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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-476.529919
Energy at 298.15K-476.533664
HF Energy-476.529919
Nuclear repulsion energy92.289512
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 PBEPBE/6-311G*
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' 3078 3046 11.46      
2 A' 2991 2960 34.94      
3 A' 2947 2916 3.56      
4 A' 1449 1434 4.69      
5 A' 1347 1333 80.71      
6 A' 1345 1331 22.56      
7 A' 1146 1134 48.60      
8 A' 1057 1046 10.35      
9 A' 817 808 0.88      
10 A' 389 385 1.23      
11 A" 2996 2964 7.50      
12 A" 1433 1418 14.52      
13 A" 1007 996 3.64      
14 A" 745 737 21.18      
15 A" 163 161 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 11454.1 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 11335.0 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 PBEPBE/6-311G*
ABC
1.63538 0.18839 0.17439

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.623 0.000
C2 -1.488 0.731 0.000
S3 0.876 -0.755 0.000
H4 0.532 1.590 0.000
H5 -1.974 -0.253 0.000
H6 -1.823 1.309 0.880
H7 -1.823 1.309 -0.880

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49141.63271.10332.16002.13782.1378
C21.49142.79142.19491.09741.10551.1055
S31.63272.79142.36932.89413.50983.5098
H41.10332.19492.36933.11092.53062.5306
H52.16001.09742.89413.11091.79891.7989
H62.13781.10553.50982.53061.79891.7609
H72.13781.10553.50982.53061.79891.7609

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 112.204 C1 C2 H6 109.923
C1 C2 H7 109.923 C2 C1 S3 126.576
C2 C1 H4 114.712 S3 C1 H4 118.712
H5 C2 H6 109.496 H5 C2 H7 109.496
H6 C2 H7 105.586
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.326      
2 C -0.639      
3 S -0.015      
4 H 0.237      
5 H 0.254      
6 H 0.244      
7 H 0.244      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.774 1.928 0.000 2.620
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.891 -0.710 0.000
y -0.710 -25.650 0.000
z 0.000 0.000 -26.384
Traceless
 xyz
x -0.874 -0.710 0.000
y -0.710 0.987 0.000
z 0.000 0.000 -0.113
Polar
3z2-r2-0.226
x2-y2-1.240
xy-0.710
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.006 -2.265 0.000
y -2.265 7.111 0.000
z 0.000 0.000 3.589


<r2> (average value of r2) Å2
<r2> 75.028
(<r2>)1/2 8.662