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All results from a given calculation for CH3CSCH3 (Thioacetone)

using model chemistry: MP4=FULL/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 MP4=FULL/3-21G
 hartrees
Energy at 0K-512.390476
Energy at 298.15K-512.396359
HF Energy-511.993766
Nuclear repulsion energy149.428896
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 MP4=FULL/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 3135 3068        
2 A1 3016 2952        
3 A1 1563 1530        
4 A1 1469 1438        
5 A1 1293 1266        
6 A1 1004 983        
7 A1 652 638        
8 A1 376 368        
9 A2 3063 2998        
10 A2 1548 1515        
11 A2 982 962        
12 A2 122 119        
13 B1 3069 3004        
14 B1 1566 1533        
15 B1 1121 1097        
16 B1 427 418        
17 B1 157 153        
18 B2 3133 3066        
19 B2 3011 2947        
20 B2 1544 1511        
21 B2 1455 1424        
22 B2 1207 1182        
23 B2 961 940        
24 B2 381 373        

Unscaled Zero Point Vibrational Energy (zpe) 18126.7 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 17742.4 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 MP4=FULL/3-21G
ABC
0.28434 0.15446 0.10403

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.280
S2 0.000 0.000 1.419
C3 0.000 1.286 -1.096
C4 0.000 -1.286 -1.096
H5 0.000 2.165 -0.441
H6 0.000 -2.165 -0.441
H7 0.889 1.313 -1.746
H8 -0.889 1.313 -1.746
H9 -0.889 -1.313 -1.746
H10 0.889 -1.313 -1.746

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.69891.52271.52272.17072.17072.15932.15932.15932.1593
S21.69892.82402.82402.85402.85403.53973.53973.53973.5397
C31.52272.82402.57241.09543.51241.10231.10232.82302.8230
C41.52272.82402.57243.51241.09542.82302.82301.10231.1023
H52.17072.85401.09543.51244.32961.79431.79433.81933.8193
H62.17072.85403.51241.09544.32963.81933.81931.79431.7943
H72.15933.53971.10232.82301.79433.81931.77893.17142.6255
H82.15933.53971.10232.82301.79433.81931.77892.62553.1714
H92.15933.53972.82301.10233.81931.79433.17142.62551.7789
H102.15933.53972.82301.10233.81931.79432.62553.17141.7789

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.963 C1 C3 H7 109.650
C1 C3 H8 109.650 C1 C4 H6 110.963
C1 C4 H9 109.650 C1 C4 H10 109.650
S2 C1 C3 122.364 S2 C1 C4 122.364
C3 C1 C4 115.271 H5 C3 H7 109.461
H5 C3 H8 109.461 H6 C4 H9 109.461
H6 C4 H10 109.461 H7 C3 H8 107.589
H9 C4 H10 107.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability