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All results from a given calculation for CH3CSCH3 (Thioacetone)

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-515.160442
Energy at 298.15K-515.166302
HF Energy-514.605589
Nuclear repulsion energy152.758896
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 MP2/6-31+G**
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 3245 3052 3.01      
2 A1 3106 2922 20.37      
3 A1 1540 1448 1.62      
4 A1 1441 1355 5.95      
5 A1 1353 1273 75.33      
6 A1 1054 991 0.27      
7 A1 728 685 0.42      
8 A1 383 360 0.05      
9 A2 3179 2990 0.00      
10 A2 1506 1417 0.00      
11 A2 938 882 0.00      
12 A2 78 74 0.00      
13 B1 3184 2995 18.40      
14 B1 1526 1435 22.71      
15 B1 1096 1030 2.62      
16 B1 429 404 2.83      
17 B1 158 149 0.76      
18 B2 3244 3051 8.23      
19 B2 3101 2916 5.08      
20 B2 1510 1420 6.64      
21 B2 1430 1345 18.76      
22 B2 1251 1176 5.86      
23 B2 962 905 1.15      
24 B2 396 372 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 18417.6 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 17323.6 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 MP2/6-31+G**
ABC
0.29323 0.16324 0.10908

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.251
S2 0.000 0.000 1.377
C3 0.000 1.265 -1.066
C4 0.000 -1.265 -1.066
H5 0.000 2.148 -0.434
H6 0.000 -2.148 -0.434
H7 0.878 1.285 -1.716
H8 -0.878 1.285 -1.716
H9 -0.878 -1.285 -1.716
H10 0.878 -1.285 -1.716

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.62821.50531.50532.15622.15622.13782.13782.13782.1378
S21.62822.75182.75182.80992.80993.46313.46313.46313.4631
C31.50532.75182.53051.08643.47181.09281.09282.77442.7744
C41.50532.75182.53053.47181.08642.77442.77441.09281.0928
H52.15622.80991.08643.47184.29691.77831.77833.76893.7689
H62.15622.80993.47181.08644.29693.76893.76891.77831.7783
H72.13783.46311.09282.77441.77833.76891.75643.11272.5698
H82.13783.46311.09282.77441.77833.76891.75642.56983.1127
H92.13783.46312.77441.09283.76891.77833.11272.56981.7564
H102.13783.46312.77441.09283.76891.77832.56983.11271.7564

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 111.582 C1 C3 H7 109.717
C1 C3 H8 109.717 C1 C4 H6 111.582
C1 C4 H9 109.717 C1 C4 H10 109.717
S2 C1 C3 122.802 S2 C1 C4 122.802
C3 C1 C4 114.396 H5 C3 H7 109.378
H5 C3 H8 109.378 H6 C4 H9 109.378
H6 C4 H10 109.378 H7 C3 H8 106.956
H9 C4 H10 106.956
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability