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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: CCD/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 CCD/cc-pVDZ
 hartrees
Energy at 0K-476.019228
Energy at 298.15K-476.023053
HF Energy-475.576199
Nuclear repulsion energy92.275490
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 CCD/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3187 3049 8.48      
2 A' 3121 2986 21.83      
3 A' 3057 2925 9.87      
4 A' 1489 1424 5.04      
5 A' 1418 1357 41.89      
6 A' 1394 1333 10.65      
7 A' 1203 1151 13.63      
8 A' 1094 1046 1.04      
9 A' 855 818 2.73      
10 A' 399 382 1.58      
11 A" 3129 2994 10.74      
12 A" 1477 1413 7.90      
13 A" 1053 1007 4.23      
14 A" 768 735 13.15      
15 A" 173 166 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 11908.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 11392.6 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 CCD/cc-pVDZ
ABC
1.60363 0.18904 0.17469

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.625 0.000
C2 -1.505 0.701 0.000
S3 0.886 -0.737 0.000
H4 0.511 1.605 0.000
H5 -1.957 -0.303 0.000
H6 -1.852 1.262 0.889
H7 -1.852 1.262 -0.889

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.50691.62501.10492.16592.15072.1507
C21.50692.79022.20961.10131.10681.1068
S31.62502.79022.37142.87583.50493.5049
H41.10492.20962.37143.11972.54812.5481
H52.16591.10132.87583.11971.80331.8033
H62.15071.10683.50492.54811.80331.7771
H72.15071.10683.50492.54811.80331.7771

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.339 C1 C2 H6 109.798
C1 C2 H7 109.798 C2 C1 S3 125.927
C2 C1 H4 114.688 S3 C1 H4 119.385
H5 C2 H6 109.501 H5 C2 H7 109.501
H6 C2 H7 106.796
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability