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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-476.772069
Energy at 298.15K-476.775870
HF Energy-476.772069
Nuclear repulsion energy92.916897
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 mPW1PW91/6-31G**
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' 3195 3040 6.49      
2 A' 3120 2968 20.19      
3 A' 3053 2905 2.57      
4 A' 1496 1423 6.05      
5 A' 1405 1337 69.29      
6 A' 1393 1325 22.43      
7 A' 1189 1131 40.76      
8 A' 1095 1041 9.24      
9 A' 848 807 0.87      
10 A' 398 379 2.06      
11 A" 3116 2965 5.17      
12 A" 1482 1411 12.00      
13 A" 1050 999 2.41      
14 A" 774 737 16.11      
15 A" 166 158 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 11889.0 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 11312.4 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 mPW1PW91/6-31G**
ABC
1.64943 0.19104 0.17677

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.620 0.000
C2 -1.485 0.717 0.000
S3 0.874 -0.744 0.000
H4 0.521 1.582 0.000
H5 -1.955 -0.266 0.000
H6 -1.818 1.285 0.876
H7 -1.818 1.285 -0.876

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48771.61941.09392.14632.12542.1254
C21.48772.77392.18381.08931.09661.0966
S31.61942.77392.35232.86903.48313.4831
H41.09392.18382.35233.08912.51522.5152
H52.14631.08932.86903.08911.78671.7867
H62.12541.09663.48312.51521.78671.7526
H72.12541.09663.48312.51521.78671.7526

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.859 C1 C2 H6 109.725
C1 C2 H7 109.725 C2 C1 S3 126.391
C2 C1 H4 114.676 S3 C1 H4 118.933
H5 C2 H6 109.639 H5 C2 H7 109.639
H6 C2 H7 106.087
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.183      
2 C -0.421      
3 S -0.074      
4 H 0.170      
5 H 0.174      
6 H 0.167      
7 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.795 2.025 0.000 2.706
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.104 -0.548 0.000
y -0.548 -24.898 0.000
z 0.000 0.000 -25.677
Traceless
 xyz
x -0.817 -0.548 0.000
y -0.548 0.993 0.000
z 0.000 0.000 -0.176
Polar
3z2-r2-0.351
x2-y2-1.206
xy-0.548
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.242 -1.989 0.000
y -1.989 6.571 0.000
z 0.000 0.000 3.471


<r2> (average value of r2) Å2
<r2> 73.758
(<r2>)1/2 8.588