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All results from a given calculation for CH3CSCH3 (Thioacetone)

using model chemistry: MP2/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/STO-3G
 hartrees
Energy at 0K-509.057353
Energy at 298.15K-509.063076
HF Energy-508.841546
Nuclear repulsion energy149.793021
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 MP2/STO-3G
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 3546 3092 0.86      
2 A1 3354 2924 1.56      
3 A1 1730 1508 1.30      
4 A1 1604 1398 0.79      
5 A1 1464 1277 19.47      
6 A1 1106 964 1.82      
7 A1 745 649 1.21      
8 A1 367 320 0.02      
9 A2 3524 3072 0.00      
10 A2 1719 1499 0.00      
11 A2 1052 917 0.00      
12 A2 133 116 0.00      
13 B1 3525 3073 4.09      
14 B1 1725 1504 4.06      
15 B1 1191 1039 0.74      
16 B1 420 366 0.89      
17 B1 162 141 0.29      
18 B2 3545 3091 2.67      
19 B2 3354 2924 1.40      
20 B2 1722 1502 0.09      
21 B2 1593 1389 0.00      
22 B2 1305 1138 24.62      
23 B2 1048 914 0.17      
24 B2 388 339 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 20160.4 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 17577.9 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/STO-3G
ABC
0.27895 0.15708 0.10448

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.231
S2 0.000 0.000 1.402
C3 0.000 1.297 -1.094
C4 0.000 -1.297 -1.094
H5 0.000 2.200 -0.460
H6 0.000 -2.200 -0.460
H7 0.891 1.327 -1.748
H8 -0.891 1.327 -1.748
H9 -0.891 -1.327 -1.748
H10 0.891 -1.327 -1.748

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.63251.55821.55822.21242.21242.20352.20352.20352.2035
S21.63252.81292.81292.88252.88253.53173.53173.53173.5317
C31.55822.81292.59411.10383.55451.10561.10562.84692.8469
C41.55822.81292.59413.55451.10382.84692.84691.10561.1056
H52.21242.88251.10383.55454.40101.79331.79333.85913.8591
H62.21242.88253.55451.10384.40103.85913.85911.79331.7933
H72.20353.53171.10562.84691.79333.85911.78293.19662.6532
H82.20353.53171.10562.84691.79333.85911.78292.65323.1966
H92.20353.53172.84691.10563.85911.79333.19662.65321.7829
H102.20353.53172.84691.10563.85911.79332.65323.19661.7829

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 111.280 C1 C3 H7 110.470
C1 C3 H8 110.470 C1 C4 H6 111.280
C1 C4 H9 110.470 C1 C4 H10 110.470
S2 C1 C3 123.655 S2 C1 C4 123.655
C3 C1 C4 112.690 H5 C3 H7 108.519
H5 C3 H8 108.519 H6 C4 H9 108.519
H6 C4 H10 108.519 H7 C3 H8 107.472
H9 C4 H10 107.472
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability