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: B2PLYP=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 B2PLYP=FULL/TZVP
 hartrees
Energy at 0K-477.824743
Energy at 298.15K 
HF Energy-477.658447
Nuclear repulsion energy110.337844
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 B2PLYP=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 3166 3021 12.82 104.06 0.68 0.81
2 A1 3062 2922 35.06 305.71 0.00 0.00
3 A1 1504 1435 0.60 20.43 0.75 0.86
4 A1 1397 1333 2.24 0.99 0.13 0.23
5 A1 1066 1018 13.98 8.85 0.42 0.59
6 A1 698 666 3.10 18.86 0.18 0.31
7 A1 264 252 0.01 2.46 0.60 0.75
8 A2 3148 3004 0.00 15.36 0.75 0.86
9 A2 1474 1406 0.00 29.74 0.75 0.86
10 A2 962 917 0.00 7.62 0.75 0.86
11 A2 165 157 0.00 0.30 0.75 0.86
12 B1 3141 2997 36.23 122.96 0.75 0.86
13 B1 1483 1416 15.61 0.57 0.75 0.86
14 B1 1004 958 5.81 4.95 0.75 0.86
15 B1 183 175 1.18 0.23 0.75 0.86
16 B2 3167 3022 5.05 54.43 0.75 0.86
17 B2 3065 2925 30.08 0.56 0.75 0.86
18 B2 1495 1426 17.47 0.07 0.75 0.86
19 B2 1371 1308 5.91 3.39 0.75 0.86
20 B2 928 885 0.00 3.90 0.75 0.86
21 B2 749 714 0.05 10.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16745.3 cm-1
Scaled (by 0.9542) Zero Point Vibrational Energy (zpe) 15978.4 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 B2PLYP=FULL/TZVP
ABC
0.58502 0.25034 0.18781

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.667
C2 0.000 1.384 -0.518
C3 0.000 -1.384 -0.518
H4 0.000 2.303 0.062
H5 0.000 -2.303 0.062
H6 0.891 1.363 -1.144
H7 -0.891 1.363 -1.144
H8 -0.891 -1.363 -1.144
H9 0.891 -1.363 -1.144

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.82161.82162.38142.38142.43482.43482.43482.4348
C21.82162.76761.08743.73261.08861.08862.95462.9546
C31.82162.76763.73261.08742.95462.95461.08861.0886
H42.38141.08743.73264.60691.76971.76973.96113.9611
H52.38143.73261.08744.60693.96113.96111.76971.7697
H62.43481.08862.95461.76973.96111.78133.25642.7260
H72.43481.08862.95461.76973.96111.78132.72603.2564
H82.43482.95461.08863.96111.76973.25642.72601.7813
H92.43482.95461.08863.96111.76972.72603.25641.7813

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 107.185 S1 C2 H6 111.054
S1 C2 H7 111.054 S1 C3 H5 107.185
S1 C3 H8 111.054 S1 C3 H9 111.054
C2 S1 C3 98.867 H4 C2 H6 108.833
H4 C2 H7 108.833 H5 C3 H8 108.833
H5 C3 H9 108.833 H6 C2 H7 109.797
H8 C3 H9 109.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability