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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP2=FULL/cc-pVTZ

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=FULL/cc-pVTZ
 hartrees
Energy at 0K-476.189862
Energy at 298.15K-476.193717
HF Energy-475.615115
Nuclear repulsion energy93.340400
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=FULL/cc-pVTZ
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' 3195 3034 5.09      
2 A' 3136 2977 18.00      
3 A' 3078 2922 3.58      
4 A' 1505 1428 6.18      
5 A' 1405 1334 44.76      
6 A' 1396 1326 16.00      
7 A' 1201 1141 18.48      
8 A' 1097 1042 1.91      
9 A' 851 808 3.48      
10 A' 398 378 1.48      
11 A" 3138 2979 4.57      
12 A" 1499 1423 8.81      
13 A" 1061 1008 5.19      
14 A" 785 745 13.73      
15 A" 185 176 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 11965.4 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 11359.9 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=FULL/cc-pVTZ
ABC
1.64509 0.19330 0.17861

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.623 0.000
C2 -1.483 0.702 0.000
S3 0.872 -0.735 0.000
H4 0.513 1.579 0.000
H5 -1.927 -0.285 0.000
H6 -1.822 1.257 0.873
H7 -1.822 1.257 -0.873

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48511.61431.08422.13022.11702.1170
C21.48512.75902.18001.08241.08831.0883
S31.61432.75902.34132.83483.46203.4620
H41.08422.18002.34133.07022.51332.5133
H52.13021.08242.83483.07021.77501.7750
H62.11701.08833.46202.51331.77501.7464
H72.11701.08833.46202.51331.77501.7464

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.158 C1 C2 H6 109.736
C1 C2 H7 109.736 C2 C1 S3 125.743
C2 C1 H4 115.199 S3 C1 H4 119.058
H5 C2 H6 109.703 H5 C2 H7 109.703
H6 C2 H7 106.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability