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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-512.341862
Energy at 298.15K-512.347845
HF Energy-511.995092
Nuclear repulsion energy150.308478
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 3188 3044 1.29      
2 A1 3070 2931 11.22      
3 A1 1588 1516 5.97      
4 A1 1491 1423 3.04      
5 A1 1327 1267 58.02      
6 A1 1036 990 0.60      
7 A1 680 650 0.37      
8 A1 385 368 0.25      
9 A2 3121 2980 0.00      
10 A2 1569 1498 0.00      
11 A2 999 954 0.00      
12 A2 129 123 0.00      
13 B1 3127 2986 19.24      
14 B1 1588 1516 24.04      
15 B1 1141 1090 0.00      
16 B1 439 419 5.00      
17 B1 168 160 1.08      
18 B2 3186 3042 9.98      
19 B2 3065 2926 1.53      
20 B2 1568 1497 4.52      
21 B2 1476 1409 20.73      
22 B2 1233 1177 11.89      
23 B2 982 937 1.14      
24 B2 395 377 0.85      

Unscaled Zero Point Vibrational Energy (zpe) 18474.1 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 17639.0 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
0.28671 0.15674 0.10535

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 -0.277
S2 0.000 0.000 1.408
C3 0.000 1.281 -1.087
C4 0.000 -1.281 -1.087
H5 0.000 2.156 -0.435
H6 0.000 -2.156 -0.435
H7 0.886 1.309 -1.736
H8 -0.886 1.309 -1.736
H9 -0.886 -1.309 -1.736
H10 0.886 -1.309 -1.736

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.68511.51521.51522.16172.16172.15092.15092.15092.1509
S21.68512.80452.80452.83622.83623.51873.51873.51873.5187
C31.51522.80452.56101.09173.49781.09821.09822.81302.8130
C41.51522.80452.56103.49781.09172.81302.81301.09821.0982
H52.16172.83621.09173.49784.31191.78701.78703.80593.8059
H62.16172.83623.49781.09174.31193.80593.80591.78701.7870
H72.15093.51871.09822.81301.78703.80591.77173.16182.6188
H82.15093.51871.09822.81301.78703.80591.77172.61883.1618
H92.15093.51872.81301.09823.80591.78703.16182.61881.7717
H102.15093.51872.81301.09823.80591.78702.61883.16181.7717

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.992 C1 C3 H7 109.749
C1 C3 H8 109.749 C1 C4 H6 110.992
C1 C4 H9 109.749 C1 C4 H10 109.749
S2 C1 C3 122.318 S2 C1 C4 122.318
C3 C1 C4 115.365 H5 C3 H7 109.373
H5 C3 H8 109.373 H6 C4 H9 109.373
H6 C4 H10 109.373 H7 C3 H8 107.535
H9 C4 H10 107.535
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability