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All results from a given calculation for CH3CSCH3 (Thioacetone)

using model chemistry: MP2/CEP-31G

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/CEP-31G
 hartrees
Energy at 0K-30.089916
Energy at 298.15K-30.095682
HF Energy-29.794605
Nuclear repulsion energy60.758742
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/CEP-31G
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 3166 3060 12.44      
2 A1 3023 2921 43.37      
3 A1 1523 1472 4.58      
4 A1 1448 1399 6.09      
5 A1 1313 1269 59.20      
6 A1 1032 997 0.05      
7 A1 680 657 0.21      
8 A1 363 350 0.15      
9 A2 3106 3001 0.00      
10 A2 1492 1442 0.00      
11 A2 958 926 0.00      
12 A2 62 60 0.00      
13 B1 3112 3008 78.24      
14 B1 1506 1456 33.39      
15 B1 1103 1066 0.70      
16 B1 437 422 7.37      
17 B1 152 147 0.92      
18 B2 3163 3057 32.34      
19 B2 3019 2918 14.77      
20 B2 1500 1450 6.26      
21 B2 1437 1389 16.77      
22 B2 1242 1201 10.71      
23 B2 967 934 0.19      
24 B2 387 374 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 18096.4 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 17486.6 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/CEP-31G
ABC
0.27554 0.15165 0.10164

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.276
S2 0.000 0.000 1.431
C3 0.000 1.307 -1.106
C4 0.000 -1.307 -1.106
H5 0.000 2.199 -0.452
H6 0.000 -2.199 -0.452
H7 0.897 1.335 -1.765
H8 -0.897 1.335 -1.765
H9 -0.897 -1.335 -1.765
H10 0.897 -1.335 -1.765

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.70731.54851.54852.20612.20612.19182.19182.19182.1918
S21.70732.85442.85442.89512.89513.57833.57833.57833.5783
C31.54852.85442.61441.10633.56681.11341.11342.86682.8668
C41.54852.85442.61443.56681.10632.86682.86681.11341.1134
H52.20612.89511.10633.56684.39811.81031.81033.87523.8752
H62.20612.89513.56681.10634.39813.87523.87521.81031.8103
H72.19183.57831.11342.86681.81033.87521.79383.21612.6693
H82.19183.57831.11342.86681.81033.87521.79382.66933.2161
H92.19183.57832.86681.11343.87521.81033.21612.66931.7938
H102.19183.57832.86681.11343.87521.81032.66933.21611.7938

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 111.305 C1 C3 H7 109.769
C1 C3 H8 109.769 C1 C4 H6 111.305
C1 C4 H9 109.769 C1 C4 H10 109.769
S2 C1 C3 122.420 S2 C1 C4 122.420
C3 C1 C4 115.159 H5 C3 H7 109.291
H5 C3 H8 109.291 H6 C4 H9 109.291
H6 C4 H10 109.291 H7 C3 H8 107.328
H9 C4 H10 107.328
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability