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All results from a given calculation for CH3CSCH3 (Thioacetone)

using model chemistry: CISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-515.135374
Energy at 298.15K-515.141322
HF Energy-514.637851
Nuclear repulsion energy153.190906
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 CISD/6-311G*
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 3249 3006 4.95      
2 A1 3122 2889 21.63      
3 A1 1571 1454 0.02      
4 A1 1483 1372 7.49      
5 A1 1385 1282 136.95      
6 A1 1080 999 4.03      
7 A1 744 688 0.67      
8 A1 392 363 0.38      
9 A2 3173 2936 0.00      
10 A2 1537 1422 0.00      
11 A2 970 897 0.00      
12 A2 74 68 0.00      
13 B1 3180 2942 28.63      
14 B1 1561 1445 27.99      
15 B1 1131 1047 0.37      
16 B1 466 431 3.83      
17 B1 162 150 0.53      
18 B2 3247 3004 10.04      
19 B2 3114 2881 3.49      
20 B2 1537 1422 7.57      
21 B2 1473 1363 17.96      
22 B2 1278 1183 5.84      
23 B2 985 911 0.18      
24 B2 408 377 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 18660.2 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 17266.3 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 CISD/6-311G*
ABC
0.29344 0.16467 0.10973

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.246
S2 0.000 0.000 1.371
C3 0.000 1.265 -1.062
C4 0.000 -1.265 -1.062
H5 0.000 2.147 -0.432
H6 0.000 -2.147 -0.432
H7 0.876 1.287 -1.712
H8 -0.876 1.287 -1.712
H9 -0.876 -1.287 -1.712
H10 0.876 -1.287 -1.712

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.61681.50501.50502.15522.15522.13862.13862.13862.1386
S21.61682.74172.74172.80372.80373.45383.45383.45383.4538
C31.50502.74172.52921.08423.46941.09151.09152.77512.7751
C41.50502.74172.52923.46941.08422.77512.77511.09151.0915
H52.15522.80371.08423.46944.29421.77371.77373.76823.7682
H62.15522.80373.46941.08424.29423.76823.76821.77371.7737
H72.13863.45381.09152.77511.77373.76821.75283.11412.5740
H82.13863.45381.09152.77511.77373.76821.75282.57403.1141
H92.13863.45382.77511.09153.76821.77373.11412.57401.7528
H102.13863.45382.77511.09153.76821.77372.57403.11411.7528

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 111.659 C1 C3 H7 109.887
C1 C3 H8 109.887 C1 C4 H6 111.659
C1 C4 H9 109.887 C1 C4 H10 109.887
S2 C1 C3 122.829 S2 C1 C4 122.829
C3 C1 C4 114.343 H5 C3 H7 109.229
H5 C3 H8 109.229 H6 C4 H9 109.229
H6 C4 H10 109.229 H7 C3 H8 106.823
H9 C4 H10 106.823
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability