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All results from a given calculation for CH3SCH3 (Dimethyl sulfide)

using model chemistry: CCSD/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 CCSD/cc-pVTZ
 hartrees
Energy at 0K-477.383022
Energy at 298.15K 
HF Energy-476.802195
Nuclear repulsion energy110.922424
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 CCSD/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 3160 2974 11.44      
2 A1 3059 2879 29.03      
3 A1 1509 1420 0.33      
4 A1 1387 1305 0.61      
5 A1 1064 1001 9.44      
6 A1 719 676 2.28      
7 A1 266 250 0.03      
8 A2 3143 2958 0.00      
9 A2 1485 1398 0.00      
10 A2 967 910 0.00      
11 A2 175 165 0.00      
12 B1 3137 2952 29.28      
13 B1 1494 1406 12.86      
14 B1 1002 943 3.84      
15 B1 187 176 0.92      
16 B2 3160 2975 4.49      
17 B2 3061 2881 27.01      
18 B2 1501 1413 13.69      
19 B2 1362 1282 6.35      
20 B2 924 870 0.19      
21 B2 773 728 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 16766.9 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 15781.0 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 CCSD/cc-pVTZ
ABC
0.58707 0.25474 0.19049

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.666
C2 0.000 1.371 -0.516
C3 0.000 -1.371 -0.516
H4 0.000 2.296 0.056
H5 0.000 -2.296 0.056
H6 0.890 1.343 -1.142
H7 -0.890 1.343 -1.142
H8 -0.890 -1.343 -1.142
H9 0.890 -1.343 -1.142

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80981.80982.37542.37542.42212.42212.42212.4221
C21.80982.74111.08783.71071.08901.08902.92402.9240
C31.80982.74113.71071.08782.92402.92401.08901.0890
H42.37541.08783.71074.59161.77101.77103.93343.9334
H52.37543.71071.08784.59163.93343.93341.77101.7710
H62.42211.08902.92401.77103.93341.78103.22322.6864
H72.42211.08902.92401.77103.93341.78102.68643.2232
H82.42212.92401.08903.93341.77103.22322.68641.7810
H92.42212.92401.08903.93341.77102.68643.22321.7810

picture of Dimethyl sulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H4 107.502 S1 C2 H6 110.888
S1 C2 H7 110.888 S1 C3 H5 107.502
S1 C3 H8 110.888 S1 C3 H9 110.888
C2 S1 C3 98.456 H4 C2 H6 108.891
H4 C2 H7 108.891 H5 C3 H8 108.891
H5 C3 H9 108.891 H6 C2 H7 109.713
H8 C3 H9 109.713
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability