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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-88.122081
Energy at 298.15K-88.125854
HF Energy-87.894110
Nuclear repulsion energy53.352000
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/LANL2DZ
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' 3149 3033 35.15      
2 A' 3125 3009 19.52      
3 A' 3009 2898 13.52      
4 A' 1524 1467 11.73      
5 A' 1448 1395 13.84      
6 A' 1410 1358 17.93      
7 A' 1166 1123 16.12      
8 A' 1113 1072 2.44      
9 A' 807 777 4.26      
10 A' 393 378 0.94      
11 A" 3097 2983 24.48      
12 A" 1515 1459 13.98      
13 A" 1079 1039 5.23      
14 A" 777 748 27.76      
15 A" 157 151 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 11883.6 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 11445.1 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/LANL2DZ
ABC
1.56454 0.17941 0.16603

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.651 0.000
C2 -1.525 0.754 0.000
S3 0.896 -0.777 0.000
H4 0.536 1.614 0.000
H5 -1.994 -0.243 0.000
H6 -1.865 1.315 0.892
H7 -1.865 1.315 -0.892

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.52801.68571.10182.18512.17122.1712
C21.52802.86382.23301.10201.10721.1072
S31.68572.86382.41732.93853.57673.5767
H41.10182.23302.41733.13832.57892.5789
H52.18511.10202.93853.13831.79991.7999
H62.17121.10723.57672.57891.79991.7835
H72.17121.10723.57672.57891.79991.7835

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.345 C1 C2 H6 109.930
C1 C2 H7 109.930 C2 C1 S3 125.962
C2 C1 H4 115.270 S3 C1 H4 118.767
H5 C2 H6 109.121 H5 C2 H7 109.121
H6 C2 H7 107.299
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability