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

using model chemistry: MP2/aug-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 MP2/aug-cc-pVTZ
 hartrees
Energy at 0K-477.352423
Energy at 298.15K 
HF Energy-476.803382
Nuclear repulsion energy111.250398
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/aug-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 3181 3031 7.64 87.28 0.68 0.81
2 A1 3065 2920 28.21 345.97 0.00 0.00
3 A1 1507 1436 0.57 7.21 0.75 0.86
4 A1 1375 1310 0.37 1.10 0.09 0.16
5 A1 1062 1012 9.06 0.27 0.13 0.23
6 A1 725 691 2.37 20.10 0.07 0.13
7 A1 265 252 0.03 2.97 0.65 0.79
8 A2 3165 3016 0.00 16.53 0.75 0.86
9 A2 1483 1413 0.00 9.85 0.75 0.86
10 A2 970 924 0.00 0.07 0.75 0.86
11 A2 188 179 0.00 0.09 0.75 0.86
12 B1 3156 3007 16.46 115.77 0.75 0.86
13 B1 1493 1423 13.88 0.02 0.75 0.86
14 B1 1004 957 3.95 0.02 0.75 0.86
15 B1 195 186 0.70 0.07 0.75 0.86
16 B2 3182 3032 1.55 42.17 0.75 0.86
17 B2 3071 2926 23.38 3.08 0.75 0.86
18 B2 1499 1428 14.49 0.06 0.75 0.86
19 B2 1352 1288 4.49 0.05 0.75 0.86
20 B2 927 884 0.25 0.10 0.75 0.86
21 B2 777 741 0.04 7.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16820.0 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 16027.8 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/aug-cc-pVTZ
ABC
0.58527 0.25801 0.19215

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.667
C2 0.000 1.361 -0.517
C3 0.000 -1.361 -0.517
H4 0.000 2.289 0.051
H5 0.000 -2.289 0.051
H6 0.892 1.326 -1.142
H7 -0.892 1.326 -1.142
H8 -0.892 -1.326 -1.142
H9 0.892 -1.326 -1.142

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80461.80462.36992.36992.41352.41352.41352.4135
C21.80462.72291.08773.69401.08881.08882.89972.8997
C31.80462.72293.69401.08772.89972.89971.08881.0888
H42.36991.08773.69404.57701.77311.77313.90963.9096
H52.36993.69401.08774.57703.90963.90961.77311.7731
H62.41351.08882.89971.77313.90961.78303.19622.6527
H72.41351.08882.89971.77313.90961.78302.65273.1962
H82.41352.89971.08883.90961.77313.19622.65271.7830
H92.41352.89971.08883.90961.77312.65273.19621.7830

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 107.438 S1 C2 H6 110.605
S1 C2 H7 110.605 S1 C3 H5 107.438
S1 C3 H8 110.605 S1 C3 H9 110.605
C2 S1 C3 97.949 H4 C2 H6 109.105
H4 C2 H7 109.105 H5 C3 H8 109.105
H5 C3 H9 109.105 H6 C2 H7 109.925
H8 C3 H9 109.925
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability