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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-515.225872
Energy at 298.15K-515.231712
HF Energy-514.637043
Nuclear repulsion energy152.162596
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 3160 3025 5.81      
2 A1 3035 2906 22.70      
3 A1 1528 1463 0.24      
4 A1 1442 1381 6.60      
5 A1 1331 1274 112.07      
6 A1 1043 999 3.58      
7 A1 716 685 0.43      
8 A1 381 365 0.20      
9 A2 3087 2956 0.00      
10 A2 1496 1432 0.00      
11 A2 943 903 0.00      
12 A2 68 65 0.00      
13 B1 3094 2962 28.48      
14 B1 1519 1454 26.74      
15 B1 1096 1049 0.34      
16 B1 445 426 3.82      
17 B1 155 148 0.54      
18 B2 3158 3024 10.03      
19 B2 3028 2899 4.33      
20 B2 1497 1433 7.22      
21 B2 1432 1371 19.07      
22 B2 1245 1192 5.81      
23 B2 959 919 0.23      
24 B2 396 379 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 18127.0 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 17354.8 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
0.29053 0.16217 0.10827

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 -0.251
S2 0.000 0.000 1.382
C3 0.000 1.271 -1.070
C4 0.000 -1.271 -1.070
H5 0.000 2.158 -0.434
H6 0.000 -2.158 -0.434
H7 0.882 1.295 -1.724
H8 -0.882 1.295 -1.724
H9 -0.882 -1.295 -1.724
H10 0.882 -1.295 -1.724

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.63281.51141.51142.16532.16532.15022.15022.15022.1502
S21.63282.76102.76102.81962.81963.47833.47833.47833.4783
C31.51142.76102.54121.09153.48671.09861.09862.79052.7905
C41.51142.76102.54123.48671.09152.79052.79051.09861.0986
H52.16532.81961.09153.48674.31521.78541.78543.78963.7896
H62.16532.81963.48671.09154.31523.78963.78961.78541.7854
H72.15023.47831.09862.79051.78543.78961.76473.13352.5893
H82.15023.47831.09862.79051.78543.78961.76472.58933.1335
H92.15023.47832.79051.09863.78961.78543.13352.58931.7647
H102.15023.47832.79051.09863.78961.78542.58933.13351.7647

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 111.570 C1 C3 H7 109.929
C1 C3 H8 109.929 C1 C4 H6 111.570
C1 C4 H9 109.929 C1 C4 H10 109.929
S2 C1 C3 122.787 S2 C1 C4 122.787
C3 C1 C4 114.425 H5 C3 H7 109.219
H5 C3 H8 109.219 H6 C4 H9 109.219
H6 C4 H10 109.219 H7 C3 H8 106.857
H9 C4 H10 106.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability