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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: HF/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 HF/cc-pVDZ
 hartrees
Energy at 0K-475.577010
Energy at 298.15K-475.580940
HF Energy-475.577010
Nuclear repulsion energy93.106137
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 HF/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' 3308 3003 11.68      
2 A' 3269 2968 17.56      
3 A' 3171 2879 11.16      
4 A' 1584 1438 9.42      
5 A' 1510 1371 41.71      
6 A' 1486 1349 39.30      
7 A' 1246 1131 49.99      
8 A' 1164 1057 13.20      
9 A' 894 811 0.43      
10 A' 421 382 3.35      
11 A" 3233 2936 14.14      
12 A" 1571 1427 9.91      
13 A" 1142 1037 4.04      
14 A" 838 761 10.81      
15 A" 182 165 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 12507.9 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 11357.2 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 HF/cc-pVDZ
ABC
1.65104 0.19166 0.17735

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.615 0.000
C2 -1.493 0.704 0.000
S3 0.878 -0.734 0.000
H4 0.512 1.578 0.000
H5 -1.952 -0.282 0.000
H6 -1.823 1.266 0.879
H7 -1.823 1.266 -0.879

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49531.60981.09012.14852.12592.1259
C21.49532.77252.18651.08751.09411.0941
S31.60982.77252.34092.86593.47363.4736
H41.09012.18652.34093.08682.51412.5141
H52.14851.08752.86593.08681.78411.7841
H62.12591.09413.47362.51411.78411.7578
H72.12591.09413.47362.51411.78411.7578

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.604 C1 C2 H6 109.387
C1 C2 H7 109.387 C2 C1 S3 126.435
C2 C1 H4 114.590 S3 C1 H4 118.974
H5 C2 H6 109.728 H5 C2 H7 109.728
H6 C2 H7 106.890
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.102      
2 C -0.013      
3 S -0.145      
4 H 0.079      
5 H 0.061      
6 H 0.059      
7 H 0.059      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.790 2.119 0.000 2.774
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.836 -0.429 0.000
y -0.429 -25.228 0.000
z 0.000 0.000 -26.178
Traceless
 xyz
x -1.133 -0.429 0.000
y -0.429 1.278 0.000
z 0.000 0.000 -0.145
Polar
3z2-r2-0.291
x2-y2-1.608
xy-0.429
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.021 -2.051 0.000
y -2.051 6.592 0.000
z 0.000 0.000 3.401


<r2> (average value of r2) Å2
<r2> 73.891
(<r2>)1/2 8.596