return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B3LYP/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 B3LYP/cc-pVDZ
 hartrees
Energy at 0K-476.808622
Energy at 298.15K-476.812420
HF Energy-476.808622
Nuclear repulsion energy92.319040
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 B3LYP/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' 3144 3050 7.69      
2 A' 3062 2970 26.99      
3 A' 3008 2918 4.74      
4 A' 1453 1409 6.75      
5 A' 1366 1325 49.18      
6 A' 1362 1321 30.35      
7 A' 1164 1129 38.23      
8 A' 1072 1040 7.36      
9 A' 834 809 1.13      
10 A' 393 381 2.31      
11 A" 3061 2969 7.09      
12 A" 1439 1396 9.33      
13 A" 1029 998 1.91      
14 A" 764 741 11.67      
15 A" 175 169 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 11663.0 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 11313.1 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 B3LYP/cc-pVDZ
ABC
1.62768 0.18875 0.17464

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.623 0.000
C2 -1.491 0.723 0.000
S3 0.878 -0.750 0.000
H4 0.524 1.595 0.000
H5 -1.969 -0.266 0.000
H6 -1.827 1.299 0.882
H7 -1.827 1.299 -0.882

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49451.63031.10372.16062.13872.1387
C21.49452.78972.19571.09831.10611.1061
S31.63032.78972.37172.88773.50643.5064
H41.10372.19572.37173.11092.52882.5288
H52.16061.09832.88773.11091.80201.8020
H62.13871.10613.50642.52881.80201.7649
H72.13871.10613.50642.52881.80201.7649

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.977 C1 C2 H6 109.746
C1 C2 H7 109.746 C2 C1 S3 126.389
C2 C1 H4 114.525 S3 C1 H4 119.086
H5 C2 H6 109.669 H5 C2 H7 109.669
H6 C2 H7 105.849
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.097      
2 C 0.019      
3 S -0.111      
4 H 0.048      
5 H 0.042      
6 H 0.050      
7 H 0.050      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.598 1.825 0.000 2.426
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.251 -0.634 0.000
y -0.634 -25.037 0.000
z 0.000 0.000 -25.738
Traceless
 xyz
x -0.863 -0.634 0.000
y -0.634 0.957 0.000
z 0.000 0.000 -0.094
Polar
3z2-r2-0.188
x2-y2-1.214
xy-0.634
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.452 -2.022 0.000
y -2.022 6.711 0.000
z 0.000 0.000 3.490


<r2> (average value of r2) Å2
<r2> 74.557
(<r2>)1/2 8.635