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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B2PLYP=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B2PLYP=FULL/3-21G*
 hartrees
Energy at 0K-474.227953
Energy at 298.15K-474.231781
HF Energy-474.118849
Nuclear repulsion energy92.454588
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 B2PLYP=FULL/3-21G*
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' 3180 3180 7.63      
2 A' 3117 3117 17.12      
3 A' 3058 3058 2.23      
4 A' 1561 1561 5.99      
5 A' 1468 1468 11.49      
6 A' 1427 1427 51.85      
7 A' 1164 1164 47.22      
8 A' 1127 1127 1.07      
9 A' 834 834 1.14      
10 A' 408 408 1.39      
11 A" 3106 3106 6.90      
12 A" 1559 1559 12.77      
13 A" 1099 1099 1.34      
14 A" 796 796 22.40      
15 A" 164 164 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 12033.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12033.8 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 B2PLYP=FULL/3-21G*
ABC
1.61501 0.18932 0.17498

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.627 0.000
C2 -1.506 0.699 0.000
S3 0.887 -0.735 0.000
H4 0.499 1.597 0.000
H5 -1.943 -0.299 0.000
H6 -1.851 1.253 0.882
H7 -1.851 1.253 -0.882

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.50801.62521.09122.15292.14402.1440
C21.50802.78982.19761.09001.09701.0970
S31.62522.78982.36432.86333.49643.4964
H41.09122.19762.36433.09262.53442.5344
H52.15291.09002.86333.09261.78741.7874
H62.14401.09703.49642.53441.78741.7642
H72.14401.09703.49642.53441.78741.7642

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 110.901 C1 C2 H6 109.774
C1 C2 H7 109.774 C2 C1 S3 125.800
C2 C1 H4 114.495 S3 C1 H4 119.705
H5 C2 H6 109.632 H5 C2 H7 109.632
H6 C2 H7 107.048
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability