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

using model chemistry: MP2/6-311+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 MP2/6-311+G(3df,2p)
 hartrees
Energy at 0K-477.326043
Energy at 298.15K 
HF Energy-476.796031
Nuclear repulsion energy111.534191
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 MP2/6-311+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 3183 3003 7.65 86.85 0.66 0.79
2 A1 3067 2894 27.61 298.27 0.00 0.00
3 A1 1510 1424 0.54 7.72 0.74 0.85
4 A1 1383 1304 0.32 1.10 0.10 0.18
5 A1 1062 1002 9.95 0.39 0.19 0.32
6 A1 732 691 2.32 19.06 0.07 0.12
7 A1 267 252 0.03 2.77 0.64 0.78
8 A2 3166 2987 0.00 16.65 0.75 0.86
9 A2 1485 1401 0.00 10.63 0.75 0.86
10 A2 971 916 0.00 0.08 0.75 0.86
11 A2 189 179 0.00 0.09 0.75 0.86
12 B1 3157 2978 16.61 114.15 0.75 0.86
13 B1 1495 1411 14.68 0.05 0.75 0.86
14 B1 1004 947 4.19 0.00 0.75 0.86
15 B1 200 189 0.75 0.04 0.75 0.86
16 B2 3184 3004 1.39 41.99 0.75 0.86
17 B2 3073 2899 24.41 2.67 0.75 0.86
18 B2 1502 1417 15.45 0.09 0.75 0.86
19 B2 1359 1282 3.79 0.04 0.75 0.86
20 B2 925 872 0.32 0.23 0.75 0.86
21 B2 787 743 0.01 7.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16849.7 cm-1
Scaled (by 0.9434) Zero Point Vibrational Energy (zpe) 15896.0 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 MP2/6-311+G(3df,2p)
ABC
0.59232 0.25845 0.19311

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.662
C2 0.000 1.359 -0.513
C3 0.000 -1.359 -0.513
H4 0.000 2.285 0.058
H5 0.000 -2.285 0.058
H6 0.890 1.331 -1.139
H7 -0.890 1.331 -1.139
H8 -0.890 -1.331 -1.139
H9 0.890 -1.331 -1.139

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.79701.79702.36402.36402.41052.41052.41052.4105
C21.79702.71901.08753.68911.08881.08882.90272.9027
C31.79702.71903.68911.08752.90272.90271.08881.0888
H42.36401.08753.68914.57061.77041.77043.91223.9122
H52.36403.68911.08754.57063.91223.91221.77041.7704
H62.41051.08882.90271.77043.91221.78053.20342.6630
H72.41051.08882.90271.77043.91221.78052.66303.2034
H82.41052.90271.08883.91221.77043.20342.66301.7805
H92.41052.90271.08883.91221.77042.66303.20341.7805

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 107.517 S1 C2 H6 110.895
S1 C2 H7 110.895 S1 C3 H5 107.517
S1 C3 H8 110.895 S1 C3 H9 110.895
C2 S1 C3 98.315 H4 C2 H6 108.880
H4 C2 H7 108.880 H5 C3 H8 108.880
H5 C3 H9 108.880 H6 C2 H7 109.704
H8 C3 H9 109.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability