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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-476.789468
Energy at 298.15K-476.793279
HF Energy-476.789468
Nuclear repulsion energy92.742360
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 mPW1PW91/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' 3186 3053 5.18      
2 A' 3099 2970 23.06      
3 A' 3043 2916 3.42      
4 A' 1463 1402 10.71      
5 A' 1378 1320 78.39      
6 A' 1363 1306 9.32      
7 A' 1185 1136 34.78      
8 A' 1080 1035 8.17      
9 A' 848 813 1.43      
10 A' 395 379 2.33      
11 A" 3111 2981 3.96      
12 A" 1444 1383 11.04      
13 A" 1033 990 2.09      
14 A" 769 737 13.48      
15 A" 175 168 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 11784.9 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 11293.5 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 mPW1PW91/cc-pVDZ
ABC
1.63424 0.19085 0.17648

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.622 0.000
C2 -1.484 0.716 0.000
S3 0.874 -0.745 0.000
H4 0.524 1.591 0.000
H5 -1.956 -0.273 0.000
H6 -1.820 1.290 0.881
H7 -1.820 1.290 -0.881

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48711.62251.10202.15122.12962.1296
C21.48712.77412.19061.09611.10321.1032
S31.62252.77412.36242.86923.48923.4892
H41.10202.19062.36243.10282.52262.5226
H52.15121.09612.86923.10281.79871.7987
H62.12961.10323.48922.52261.79871.7611
H72.12961.10323.48922.52261.79871.7611

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.876 C1 C2 H6 109.706
C1 C2 H7 109.706 C2 C1 S3 126.223
C2 C1 H4 114.766 S3 C1 H4 119.011
H5 C2 H6 109.735 H5 C2 H7 109.735
H6 C2 H7 105.908
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.131      
2 C -0.045      
3 S -0.113      
4 H 0.076      
5 H 0.066      
6 H 0.074      
7 H 0.074      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.668 1.881 0.000 2.514
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.073 -0.640 0.000
y -0.640 -24.827 0.000
z 0.000 0.000 -25.667
Traceless
 xyz
x -0.826 -0.640 0.000
y -0.640 1.043 0.000
z 0.000 0.000 -0.217
Polar
3z2-r2-0.434
x2-y2-1.247
xy-0.640
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.379 -2.017 0.000
y -2.017 6.652 0.000
z 0.000 0.000 3.464


<r2> (average value of r2) Å2
<r2> 73.868
(<r2>)1/2 8.595