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

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-477.208178
Energy at 298.15K-477.214357
HF Energy-476.744826
Nuclear repulsion energy110.939440
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 MP3/6-31+G**
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 3252 3026 13.18      
2 A1 3142 2924 29.40      
3 A1 1555 1447 0.00      
4 A1 1452 1351 2.69      
5 A1 1101 1025 16.59      
6 A1 738 686 2.25      
7 A1 280 260 0.00      
8 A2 3236 3011 0.00      
9 A2 1525 1419 0.00      
10 A2 1007 937 0.00      
11 A2 177 165 0.00      
12 B1 3230 3005 33.73      
13 B1 1536 1429 13.29      
14 B1 1044 972 5.48      
15 B1 187 174 0.86      
16 B2 3253 3027 5.47      
17 B2 3145 2927 24.04      
18 B2 1546 1439 16.22      
19 B2 1427 1328 6.30      
20 B2 960 894 0.03      
21 B2 793 738 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 17292.7 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 16090.8 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 MP3/6-31+G**
ABC
0.58856 0.25435 0.19034

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.665
C2 0.000 1.370 -0.516
C3 0.000 -1.370 -0.516
H4 0.000 2.291 0.061
H5 0.000 -2.291 0.061
H6 0.888 1.352 -1.143
H7 -0.888 1.352 -1.143
H8 -0.888 -1.352 -1.143
H9 0.888 -1.352 -1.143

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80881.80882.36892.36892.42622.42622.42622.4262
C21.80882.74071.08623.70621.08771.08772.93182.9318
C31.80882.74073.70621.08622.93182.93181.08771.0877
H42.36891.08623.70624.58141.76651.76653.93833.9383
H52.36893.70621.08624.58143.93833.93831.76651.7665
H62.42621.08772.93181.76653.93831.77663.23572.7044
H72.42621.08772.93181.76653.93831.77662.70443.2357
H82.42622.93181.08773.93831.76653.23572.70441.7766
H92.42622.93181.08773.93831.76652.70443.23571.7766

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 107.170 S1 C2 H6 111.338
S1 C2 H7 111.338 S1 C3 H5 107.170
S1 C3 H8 111.338 S1 C3 H9 111.338
C2 S1 C3 98.511 H4 C2 H6 108.698
H4 C2 H7 108.698 H5 C3 H8 108.698
H5 C3 H9 108.698 H6 C2 H7 109.503
H8 C3 H9 109.503
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability