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All results from a given calculation for CH3CSCH3 (Thioacetone)

using model chemistry: MP2/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/CEP-121G*
 hartrees
Energy at 0K-30.411495
Energy at 298.15K 
HF Energy-29.885702
Nuclear repulsion energy62.176897
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 MP2/CEP-121G*
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 3200 3049 5.24      
2 A1 3056 2912 22.71      
3 A1 1532 1460 1.65      
4 A1 1435 1367 6.25      
5 A1 1335 1272 72.27      
6 A1 1045 995 0.45      
7 A1 713 679 0.23      
8 A1 373 355 0.16      
9 A2 3130 2983 0.00      
10 A2 1499 1428 0.00      
11 A2 928 885 0.00      
12 A2 32i 30i 0.00      
13 B1 3136 2988 28.12      
14 B1 1522 1450 25.09      
15 B1 1093 1042 1.63      
16 B1 438 417 2.97      
17 B1 148 141 0.80      
18 B2 3198 3047 10.45      
19 B2 3050 2906 5.91      
20 B2 1501 1430 7.53      
21 B2 1425 1358 21.65      
22 B2 1236 1178 6.75      
23 B2 949 904 1.15      
24 B2 388 369 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 18148.5 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 17291.9 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 MP2/CEP-121G*
ABC
0.28745 0.16129 0.10746

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.255
S2 0.000 0.000 1.386
C3 0.000 1.279 -1.073
C4 0.000 -1.279 -1.073
H5 0.000 2.161 -0.431
H6 0.000 -2.161 -0.431
H7 0.883 1.301 -1.725
H8 -0.883 1.301 -1.725
H9 -0.883 -1.301 -1.725
H10 0.883 -1.301 -1.725

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.64071.51831.51832.16802.16802.15252.15252.15252.1525
S21.64072.77152.77152.82272.82273.48573.48573.48573.4857
C31.51832.77152.55841.09093.49951.09781.09782.80382.8038
C41.51832.77152.55843.49951.09092.80382.80381.09781.0978
H52.16802.82271.09093.49954.32171.78761.78763.79993.7999
H62.16802.82273.49951.09094.32173.79993.79991.78761.7876
H72.15253.48571.09782.80381.78763.79991.76533.14402.6017
H82.15253.48571.09782.80381.78763.79991.76532.60173.1440
H92.15253.48572.80381.09783.79991.78763.14402.60171.7653
H102.15253.48572.80381.09783.79991.78762.60173.14401.7653

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 111.326 C1 C3 H7 109.681
C1 C3 H8 109.681 C1 C4 H6 111.326
C1 C4 H9 109.681 C1 C4 H10 109.681
S2 C1 C3 122.595 S2 C1 C4 122.595
C3 C1 C4 114.810 H5 C3 H7 109.514
H5 C3 H8 109.514 H6 C4 H9 109.514
H6 C4 H10 109.514 H7 C3 H8 107.026
H9 C4 H10 107.026
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability