pVDZ
ABC
1.59792 0.18736 0.17317

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.632 0.000
C2 -1.505 0.716 0.000
S3 0.885 -0.748 0.000
H4 0.524 1.601 0.000
H5 -1.963 -0.284 0.000
H6 -1.843 1.281 0.888
H7 -1.843 1.281 -0.888

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.50751.63881.10202.16592.14682.1468
C21.50752.80262.21411.09971.10571.1057
S31.63882.80262.37622.88523.51403.5140
H41.10202.21412.37623.12082.54922.5492
H52.16591.09972.88523.12081.80341.8034
H62.14681.10573.51402.54921.80341.7764
H72.14681.10573.51402.54921.80341.7764

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.386 C1 C2 H6 109.517
C1 C2 H7 109.517 C2 C1 S3 125.883
C2 C1 H4 115.212 S3 C1 H4 118.905
H5 C2 H6 109.711 H5 C2 H7 109.711
H6 C2 H7 106.891
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability