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All results from a given calculation for CH3CSCH3 (Thioacetone)

using model chemistry: MP2=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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-512.517595
Energy at 298.15K-512.523574
HF Energy-512.100577
Nuclear repulsion energy151.725279
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=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 3189 3023 2.18      
2 A1 3073 2913 9.95      
3 A1 1590 1507 3.79      
4 A1 1486 1409 2.14      
5 A1 1350 1280 70.47      
6 A1 1052 998 0.71      
7 A1 695 659 0.30      
8 A1 383 363 0.21      
9 A2 3128 2965 0.00      
10 A2 1570 1488 0.00      
11 A2 997 945 0.00      
12 A2 126 120 0.00      
13 B1 3134 2971 17.81      
14 B1 1589 1506 23.61      
15 B1 1145 1085 0.09      
16 B1 446 423 3.45      
17 B1 164 156 0.97      
18 B2 3187 3021 8.79      
19 B2 3068 2909 1.58      
20 B2 1568 1487 4.45      
21 B2 1470 1393 20.33      
22 B2 1212 1149 10.78      
23 B2 964 914 1.24      
24 B2 402 381 0.85      

Unscaled Zero Point Vibrational Energy (zpe) 18494.1 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 17532.4 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 MP2=FULL/3-21G*
ABC
0.28678 0.16165 0.10756

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

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 1.383
C3 0.000 1.281 -1.075
C4 0.000 -1.281 -1.075
H5 0.000 2.158 -0.425
H6 0.000 -2.158 -0.425
H7 0.887 1.303 -1.722
H8 -0.887 1.303 -1.722
H9 -0.887 -1.303 -1.722
H10 0.887 -1.303 -1.722

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.63101.52441.52442.16552.16552.15752.15752.15752.1575
S21.63102.77132.77132.81532.81533.48153.48153.48153.4815
C31.52442.77132.56181.09173.50001.09781.09782.80752.8075
C41.52442.77132.56183.50001.09172.80752.80751.09781.0978
H52.16552.81531.09173.50004.31651.78841.78843.80113.8011
H62.16552.81533.50001.09174.31653.80113.80111.78841.7884
H72.15753.48151.09782.80751.78843.80111.77353.15252.6063
H82.15753.48151.09782.80751.78843.80111.77352.60633.1525
H92.15753.48152.80751.09783.80111.78843.15252.60631.7735
H102.15753.48152.80751.09783.80111.78842.60633.15251.7735

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.643 C1 C3 H7 109.660
C1 C3 H8 109.660 C1 C4 H6 110.643
C1 C4 H9 109.660 C1 C4 H10 109.660
S2 C1 C3 122.833 S2 C1 C4 122.833
C3 C1 C4 114.335 H5 C3 H7 109.534
H5 C3 H8 109.534 H6 C4 H9 109.534
H6 C4 H10 109.534 H7 C3 H8 107.760
H9 C4 H10 107.760
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability