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All results from a given calculation for CH3CSCH3 (Thioacetone)

using model chemistry: QCISD(T)/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 QCISD(T)/6-31G*
 hartrees
Energy at 0K-515.172369
Energy at 298.15K-515.178267
HF Energy-514.592729
Nuclear repulsion energy151.875855
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 QCISD(T)/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 3173 3044        
2 A1 3042 2918        
3 A1 1536 1474        
4 A1 1446 1387        
5 A1 1330 1276        
6 A1 1036 994        
7 A1 711 682        
8 A1 377 362        
9 A2 3098 2972        
10 A2 1511 1449        
11 A2 951 912        
12 A2 105 101        
13 B1 3104 2977        
14 B1 1530 1467        
15 B1 1102 1057        
16 B1 441 423        
17 B1 169 162        
18 B2 3171 3042        
19 B2 3037 2913        
20 B2 1509 1448        
21 B2 1436 1377        
22 B2 1247 1196        
23 B2 961 922        
24 B2 392 376        

Unscaled Zero Point Vibrational Energy (zpe) 18206.3 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 17465.3 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 QCISD(T)/6-31G*
ABC
0.28981 0.16150 0.10790

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/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 1.385
C3 0.000 1.272 -1.071
C4 0.000 -1.272 -1.071
H5 0.000 2.158 -0.429
H6 0.000 -2.158 -0.429
H7 0.885 1.297 -1.726
H8 -0.885 1.297 -1.726
H9 -0.885 -1.297 -1.726
H10 0.885 -1.297 -1.726

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.64061.51121.51122.16462.16462.15052.15052.15052.1505
S21.64062.76612.76612.81892.81893.48423.48423.48423.4842
C31.51122.76612.54461.09373.48961.10071.10072.79482.7948
C41.51122.76612.54463.48961.09372.79482.79481.10071.1007
H52.16462.81891.09373.48964.31531.79021.79023.79433.7943
H62.16462.81893.48961.09374.31533.79433.79431.79021.7902
H72.15053.48421.10072.79481.79023.79431.76923.13952.5934
H82.15053.48421.10072.79481.79023.79431.76922.59343.1395
H92.15053.48422.79481.10073.79431.79023.13952.59341.7692
H102.15053.48422.79481.10073.79431.79022.59343.13951.7692

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 111.391 C1 C3 H7 109.849
C1 C3 H8 109.849 C1 C4 H6 111.391
C1 C4 H9 109.849 C1 C4 H10 109.849
S2 C1 C3 122.657 S2 C1 C4 122.657
C3 C1 C4 114.685 H5 C3 H7 109.338
H5 C3 H8 109.338 H6 C4 H9 109.338
H6 C4 H10 109.338 H7 C3 H8 106.971
H9 C4 H10 106.971
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability