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 CH3CSCH3 (Thioacetone)

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-515.751482
Energy at 298.15K-515.757165
HF Energy-515.751482
Nuclear repulsion energy151.592720
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 PBEPBEultrafine/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 A1 3111 3060 2.25      
2 A1 2969 2920 16.94      
3 A1 1472 1448 0.05      
4 A1 1370 1348 5.86      
5 A1 1264 1243 133.09      
6 A1 995 978 3.98      
7 A1 700 689 0.41      
8 A1 367 361 0.52      
9 A2 3016 2966 0.00      
10 A2 1442 1418 0.00      
11 A2 894 879 0.00      
12 A2 64 63 0.00      
13 B1 3022 2972 16.11      
14 B1 1466 1442 23.76      
15 B1 1045 1028 0.63      
16 B1 433 425 2.33      
17 B1 144 142 1.50      
18 B2 3110 3058 8.79      
19 B2 2961 2912 1.38      
20 B2 1437 1413 5.24      
21 B2 1360 1337 22.99      
22 B2 1200 1181 13.32      
23 B2 908 893 2.05      
24 B2 379 372 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 17564.0 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 17274.2 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 PBEPBEultrafine/6-31G*
ABC
0.28925 0.16106 0.10762

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.260
S2 0.000 0.000 1.387
C3 0.000 1.272 -1.070
C4 0.000 -1.272 -1.070
H5 0.000 2.165 -0.429
H6 0.000 -2.165 -0.429
H7 0.884 1.301 -1.735
H8 -0.884 1.301 -1.735
H9 -0.884 -1.301 -1.735
H10 0.884 -1.301 -1.735

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.64781.50801.50802.17132.17132.15612.15612.15612.1561
S21.64782.76692.76692.82582.82583.49643.49643.49643.4964
C31.50802.76692.54501.09853.49651.10731.10732.80112.8011
C41.50802.76692.54503.49651.09852.80112.80111.10731.1073
H52.17132.82581.09853.49654.32961.79881.79883.80763.8076
H62.17132.82583.49651.09854.32963.80763.80761.79881.7988
H72.15613.49641.10732.80111.79883.80761.76873.14562.6012
H82.15613.49641.10732.80111.79883.80761.76872.60123.1456
H92.15613.49642.80111.10733.80761.79883.14562.60121.7687
H102.15613.49642.80111.10733.80761.79882.60123.14561.7687

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 111.868 C1 C3 H7 110.123
C1 C3 H8 110.123 C1 C4 H6 111.868
C1 C4 H9 110.123 C1 C4 H10 110.123
S2 C1 C3 122.451 S2 C1 C4 122.451
C3 C1 C4 115.098 H5 C3 H7 109.273
H5 C3 H8 109.273 H6 C4 H9 109.273
H6 C4 H10 109.273 H7 C3 H8 106.005
H9 C4 H10 106.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.003      
2 S -0.116      
3 C -0.512      
4 C -0.512      
5 H 0.201      
6 H 0.201      
7 H 0.185      
8 H 0.185      
9 H 0.185      
10 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -3.069 3.069
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.088 0.000 0.000
y 0.000 -31.901 0.000
z 0.000 0.000 -32.924
Traceless
 xyz
x 0.325 0.000 0.000
y 0.000 0.604 0.000
z 0.000 0.000 -0.929
Polar
3z2-r2-1.858
x2-y2-0.187
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.882 0.000 0.000
y 0.000 6.669 0.000
z 0.000 0.000 10.343


<r2> (average value of r2) Å2
<r2> 116.219
(<r2>)1/2 10.781