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

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G2
 hartrees
Energy at 0K-477.371873
Energy at 298.15K-477.365990
HF Energy-476.735334
Nuclear repulsion energy110.937676
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 HF/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3313 3122 17.88 110.89 0.70 0.82
2 A1 3220 3034 37.94 218.28 0.00 0.01
3 A1 1636 1541 0.11 29.36 0.75 0.85
4 A1 1532 1444 4.14 1.12 0.33 0.49
5 A1 1167 1100 17.78 7.87 0.50 0.67
6 A1 754 711 4.41 27.95 0.17 0.29
7 A1 286 270 0.00 2.06 0.61 0.76
8 A2 3300 3109 0.00 13.99 0.75 0.86
9 A2 1613 1520 0.00 40.05 0.75 0.86
10 A2 1060 999 0.00 6.75 0.75 0.86
11 A2 196 184 0.00 0.08 0.75 0.86
12 B1 3297 3106 43.77 125.86 0.75 0.86
13 B1 1623 1529 14.78 0.01 0.75 0.86
14 B1 1095 1032 4.27 5.48 0.75 0.86
15 B1 203 191 1.07 0.01 0.75 0.86
16 B2 3314 3122 9.03 58.12 0.75 0.86
17 B2 3221 3035 39.78 0.18 0.75 0.86
18 B2 1628 1533 16.27 0.00 0.75 0.86
19 B2 1506 1419 10.43 2.59 0.75 0.86
20 B2 1013 955 0.00 2.31 0.75 0.86
21 B2 818 770 0.82 16.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17897.1 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 16862.7 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=FULL/6-31G*
ABC
0.58855 0.25548 0.19110

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.665
C2 0.000 1.367 -0.514
C3 0.000 -1.367 -0.514
H4 0.000 2.297 0.058
H5 0.000 -2.297 0.058
H6 0.892 1.346 -1.145
H7 -0.892 1.346 -1.145
H8 -0.892 -1.346 -1.145
H9 0.892 -1.346 -1.145

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80491.80492.37532.37532.42482.42482.42482.4248
C21.80492.73391.09133.70781.09241.09242.92442.9244
C31.80492.73393.70781.09132.92442.92441.09241.0924
H42.37531.09133.70784.59301.77341.77343.93803.9380
H52.37533.70781.09134.59303.93803.93801.77341.7734
H62.42481.09242.92441.77343.93801.78363.22892.6916
H72.42481.09242.92441.77343.93801.78362.69163.2289
H82.42482.92441.09243.93801.77343.22892.69161.7836
H92.42482.92441.09243.93801.77342.69163.22891.7836

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 107.492 S1 C2 H6 111.147
S1 C2 H7 111.147 S1 C3 H5 107.492
S1 C3 H8 111.147 S1 C3 H9 111.147
C2 S1 C3 100.010 H4 C2 H6 108.731
H4 C2 H7 108.731 H5 C3 H8 108.731
H5 C3 H9 108.731 H6 C2 H7 109.513
H8 C3 H9 109.513
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability