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: MP4/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-515.171596
Energy at 298.15K-515.177501
HF Energy-514.592709
Nuclear repulsion energy151.845867
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 MP4/6-31G*
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 3177 3034        
2 A1 3048 2910        
3 A1 1538 1468        
4 A1 1445 1380        
5 A1 1332 1271        
6 A1 1036 990        
7 A1 710 677        
8 A1 377 360        
9 A2 3108 2967        
10 A2 1513 1444        
11 A2 951 908        
12 A2 106 101        
13 B1 3113 2973        
14 B1 1531 1462        
15 B1 1103 1053        
16 B1 442 422        
17 B1 171 164        
18 B2 3176 3032        
19 B2 3043 2905        
20 B2 1511 1443        
21 B2 1434 1370        
22 B2 1245 1188        
23 B2 960 916        
24 B2 393 375        

Unscaled Zero Point Vibrational Energy (zpe) 18230.5 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 17406.5 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 MP4/6-31G*
ABC
0.28999 0.16132 0.10783

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.256
S2 0.000 0.000 1.386
C3 0.000 1.272 -1.072
C4 0.000 -1.272 -1.072
H5 0.000 2.158 -0.431
H6 0.000 -2.158 -0.431
H7 0.884 1.297 -1.727
H8 -0.884 1.297 -1.727
H9 -0.884 -1.297 -1.727
H10 0.884 -1.297 -1.727

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.64141.51121.51122.16462.16462.15092.15092.15092.1509
S21.64142.76722.76722.82012.82013.48553.48553.48553.4855
C31.51122.76722.54351.09383.48891.10041.10042.79422.7942
C41.51122.76722.54353.48891.09382.79422.79421.10041.1004
H52.16462.82011.09383.48894.31521.78971.78973.79403.7940
H62.16462.82013.48891.09384.31523.79403.79401.78971.7897
H72.15093.48551.10042.79421.78973.79401.76863.13912.5935
H82.15093.48551.10042.79421.78973.79401.76862.59353.1391
H92.15093.48552.79421.10043.79401.78973.13912.59351.7686
H102.15093.48552.79421.10043.79401.78972.59353.13911.7686

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 111.389 C1 C3 H7 109.898
C1 C3 H8 109.898 C1 C4 H6 111.389
C1 C4 H9 109.898 C1 C4 H10 109.898
S2 C1 C3 122.693 S2 C1 C4 122.693
C3 C1 C4 114.614 H5 C3 H7 109.301
H5 C3 H8 109.301 H6 C4 H9 109.301
H6 C4 H10 109.301 H7 C3 H8 106.948
H9 C4 H10 106.948
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability