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/3-21G

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/3-21G
 hartrees
Energy at 0K-512.366219
Energy at 298.15K-512.372196
HF Energy-511.994856
Nuclear repulsion energy150.329912
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/3-21G
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 3143 3055 2.08      
2 A1 3026 2943 15.90      
3 A1 1571 1528 4.28      
4 A1 1480 1439 1.84      
5 A1 1332 1295 64.35      
6 A1 1038 1009 1.14      
7 A1 685 666 0.04      
8 A1 384 373 0.34      
9 A2 3068 2983 0.00      
10 A2 1551 1508 0.00      
11 A2 992 964 0.00      
12 A2 130 126 0.00      
13 B1 3075 2990 23.79      
14 B1 1570 1526 23.43      
15 B1 1132 1101 0.02      
16 B1 436 424 4.53      
17 B1 168 164 0.82      
18 B2 3141 3054 11.47      
19 B2 3021 2937 2.05      
20 B2 1551 1508 5.04      
21 B2 1466 1425 19.95      
22 B2 1224 1190 10.28      
23 B2 975 948 0.77      
24 B2 394 383 0.99      

Unscaled Zero Point Vibrational Energy (zpe) 18276.0 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 17769.7 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/3-21G
ABC
0.28620 0.15708 0.10546

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.271
S2 0.000 0.000 1.406
C3 0.000 1.281 -1.087
C4 0.000 -1.281 -1.087
H5 0.000 2.162 -0.437
H6 0.000 -2.162 -0.437
H7 0.889 1.308 -1.737
H8 -0.889 1.308 -1.737
H9 -0.889 -1.308 -1.737
H10 0.889 -1.308 -1.737

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.67631.51911.51912.16852.16852.15652.15652.15652.1565
S21.67632.80232.80232.84052.84053.51823.51823.51823.5182
C31.51912.80232.56261.09473.50431.10181.10182.81352.8135
C41.51912.80232.56263.50431.09472.81352.81351.10181.1018
H52.16852.84051.09473.50434.32431.79221.79223.81063.8106
H62.16852.84053.50431.09474.32433.81063.81061.79221.7922
H72.15653.51821.10182.81351.79223.81061.77753.16202.6152
H82.15653.51821.10182.81351.79223.81061.77752.61523.1620
H92.15653.51822.81351.10183.81061.79223.16202.61521.7775
H102.15653.51822.81351.10183.81061.79222.61523.16201.7775

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 111.083 C1 C3 H7 109.714
C1 C3 H8 109.714 C1 C4 H6 111.083
C1 C4 H9 109.714 C1 C4 H10 109.714
S2 C1 C3 122.490 S2 C1 C4 122.490
C3 C1 C4 115.020 H5 C3 H7 109.360
H5 C3 H8 109.360 H6 C4 H9 109.360
H6 C4 H10 109.360 H7 C3 H8 107.537
H9 C4 H10 107.537
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability