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

using model chemistry: MP2=FULL/6-311+G(3df,2p)

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=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-477.536643
Energy at 298.15K 
HF Energy-476.796050
Nuclear repulsion energy111.783449
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=FULL/6-311+G(3df,2p)
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 3195 3012 7.23 86.97 0.65 0.79
2 A1 3079 2903 27.68 296.89 0.00 0.00
3 A1 1513 1426 0.59 7.68 0.74 0.85
4 A1 1386 1306 0.24 1.08 0.10 0.19
5 A1 1064 1003 10.25 0.37 0.19 0.32
6 A1 736 694 2.27 18.72 0.06 0.12
7 A1 269 253 0.03 2.74 0.65 0.78
8 A2 3177 2995 0.00 16.64 0.75 0.86
9 A2 1488 1403 0.00 10.59 0.75 0.86
10 A2 973 917 0.00 0.08 0.75 0.86
11 A2 191 180 0.00 0.09 0.75 0.86
12 B1 3168 2986 16.07 114.10 0.75 0.86
13 B1 1498 1412 15.17 0.05 0.75 0.86
14 B1 1007 949 4.45 0.00 0.75 0.86
15 B1 202 190 0.75 0.04 0.75 0.86
16 B2 3196 3013 1.32 41.46 0.75 0.86
17 B2 3085 2908 24.07 2.85 0.75 0.86
18 B2 1504 1418 15.73 0.09 0.75 0.86
19 B2 1362 1284 3.30 0.05 0.75 0.86
20 B2 927 874 0.36 0.22 0.75 0.86
21 B2 791 746 0.00 7.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16903.1 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 15934.6 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 MP2=FULL/6-311+G(3df,2p)
ABC
0.59434 0.25988 0.19407

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.661
C2 0.000 1.355 -0.512
C3 0.000 -1.355 -0.512
H4 0.000 2.281 0.056
H5 0.000 -2.281 0.056
H6 0.889 1.327 -1.137
H7 -0.889 1.327 -1.137
H8 -0.889 -1.327 -1.137
H9 0.889 -1.327 -1.137

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.79261.79262.35972.35972.40572.40572.40572.4057
C21.79262.71091.08583.68041.08721.08722.89472.8947
C31.79262.71093.68041.08582.89472.89471.08721.0872
H42.35971.08583.68044.56171.76741.76743.90313.9031
H52.35973.68041.08584.56173.90313.90311.76741.7674
H62.40571.08722.89471.76743.90311.77763.19512.6549
H72.40571.08722.89471.76743.90311.77762.65493.1951
H82.40572.89471.08723.90311.76743.19512.65491.7776
H92.40572.89471.08723.90311.76742.65493.19511.7776

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 107.578 S1 C2 H6 110.919
S1 C2 H7 110.919 S1 C3 H5 107.578
S1 C3 H8 110.919 S1 C3 H9 110.919
C2 S1 C3 98.250 H4 C2 H6 108.843
H4 C2 H7 108.843 H5 C3 H8 108.843
H5 C3 H9 108.843 H6 C2 H7 109.670
H8 C3 H9 109.670
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability