return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B1B95/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B1B95/6-311+G(3df,2p)
 hartrees
Energy at 0K-476.826349
Energy at 298.15K-476.830159
HF Energy-476.826349
Nuclear repulsion energy93.524324
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 B1B95/6-311+G(3df,2p)
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' 3164 3164 6.31      
2 A' 3086 3086 20.79      
3 A' 3034 3034 2.69      
4 A' 1480 1480 7.46      
5 A' 1385 1385 66.87      
6 A' 1379 1379 24.40      
7 A' 1183 1183 40.12      
8 A' 1085 1085 6.39      
9 A' 845 845 1.34      
10 A' 392 392 2.03      
11 A" 3088 3088 4.31      
12 A" 1468 1468 9.33      
13 A" 1044 1044 4.82      
14 A" 769 769 13.26      
15 A" 173 173 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 11787.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11787.7 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 B1B95/6-311+G(3df,2p)
ABC
1.65915 0.19393 0.17930

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.616 0.000
C2 -1.479 0.702 0.000
S3 0.871 -0.733 0.000
H4 0.515 1.577 0.000
H5 -1.938 -0.281 0.000
H6 -1.816 1.265 0.873
H7 -1.816 1.265 -0.873

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48191.60581.08972.13572.11702.1170
C21.48192.75362.17731.08461.09201.0920
S31.60582.75362.33712.84523.46063.4606
H41.08972.17732.33713.07672.50812.5081
H52.13571.08462.84523.07671.77981.7798
H62.11701.09203.46062.50811.77981.7452
H72.11701.09203.46062.50811.77981.7452

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.707 C1 C2 H6 109.746
C1 C2 H7 109.746 C2 C1 S3 126.158
C2 C1 H4 114.855 S3 C1 H4 118.987
H5 C2 H6 109.701 H5 C2 H7 109.701
H6 C2 H7 106.083
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.177      
2 C -0.289      
3 S -0.211      
4 H 0.168      
5 H 0.173      
6 H 0.168      
7 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.679 1.852 0.000 2.500
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.449 -0.661 0.000
y -0.661 -25.253 0.000
z 0.000 0.000 -26.053
Traceless
 xyz
x -0.796 -0.661 0.000
y -0.661 0.998 0.000
z 0.000 0.000 -0.202
Polar
3z2-r2-0.405
x2-y2-1.196
xy-0.661
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.003 -1.645 0.000
y -1.645 7.750 0.000
z 0.000 0.000 5.183


<r2> (average value of r2) Å2
<r2> 73.194
(<r2>)1/2 8.555