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All results from a given calculation for CH3CSCH3 (Thioacetone)

using model chemistry: QCISD/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 QCISD/6-311G**
 hartrees
Energy at 0K-515.270596
Energy at 298.15K-515.276385
HF Energy-514.646198
Nuclear repulsion energy152.181679
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/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 3172 3027 5.84      
2 A1 3048 2908 23.44      
3 A1 1516 1447 0.02      
4 A1 1426 1361 4.63      
5 A1 1327 1266 105.85      
6 A1 1039 992 3.30      
7 A1 713 681 0.35      
8 A1 376 359 0.13      
9 A2 3102 2959 0.00      
10 A2 1488 1420 0.00      
11 A2 929 886 0.00      
12 A2 49 47 0.00      
13 B1 3108 2965 28.56      
14 B1 1509 1440 20.79      
15 B1 1088 1038 1.02      
16 B1 437 417 3.04      
17 B1 154 147 0.49      
18 B2 3170 3025 10.58      
19 B2 3041 2901 4.63      
20 B2 1487 1419 4.95      
21 B2 1418 1353 12.04      
22 B2 1240 1183 6.04      
23 B2 952 909 0.53      
24 B2 391 373 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 18090.3 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 17260.0 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/6-311G**
ABC
0.29106 0.16199 0.10828

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.249
S2 0.000 0.000 1.382
C3 0.000 1.270 -1.071
C4 0.000 -1.270 -1.071
H5 0.000 2.158 -0.437
H6 0.000 -2.158 -0.437
H7 0.883 1.287 -1.723
H8 -0.883 1.287 -1.723
H9 -0.883 -1.287 -1.723
H10 0.883 -1.287 -1.723

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.63131.51271.51272.16642.16642.14702.14702.14702.1470
S21.63132.76242.76242.82272.82273.47583.47583.47583.4758
C31.51272.76242.53991.09133.48631.09821.09822.78272.7827
C41.51272.76242.53993.48631.09132.78272.78271.09821.0982
H52.16642.82271.09133.48634.31641.78721.78723.78213.7821
H62.16642.82273.48631.09134.31643.78213.78211.78721.7872
H72.14703.47581.09822.78271.78723.78211.76673.12192.5739
H82.14703.47581.09822.78271.78723.78211.76672.57393.1219
H92.14703.47582.78271.09823.78211.78723.12192.57391.7667
H102.14703.47582.78271.09823.78211.78722.57393.12191.7667

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 111.576 C1 C3 H7 109.614
C1 C3 H8 109.614 C1 C4 H6 111.576
C1 C4 H9 109.614 C1 C4 H10 109.614
S2 C1 C3 122.909 S2 C1 C4 122.909
C3 C1 C4 114.182 H5 C3 H7 109.419
H5 C3 H8 109.419 H6 C4 H9 109.419
H6 C4 H10 109.419 H7 C3 H8 107.092
H9 C4 H10 107.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability