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/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-515.391418
Energy at 298.15K-515.397331
HF Energy-514.670466
Nuclear repulsion energy153.130222
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/cc-pVTZ
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 3183 2972 3.15      
2 A1 3055 2852 19.66      
3 A1 1520 1419 0.01      
4 A1 1421 1327 3.34      
5 A1 1351 1262 102.86      
6 A1 1046 976 0.97      
7 A1 727 679 0.00      
8 A1 373 348 0.45      
9 A2 3109 2903 0.00      
10 A2 1492 1393 0.00      
11 A2 941 879 0.00      
12 A2 93 87 0.00      
13 B1 3115 2908 19.15      
14 B1 1513 1413 17.80      
15 B1 1095 1022 0.50      
16 B1 446 417 1.84      
17 B1 167 156 0.38      
18 B2 3181 2970 8.30      
19 B2 3049 2847 2.79      
20 B2 1485 1387 5.54      
21 B2 1415 1321 16.04      
22 B2 1242 1160 5.84      
23 B2 952 889 1.47      
24 B2 390 364 1.49      

Unscaled Zero Point Vibrational Energy (zpe) 18180.4 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 16975.1 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 CCD/cc-pVTZ
ABC
0.29345 0.16454 0.10968

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.248
S2 0.000 0.000 1.371
C3 0.000 1.265 -1.062
C4 0.000 -1.265 -1.062
H5 0.000 2.146 -0.429
H6 0.000 -2.146 -0.429
H7 0.877 1.285 -1.713
H8 -0.877 1.285 -1.713
H9 -0.877 -1.285 -1.713
H10 0.877 -1.285 -1.713

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.61981.50401.50402.15382.15382.13652.13652.13652.1365
S21.61982.74252.74252.80112.80113.45443.45443.45443.4544
C31.50402.74252.53011.08523.46961.09251.09252.77382.7738
C41.50402.74252.53013.46961.08522.77382.77381.09251.0925
H52.15382.80111.08523.46964.29241.77801.77803.76703.7670
H62.15382.80113.46961.08524.29243.76703.76701.77801.7780
H72.13653.45441.09252.77381.77803.76701.75423.11102.5693
H82.13653.45441.09252.77381.77803.76701.75422.56933.1110
H92.13653.45442.77381.09253.76701.77803.11102.56931.7542
H102.13653.45442.77381.09253.76701.77802.56933.11101.7542

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 111.547 C1 C3 H7 109.722
C1 C3 H8 109.722 C1 C4 H6 111.547
C1 C4 H9 109.722 C1 C4 H10 109.722
S2 C1 C3 122.744 S2 C1 C4 122.744
C3 C1 C4 114.511 H5 C3 H7 109.466
H5 C3 H8 109.466 H6 C4 H9 109.466
H6 C4 H10 109.466 H7 C3 H8 106.801
H9 C4 H10 106.801
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability