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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-477.156910
Energy at 298.15K 
HF Energy-476.734865
Nuclear repulsion energy110.722216
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 MP3/6-31G*
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 3213 3016 11.08      
2 A1 3110 2919 27.82      
3 A1 1550 1455 0.13      
4 A1 1453 1363 1.45      
5 A1 1104 1037 19.22      
6 A1 737 692 2.58      
7 A1 281 264 0.02      
8 A2 3198 3002 0.00      
9 A2 1522 1429 0.00      
10 A2 1009 947 0.00      
11 A2 183 171 0.00      
12 B1 3192 2996 29.27      
13 B1 1533 1439 17.69      
14 B1 1046 982 7.47      
15 B1 189 177 1.00      
16 B2 3214 3017 4.31      
17 B2 3113 2922 22.13      
18 B2 1541 1447 18.72      
19 B2 1428 1341 2.85      
20 B2 965 905 0.12      
21 B2 794 745 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 17186.4 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 16131.1 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 MP3/6-31G*
ABC
0.58758 0.25331 0.18979

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.665
C2 0.000 1.374 -0.515
C3 0.000 -1.374 -0.515
H4 0.000 2.302 0.059
H5 0.000 -2.302 0.059
H6 0.892 1.353 -1.146
H7 -0.892 1.353 -1.146
H8 -0.892 -1.353 -1.146
H9 0.892 -1.353 -1.146

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.81061.81062.38042.38042.42982.42982.42982.4298
C21.81062.74711.09183.72031.09301.09302.93712.9371
C31.81062.74713.72031.09182.93712.93711.09301.0930
H42.38041.09183.72034.60431.77471.77473.95053.9505
H52.38043.72031.09184.60433.95053.95051.77471.7747
H62.42981.09302.93711.77473.95051.78463.24102.7054
H72.42981.09302.93711.77473.95051.78462.70543.2410
H82.42982.93711.09303.95051.77473.24102.70541.7846
H92.42982.93711.09303.95051.77472.70543.24101.7846

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 107.610 S1 C2 H6 111.196
S1 C2 H7 111.196 S1 C3 H5 107.610
S1 C3 H8 111.196 S1 C3 H9 111.196
C2 S1 C3 98.684 H4 C2 H6 108.649
H4 C2 H7 108.649 H5 C3 H8 108.649
H5 C3 H9 108.649 H6 C2 H7 109.456
H8 C3 H9 109.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability