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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: CISD/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 CISD/daug-cc-pVDZ
 hartrees
Energy at 0K-475.989635
Energy at 298.15K-475.993501
HF Energy-475.583532
Nuclear repulsion energy92.591801
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 CISD/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' 3226 3226 9.48      
2 A' 3188 3188 14.59      
3 A' 3096 3096 7.21      
4 A' 1515 1515 7.62      
5 A' 1437 1437 53.95      
6 A' 1419 1419 16.69      
7 A' 1212 1212 29.77      
8 A' 1114 1114 5.13      
9 A' 864 864 0.55      
10 A' 405 405 2.16      
11 A" 3161 3161 9.21      
12 A" 1502 1502 7.61      
13 A" 1077 1077 6.59      
14 A" 788 788 12.51      
15 A" 178 178 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 12090.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12090.4 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 CISD/daug-cc-pVDZ
ABC
1.62324 0.18998 0.17564

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.624 0.000
C2 -1.498 0.707 0.000
S3 0.881 -0.739 0.000
H4 0.519 1.588 0.000
H5 -1.953 -0.286 0.000
H6 -1.833 1.270 0.883
H7 -1.833 1.270 -0.883

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.50021.62301.09512.15502.13502.1350
C21.50022.78392.20091.09301.09931.0993
S31.62302.78392.35572.86993.49043.4904
H41.09512.20092.35573.10262.53272.5327
H52.15501.09302.86993.10261.79311.7931
H62.13501.09933.49042.53271.79311.7656
H72.13501.09933.49042.53271.79311.7656

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.439 C1 C2 H6 109.464
C1 C2 H7 109.464 C2 C1 S3 126.041
C2 C1 H4 115.100 S3 C1 H4 118.859
H5 C2 H6 109.758 H5 C2 H7 109.758
H6 C2 H7 106.848
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability