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All results from a given calculation for CH3CSCH3 (Thioacetone)

using model chemistry: QCISD/TZVP

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/TZVP
 hartrees
Energy at 0K-515.276749
Energy at 298.15K 
HF Energy-514.651693
Nuclear repulsion energy152.306874
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/TZVP
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 3184 3041 5.55      
2 A1 3056 2919 26.07      
3 A1 1523 1455 0.21      
4 A1 1437 1373 3.47      
5 A1 1320 1261 91.95      
6 A1 1039 993 4.52      
7 A1 709 677 0.40      
8 A1 375 359 0.22      
9 A2 3109 2970 0.00      
10 A2 1485 1419 0.00      
11 A2 929 888 0.00      
12 A2 37i 35i 0.00      
13 B1 3115 2976 27.10      
14 B1 1507 1440 18.61      
15 B1 1093 1044 2.06      
16 B1 433 413 1.42      
17 B1 150 143 0.66      
18 B2 3182 3039 11.63      
19 B2 3049 2913 4.91      
20 B2 1494 1427 6.02      
21 B2 1427 1363 12.36      
22 B2 1240 1185 6.49      
23 B2 956 913 1.28      
24 B2 391 374 0.95      

Unscaled Zero Point Vibrational Energy (zpe) 18082.7 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 17274.5 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/TZVP
ABC
0.29222 0.16199 0.10840

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

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 1.383
C3 0.000 1.268 -1.070
C4 0.000 -1.268 -1.070
H5 0.000 2.151 -0.437
H6 0.000 -2.151 -0.437
H7 0.880 1.287 -1.720
H8 -0.880 1.287 -1.720
H9 -0.880 -1.287 -1.720
H10 0.880 -1.287 -1.720

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.63791.50711.50712.15912.15912.13982.13982.13982.1398
S21.63792.76132.76132.81782.81783.47313.47313.47313.4731
C31.50712.76132.53511.08743.47721.09461.09462.77892.7789
C41.50712.76132.53513.47721.08742.77892.77891.09461.0946
H52.15912.81781.08743.47724.30291.78061.78063.77413.7741
H62.15912.81783.47721.08744.30293.77413.77411.78061.7806
H72.13983.47311.09462.77891.78063.77411.76073.11812.5735
H82.13983.47311.09462.77891.78063.77411.76072.57353.1181
H92.13983.47312.77891.09463.77411.78063.11812.57351.7607
H102.13983.47312.77891.09463.77411.78062.57353.11811.7607

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 111.622 C1 C3 H7 109.641
C1 C3 H8 109.641 C1 C4 H6 111.622
C1 C4 H9 109.641 C1 C4 H10 109.641
S2 C1 C3 122.750 S2 C1 C4 122.750
C3 C1 C4 114.500 H5 C3 H7 109.378
H5 C3 H8 109.378 H6 C4 H9 109.378
H6 C4 H10 109.378 H7 C3 H8 107.073
H9 C4 H10 107.073
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability