return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2=FULL/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=FULL/Def2TZVPP
 hartrees
Energy at 0K-477.534899
Energy at 298.15K 
HF Energy-476.799155
Nuclear repulsion energy111.719158
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/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 3186 3186 7.85 93.30 0.68 0.81
2 A1 3072 3072 27.32 308.56 0.00 0.00
3 A1 1505 1505 0.42 12.99 0.75 0.86
4 A1 1377 1377 0.37 0.22 0.64 0.78
5 A1 1059 1059 9.93 3.24 0.31 0.47
6 A1 731 731 2.50 15.21 0.13 0.23
7 A1 266 266 0.03 2.39 0.64 0.78
8 A2 3170 3170 0.00 14.18 0.75 0.86
9 A2 1478 1478 0.00 17.09 0.75 0.86
10 A2 964 964 0.00 2.42 0.75 0.86
11 A2 184 184 0.00 0.16 0.75 0.86
12 B1 3161 3161 20.77 107.72 0.75 0.86
13 B1 1488 1488 15.18 0.47 0.75 0.86
14 B1 1001 1001 4.81 1.35 0.75 0.86
15 B1 196 196 0.94 0.19 0.75 0.86
16 B2 3188 3188 1.78 44.22 0.75 0.86
17 B2 3077 3077 22.96 1.00 0.75 0.86
18 B2 1496 1496 15.48 0.09 0.75 0.86
19 B2 1353 1353 4.10 0.83 0.75 0.86
20 B2 920 920 0.23 1.24 0.75 0.86
21 B2 784 784 0.00 6.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16827.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16827.0 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=FULL/Def2TZVPP
ABC
0.59180 0.25991 0.19380

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.663
C2 0.000 1.356 -0.514
C3 0.000 -1.356 -0.514
H4 0.000 2.280 0.055
H5 0.000 -2.280 0.055
H6 0.888 1.326 -1.138
H7 -0.888 1.326 -1.138
H8 -0.888 -1.326 -1.138
H9 0.888 -1.326 -1.138

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.79521.79522.35942.35942.40652.40652.40652.4065
C21.79522.71151.08483.67961.08591.08592.89332.8933
C31.79522.71153.67961.08482.89332.89331.08591.0859
H42.35941.08483.67964.55931.76641.76643.90043.9004
H52.35943.67961.08484.55933.90043.90041.76641.7664
H62.40651.08592.89331.76643.90041.77633.19232.6524
H72.40651.08592.89331.76643.90041.77632.65243.1923
H82.40652.89331.08593.90041.76643.19232.65241.7763
H92.40652.89331.08593.90041.76642.65243.19231.7763

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 107.437 S1 C2 H6 110.870
S1 C2 H7 110.870 S1 C3 H5 107.437
S1 C3 H8 110.870 S1 C3 H9 110.870
C2 S1 C3 98.084 H4 C2 H6 108.928
H4 C2 H7 108.928 H5 C3 H8 108.928
H5 C3 H9 108.928 H6 C2 H7 109.740
H8 C3 H9 109.740
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability