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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP2/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/cc-pV(T+d)Z
 hartrees
Energy at 0K-476.125775
Energy at 298.15K-476.129598
HF Energy-475.617025
Nuclear repulsion energy93.125525
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 MP2/cc-pV(T+d)Z
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' 3192 3040 4.84      
2 A' 3114 2966 19.48      
3 A' 3061 2916 3.99      
4 A' 1494 1423 5.86      
5 A' 1396 1329 36.80      
6 A' 1386 1320 23.61      
7 A' 1192 1136 18.06      
8 A' 1090 1039 1.82      
9 A' 846 805 3.26      
10 A' 396 377 1.46      
11 A" 3134 2985 5.06      
12 A" 1489 1418 8.62      
13 A" 1052 1002 4.91      
14 A" 770 733 13.81      
15 A" 174 165 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 11892.3 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 11327.4 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 MP2/cc-pV(T+d)Z
ABC
1.63410 0.19248 0.17781

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.623 0.000
C2 -1.490 0.698 0.000
S3 0.876 -0.733 0.000
H4 0.513 1.585 0.000
H5 -1.934 -0.293 0.000
H6 -1.831 1.254 0.876
H7 -1.831 1.254 -0.876

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49161.61501.09002.13952.12512.1251
C21.49162.76542.19051.08591.09171.0917
S31.61502.76542.34642.84413.47043.4704
H41.09002.19052.34643.08422.52402.5240
H52.13951.08592.84413.08421.78041.7804
H62.12511.09173.47042.52401.78041.7512
H72.12511.09173.47042.52401.78041.7512

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.239 C1 C2 H6 109.726
C1 C2 H7 109.726 C2 C1 S3 125.742
C2 C1 H4 115.210 S3 C1 H4 119.048
H5 C2 H6 109.695 H5 C2 H7 109.695
H6 C2 H7 106.651
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability