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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: TPSSh/TZVP

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/TZVP
 hartrees
Energy at 0K-476.842334
Energy at 298.15K-476.846119
HF Energy-476.842334
Nuclear repulsion energy92.634515
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/TZVP
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' 3137 3023 11.11      
2 A' 3066 2955 25.43      
3 A' 3008 2898 4.51      
4 A' 1490 1436 5.24      
5 A' 1392 1342 13.72      
6 A' 1383 1332 64.92      
7 A' 1158 1116 47.28      
8 A' 1084 1045 7.89      
9 A' 829 799 0.95      
10 A' 386 372 1.99      
11 A" 3055 2944 8.69      
12 A" 1483 1429 10.53      
13 A" 1044 1006 5.01      
14 A" 765 737 13.09      
15 A" 166 160 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 11721.9 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 11296.4 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/TZVP
ABC
1.63726 0.18993 0.17569

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.625 0.000
C2 -1.488 0.720 0.000
S3 0.875 -0.748 0.000
H4 0.522 1.585 0.000
H5 -1.956 -0.264 0.000
H6 -1.821 1.289 0.877
H7 -1.821 1.289 -0.877

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49121.62801.09322.14802.12722.1272
C21.49122.78212.18851.08911.09711.0971
S31.62802.78212.35972.87203.49073.4907
H41.09322.18852.35973.09152.51912.5191
H52.14801.08912.87203.09151.78821.7882
H62.12721.09713.49072.51911.78821.7547
H72.12721.09713.49072.51911.78821.7547

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.760 C1 C2 H6 109.603
C1 C2 H7 109.603 C2 C1 S3 126.186
C2 C1 H4 114.866 S3 C1 H4 118.948
H5 C2 H6 109.760 H5 C2 H7 109.760
H6 C2 H7 106.202
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.156      
2 C -0.251      
3 S -0.123      
4 H 0.152      
5 H 0.129      
6 H 0.125      
7 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.736 1.929 0.000 2.595
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 6.953 -2.108 0.000
y -2.108 7.331 0.000
z 0.000 0.000 4.104


<r2> (average value of r2) Å2
<r2> 74.305
(<r2>)1/2 8.620