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

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-477.337115
Energy at 298.15K 
HF Energy-476.799103
Nuclear repulsion energy111.490868
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/Def2TZVPP
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 3033 8.30 93.97 0.68 0.81
2 A1 3073 2924 27.40 310.50 0.00 0.00
3 A1 1503 1430 0.39 13.12 0.75 0.86
4 A1 1376 1309 0.42 0.21 0.65 0.79
5 A1 1058 1007 9.68 3.31 0.32 0.48
6 A1 727 692 2.52 15.43 0.13 0.23
7 A1 265 252 0.03 2.40 0.64 0.78
8 A2 3172 3018 0.00 14.16 0.75 0.86
9 A2 1477 1405 0.00 17.24 0.75 0.86
10 A2 963 916 0.00 2.48 0.75 0.86
11 A2 184 175 0.00 0.16 0.75 0.86
12 B1 3163 3010 21.52 108.30 0.75 0.86
13 B1 1486 1414 14.84 0.47 0.75 0.86
14 B1 999 951 4.61 1.38 0.75 0.86
15 B1 195 185 0.93 0.19 0.75 0.86
16 B2 3189 3034 1.88 44.60 0.75 0.86
17 B2 3078 2929 23.30 0.91 0.75 0.86
18 B2 1494 1422 15.17 0.08 0.75 0.86
19 B2 1351 1286 4.54 0.86 0.75 0.86
20 B2 919 875 0.20 1.23 0.75 0.86
21 B2 780 742 0.00 7.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16820.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 16004.4 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/Def2TZVPP
ABC
0.58938 0.25884 0.19300

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.664
C2 0.000 1.359 -0.515
C3 0.000 -1.359 -0.515
H4 0.000 2.285 0.054
H5 0.000 -2.285 0.054
H6 0.890 1.328 -1.140
H7 -0.890 1.328 -1.140
H8 -0.890 -1.328 -1.140
H9 0.890 -1.328 -1.140

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.79901.79902.36482.36482.41102.41102.41102.4110
C21.79902.71721.08693.68751.08801.08802.89872.8987
C31.79902.71723.68751.08692.89872.89871.08801.0880
H42.36481.08693.68754.56941.77001.77003.90803.9080
H52.36483.68751.08694.56943.90803.90801.77001.7700
H62.41101.08802.89871.77003.90801.77973.19772.6567
H72.41101.08802.89871.77003.90801.77972.65673.1977
H82.41102.89871.08803.90801.77003.19772.65671.7797
H92.41102.89871.08803.90801.77002.65673.19771.7797

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 107.478 S1 C2 H6 110.840
S1 C2 H7 110.840 S1 C3 H5 107.478
S1 C3 H8 110.840 S1 C3 H9 110.840
C2 S1 C3 98.085 H4 C2 H6 108.938
H4 C2 H7 108.938 H5 C3 H8 108.938
H5 C3 H9 108.938 H6 C2 H7 109.740
H8 C3 H9 109.740
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability