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

using model chemistry: MP2=FULL/6-311G*

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/6-311G*
 hartrees
Energy at 0K-477.339028
Energy at 298.15K 
HF Energy-476.771341
Nuclear repulsion energy111.151259
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/6-311G*
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 3192 3023 11.29 100.46 0.71 0.83
2 A1 3080 2917 34.84 250.51 0.00 0.00
3 A1 1529 1448 0.26 21.06 0.74 0.85
4 A1 1437 1361 1.30 1.72 0.63 0.77
5 A1 1094 1036 23.91 3.88 0.52 0.69
6 A1 736 698 3.27 15.59 0.16 0.27
7 A1 278 264 0.01 2.54 0.63 0.78
8 A2 3179 3011 0.00 13.74 0.75 0.86
9 A2 1500 1421 0.00 29.03 0.75 0.86
10 A2 998 945 0.00 5.79 0.75 0.86
11 A2 181 171 0.00 0.17 0.75 0.86
12 B1 3171 3003 29.83 125.88 0.75 0.86
13 B1 1513 1433 21.61 0.04 0.75 0.86
14 B1 1041 986 17.57 2.79 0.75 0.86
15 B1 196 186 1.12 0.15 0.75 0.86
16 B2 3193 3024 3.20 48.90 0.75 0.86
17 B2 3084 2921 26.53 0.35 0.75 0.86
18 B2 1519 1439 20.90 0.02 0.75 0.86
19 B2 1411 1336 1.05 4.84 0.75 0.86
20 B2 955 904 0.13 2.08 0.75 0.86
21 B2 789 747 0.00 8.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17037.6 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 16136.3 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/6-311G*
ABC
0.58865 0.25646 0.19165

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.665
C2 0.000 1.364 -0.514
C3 0.000 -1.364 -0.514
H4 0.000 2.293 0.057
H5 0.000 -2.293 0.057
H6 0.892 1.344 -1.143
H7 -0.892 1.344 -1.143
H8 -0.892 -1.344 -1.143
H9 0.892 -1.344 -1.143

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80291.80292.37202.37202.42282.42282.42282.4228
C21.80292.72791.09023.70091.09121.09122.91962.9196
C31.80292.72793.70091.09022.91962.91961.09121.0912
H42.37201.09023.70094.58541.77031.77033.93213.9321
H52.37203.70091.09024.58543.93213.93211.77031.7703
H62.42281.09122.91961.77033.93211.78303.22592.6884
H72.42281.09122.91961.77033.93211.78302.68843.2259
H82.42282.91961.09123.93211.77033.22592.68841.7830
H92.42282.91961.09123.93211.77032.68843.22591.7830

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 107.580 S1 C2 H6 111.296
S1 C2 H7 111.296 S1 C3 H5 107.580
S1 C3 H8 111.296 S1 C3 H9 111.296
C2 S1 C3 98.321 H4 C2 H6 108.496
H4 C2 H7 108.496 H5 C3 H8 108.496
H5 C3 H9 108.496 H6 C2 H7 109.575
H8 C3 H9 109.575
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability