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

using model chemistry: MP2=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-477.295615
Energy at 298.15K 
HF Energy-476.785551
Nuclear repulsion energy110.899081
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/TZVP
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 3206 3054 11.32 98.28 0.69 0.82
2 A1 3088 2942 32.35 289.24 0.00 0.00
3 A1 1508 1437 0.26 20.15 0.75 0.86
4 A1 1416 1349 2.21 1.04 0.28 0.44
5 A1 1074 1023 13.27 8.71 0.43 0.60
6 A1 729 694 2.72 17.68 0.17 0.30
7 A1 269 256 0.00 2.11 0.61 0.76
8 A2 3190 3039 0.00 12.30 0.75 0.86
9 A2 1466 1396 0.00 29.54 0.75 0.86
10 A2 967 921 0.00 7.15 0.75 0.86
11 A2 134 127 0.00 0.36 0.75 0.86
12 B1 3182 3031 30.94 113.52 0.75 0.86
13 B1 1477 1407 14.12 0.52 0.75 0.86
14 B1 1017 969 5.15 4.98 0.75 0.86
15 B1 188 179 1.10 0.20 0.75 0.86
16 B2 3207 3055 4.45 47.68 0.75 0.86
17 B2 3092 2946 26.83 0.11 0.75 0.86
18 B2 1494 1424 15.68 0.02 0.75 0.86
19 B2 1388 1322 5.95 3.52 0.75 0.86
20 B2 937 893 0.00 3.44 0.75 0.86
21 B2 779 742 0.00 9.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16901.9 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 16102.4 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=FULL/TZVP
ABC
0.58098 0.25616 0.19061

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.670
C2 0.000 1.366 -0.520
C3 0.000 -1.366 -0.520
H4 0.000 2.294 0.047
H5 0.000 -2.294 0.047
H6 0.890 1.339 -1.146
H7 -0.890 1.339 -1.146
H8 -0.890 -1.339 -1.146
H9 0.890 -1.339 -1.146

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.81171.81172.37672.37672.42542.42542.42542.4254
C21.81172.73211.08693.70321.08811.08812.91572.9157
C31.81172.73213.70321.08692.91572.91571.08811.0881
H42.37671.08693.70324.58711.76771.76773.92563.9256
H52.37673.70321.08694.58713.92563.92561.76771.7677
H62.42541.08812.91571.76773.92561.77943.21552.6783
H72.42541.08812.91571.76773.92561.77942.67833.2155
H82.42542.91571.08813.92561.76773.21552.67831.7794
H92.42542.91571.08813.92561.76772.67833.21551.7794

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 111.051
S1 C2 H7 111.051 S1 C3 H5 107.517
S1 C3 H8 111.051 S1 C3 H9 111.051
C2 S1 C3 97.880 H4 C2 H6 108.721
H4 C2 H7 108.721 H5 C3 H8 108.721
H5 C3 H9 108.721 H6 C2 H7 109.698
H8 C3 H9 109.698
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability