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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-476.791242
Energy at 298.15K-476.795042
HF Energy-476.791242
Nuclear repulsion energy92.815959
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 B1B95/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' 3176 3053 5.67      
2 A' 3082 2963 24.65      
3 A' 3035 2917 3.40      
4 A' 1454 1398 11.45      
5 A' 1369 1316 79.34      
6 A' 1352 1300 7.58      
7 A' 1180 1134 32.41      
8 A' 1073 1031 7.21      
9 A' 844 811 1.61      
10 A' 391 376 2.28      
11 A" 3102 2982 4.38      
12 A" 1434 1378 10.31      
13 A" 1024 984 2.03      
14 A" 763 733 12.75      
15 A" 176 169 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 11727.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 11272.1 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 B1B95/cc-pVDZ
ABC
1.63444 0.19124 0.17681

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.622 0.000
C2 -1.483 0.714 0.000
S3 0.873 -0.744 0.000
H4 0.523 1.592 0.000
H5 -1.953 -0.276 0.000
H6 -1.821 1.286 0.880
H7 -1.821 1.286 -0.880

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48631.62101.10172.14922.12872.1287
C21.48632.77122.18951.09551.10271.1027
S31.62102.77122.36172.86473.48633.4863
H41.10172.18952.36173.10082.52172.5217
H52.14921.09552.86473.10081.79791.7979
H62.12871.10273.48632.52171.79791.7603
H72.12871.10273.48632.52171.79791.7603

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.811 C1 C2 H6 109.729
C1 C2 H7 109.729 C2 C1 S3 126.162
C2 C1 H4 114.754 S3 C1 H4 119.084
H5 C2 H6 109.745 H5 C2 H7 109.745
H6 C2 H7 105.911
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.122      
2 C -0.010      
3 S -0.106      
4 H 0.061      
5 H 0.053      
6 H 0.062      
7 H 0.062      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.627 1.824 0.000 2.444
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.039 -0.658 0.000
y -0.658 -24.823 0.000
z 0.000 0.000 -25.608
Traceless
 xyz
x -0.823 -0.658 0.000
y -0.658 1.000 0.000
z 0.000 0.000 -0.177
Polar
3z2-r2-0.354
x2-y2-1.216
xy-0.658
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.413 -1.992 0.000
y -1.992 6.651 0.000
z 0.000 0.000 3.473


<r2> (average value of r2) Å2
<r2> 73.743
(<r2>)1/2 8.587