return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3CSCH3 (Thioacetone)

using model chemistry: CCD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-515.145709
Energy at 298.15K-515.151659
HF Energy-514.593360
Nuclear repulsion energy152.605086
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 CCD/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 3198 3027 3.81      
2 A1 3070 2906 19.04      
3 A1 1550 1467 0.24      
4 A1 1461 1382 5.59      
5 A1 1377 1303 86.41      
6 A1 1060 1003 0.48      
7 A1 735 695 0.00      
8 A1 385 364 0.34      
9 A2 3127 2959 0.00      
10 A2 1520 1439 0.00      
11 A2 961 910 0.00      
12 A2 106 101 0.00      
13 B1 3132 2965 23.02      
14 B1 1540 1458 22.15      
15 B1 1118 1059 0.07      
16 B1 450 426 2.24      
17 B1 168 159 0.55      
18 B2 3197 3026 8.86      
19 B2 3064 2900 3.10      
20 B2 1521 1440 5.63      
21 B2 1451 1373 18.13      
22 B2 1262 1194 6.42      
23 B2 973 921 0.27      
24 B2 401 379 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 18412.1 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 17427.0 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 CCD/6-31G*
ABC
0.29131 0.16358 0.10902

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

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 1.375
C3 0.000 1.269 -1.065
C4 0.000 -1.269 -1.065
H5 0.000 2.154 -0.426
H6 0.000 -2.154 -0.426
H7 0.883 1.293 -1.719
H8 -0.883 1.293 -1.719
H9 -0.883 -1.293 -1.719
H10 0.883 -1.293 -1.719

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.62401.50851.50852.16162.16162.14772.14772.14772.1477
S21.62402.75022.75022.80822.80823.46753.46753.46753.4675
C31.50852.75022.53731.09203.48211.09881.09882.78762.7876
C41.50852.75022.53733.48211.09202.78762.78761.09881.0988
H52.16162.80821.09203.48214.30861.78631.78633.78633.7863
H62.16162.80823.48211.09204.30863.78633.78631.78631.7863
H72.14773.46751.09882.78761.78633.78631.76593.13212.5868
H82.14773.46751.09882.78761.78633.78631.76592.58683.1321
H92.14773.46752.78761.09883.78631.78633.13212.58681.7659
H102.14773.46752.78761.09883.78631.78632.58683.13211.7659

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 111.443 C1 C3 H7 109.921
C1 C3 H8 109.921 C1 C4 H6 111.443
C1 C4 H9 109.921 C1 C4 H10 109.921
S2 C1 C3 122.755 S2 C1 C4 122.755
C3 C1 C4 114.490 H5 C3 H7 109.249
H5 C3 H8 109.249 H6 C4 H9 109.249
H6 C4 H10 109.249 H7 C3 H8 106.948
H9 C4 H10 106.948
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability