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All results from a given calculation for CH3CSCH3 (Thioacetone)

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G2
 hartrees
Energy at 0K-515.402863
Energy at 298.15K-515.396308
HF Energy-514.593988
Nuclear repulsion energy153.254829
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 HF/6-31G*
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 3336 3143 4.06      
2 A1 3202 3017 29.78      
3 A1 1637 1543 0.49      
4 A1 1557 1467 3.50      
5 A1 1422 1339 172.56      
6 A1 1115 1050 15.81      
7 A1 753 709 5.52      
8 A1 401 378 1.08      
9 A2 3243 3056 0.00      
10 A2 1612 1519 0.00      
11 A2 1015 957 0.00      
12 A2 80 75 0.00      
13 B1 3252 3064 33.97      
14 B1 1634 1540 21.36      
15 B1 1186 1118 0.11      
16 B1 485 457 0.69      
17 B1 162 153 0.25      
18 B2 3334 3141 12.41      
19 B2 3193 3008 3.10      
20 B2 1607 1514 5.12      
21 B2 1547 1458 9.33      
22 B2 1319 1242 6.79      
23 B2 1021 962 0.41      
24 B2 417 393 1.76      

Unscaled Zero Point Vibrational Energy (zpe) 19264.5 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 18151.1 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=FULL/6-31G*
ABC
0.29283 0.16378 0.10929

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.252
S2 0.000 0.000 1.375
C3 0.000 1.265 -1.064
C4 0.000 -1.265 -1.064
H5 0.000 2.148 -0.425
H6 0.000 -2.148 -0.425
H7 0.880 1.291 -1.716
H8 -0.880 1.291 -1.716
H9 -0.880 -1.291 -1.716
H10 0.880 -1.291 -1.716

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.62691.50321.50322.15522.15522.14132.14132.14132.1413
S21.62692.74732.74732.80272.80273.46353.46353.46353.4635
C31.50322.74732.53061.08973.47281.09611.09612.78112.7811
C41.50322.74732.53063.47281.08972.78112.78111.09611.0961
H52.15522.80271.08973.47284.29661.78251.78253.77753.7775
H62.15522.80273.47281.08974.29663.77753.77751.78251.7825
H72.14133.46351.09612.78111.78253.77751.76083.12492.5816
H82.14133.46351.09612.78111.78253.77751.76082.58163.1249
H92.14133.46352.78111.09613.77751.78253.12492.58161.7608
H102.14133.46352.78111.09613.77751.78252.58163.12491.7608

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 111.660 C1 C3 H7 109.716
C1 C3 H8 109.716 C1 C4 H6 111.660
C1 C4 H9 109.716 C1 C4 H10 109.716
S2 C1 C3 122.764 S2 C1 C4 122.764
C3 C1 C4 114.471 H5 C3 H7 109.331
H5 C3 H8 109.331 H6 C4 H9 109.331
H6 C4 H10 109.331 H7 C3 H8 106.971
H9 C4 H10 106.971
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability