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All results from a given calculation for CH3CSCH3 (Thioacetone)

using model chemistry: QCISD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/cc-pVTZ
 hartrees
Energy at 0K-515.398429
Energy at 298.15K-515.404296
HF Energy-514.670263
Nuclear repulsion energy152.776009
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 QCISD/cc-pVTZ
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 3175 3034 3.63      
2 A1 3048 2912 20.35      
3 A1 1514 1446 0.02      
4 A1 1419 1356 3.63      
5 A1 1324 1265 110.89      
6 A1 1035 989 3.09      
7 A1 714 682 0.38      
8 A1 370 354 0.47      
9 A2 3099 2961 0.00      
10 A2 1490 1424 0.00      
11 A2 937 896 0.00      
12 A2 84 81 0.00      
13 B1 3105 2967 20.05      
14 B1 1511 1444 17.28      
15 B1 1089 1040 0.38      
16 B1 442 423 1.42      
17 B1 162 155 0.34      
18 B2 3173 3032 8.67      
19 B2 3041 2906 2.90      
20 B2 1482 1416 5.24      
21 B2 1411 1349 15.63      
22 B2 1240 1185 5.84      
23 B2 949 906 1.57      
24 B2 385 368 1.59      

Unscaled Zero Point Vibrational Energy (zpe) 18100.0 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 17294.6 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 QCISD/cc-pVTZ
ABC
0.29298 0.16343 0.10913

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.253
S2 0.000 0.000 1.377
C3 0.000 1.266 -1.065
C4 0.000 -1.266 -1.065
H5 0.000 2.147 -0.430
H6 0.000 -2.147 -0.430
H7 0.878 1.286 -1.716
H8 -0.878 1.286 -1.716
H9 -0.878 -1.286 -1.716
H10 0.878 -1.286 -1.716

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.62941.50441.50442.15422.15422.13652.13652.13652.1365
S21.62942.75052.75052.80612.80613.46253.46253.46253.4625
C31.50442.75052.53251.08563.47161.09301.09302.77602.7760
C41.50442.75052.53253.47161.08562.77602.77601.09301.0930
H52.15422.80611.08563.47164.29371.77921.77923.76903.7690
H62.15422.80613.47161.08564.29373.76903.76901.77921.7792
H72.13653.46251.09302.77601.77923.76901.75533.11322.5712
H82.13653.46251.09302.77601.77923.76901.75532.57123.1132
H92.13653.46252.77601.09303.76901.77923.11322.57121.7553
H102.13653.46252.77601.09303.76901.77922.57123.11321.7553

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 111.535 C1 C3 H7 109.668
C1 C3 H8 109.668 C1 C4 H6 111.535
C1 C4 H9 109.668 C1 C4 H10 109.668
S2 C1 C3 122.680 S2 C1 C4 122.680
C3 C1 C4 114.640 H5 C3 H7 109.511
H5 C3 H8 109.511 H6 C4 H9 109.511
H6 C4 H10 109.511 H7 C3 H8 106.832
H9 C4 H10 106.832
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability