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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-475.730281
Energy at 298.15K-475.734116
HF Energy-475.487114
Nuclear repulsion energy90.763157
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 MP2/6-31G
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' 3176 3039 27.83      
2 A' 3160 3023 1.57      
3 A' 3047 2915 7.33      
4 A' 1554 1487 8.21      
5 A' 1478 1415 11.58      
6 A' 1440 1378 28.72      
7 A' 1187 1136 13.83      
8 A' 1132 1083 3.71      
9 A' 829 793 3.45      
10 A' 408 390 0.89      
11 A" 3116 2981 13.22      
12 A" 1545 1478 11.36      
13 A" 1103 1056 5.60      
14 A" 792 757 27.11      
15 A" 167 160 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 12066.3 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 11545.0 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 MP2/6-31G
ABC
1.58480 0.18177 0.16823

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.653 0.000
C2 -1.503 0.764 0.000
S3 0.882 -0.782 0.000
H4 0.554 1.595 0.000
H5 -1.971 -0.227 0.000
H6 -1.843 1.323 0.886
H7 -1.843 1.323 -0.886

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.50701.68451.09332.15842.15182.1518
C21.50702.84272.21871.09621.10151.1015
S31.68452.84272.39972.90693.55573.5557
H41.09332.21872.39973.11402.57022.5702
H52.15841.09622.90693.11401.79011.7901
H62.15181.10153.55572.57021.79011.7729
H72.15181.10153.55572.57021.79011.7729

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.035 C1 C2 H6 110.191
C1 C2 H7 110.191 C2 C1 S3 125.834
C2 C1 H4 116.228 S3 C1 H4 117.939
H5 C2 H6 109.079 H5 C2 H7 109.079
H6 C2 H7 107.174
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability