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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: TPSSh/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at TPSSh/cc-pVDZ
 hartrees
Energy at 0K-476.816498
Energy at 298.15K-476.820289
HF Energy-476.816498
Nuclear repulsion energy92.333075
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 TPSSh/cc-pVDZ
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' 3146 3059 9.14      
2 A' 3060 2976 29.49      
3 A' 3010 2927 5.91      
4 A' 1467 1427 4.67      
5 A' 1374 1336 46.40      
6 A' 1366 1329 34.96      
7 A' 1166 1134 38.85      
8 A' 1074 1045 7.00      
9 A' 834 811 1.21      
10 A' 386 375 2.32      
11 A" 3069 2984 7.89      
12 A" 1457 1417 8.69      
13 A" 1031 1002 2.66      
14 A" 760 739 12.00      
15 A" 174 169 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 11687.2 cm-1
Scaled (by 0.9724) Zero Point Vibrational Energy (zpe) 11364.7 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 TPSSh/cc-pVDZ
ABC
1.61887 0.18911 0.17485

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.626 0.000
C2 -1.492 0.718 0.000
S3 0.878 -0.748 0.000
H4 0.523 1.598 0.000
H5 -1.961 -0.275 0.000
H6 -1.829 1.292 0.884
H7 -1.829 1.292 -0.884

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49531.63081.10352.15822.13722.1372
C21.49532.78752.19891.09811.10561.1056
S31.63082.78752.37262.87863.50263.5026
H41.10352.19892.37263.11082.53062.5306
H52.15821.09812.87863.11081.80321.8032
H62.13721.10563.50262.53061.80321.7670
H72.13721.10563.50262.53061.80321.7670

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.738 C1 C2 H6 109.602
C1 C2 H7 109.602 C2 C1 S3 126.116
C2 C1 H4 114.753 S3 C1 H4 119.131
H5 C2 H6 109.823 H5 C2 H7 109.823
H6 C2 H7 106.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.115      
2 C -0.014      
3 S -0.122      
4 H 0.067      
5 H 0.057      
6 H 0.063      
7 H 0.063      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.667 1.876 0.000 2.509
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.482 -2.037 0.000
y -2.037 6.713 0.000
z 0.000 0.000 3.490


<r2> (average value of r2) Å2
<r2> 74.421
(<r2>)1/2 8.627