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: PBEPBE/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 PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-477.766774
Energy at 298.15K 
HF Energy-477.766774
Nuclear repulsion energy110.478163
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 PBEPBE/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 3066 3029 11.15 105.75 0.63 0.78
2 A1 2960 2924 34.27 360.12 0.00 0.00
3 A1 1433 1416 0.31 14.70 0.74 0.85
4 A1 1311 1295 0.37 1.05 0.27 0.43
5 A1 1015 1003 10.95 3.48 0.32 0.49
6 A1 681 673 2.62 11.75 0.15 0.27
7 A1 255 252 0.09 3.06 0.61 0.76
8 A2 3041 3004 0.00 23.17 0.75 0.86
9 A2 1408 1391 0.00 19.89 0.75 0.86
10 A2 916 905 0.00 3.72 0.75 0.86
11 A2 185 183 0.00 0.22 0.75 0.86
12 B1 3032 2995 31.77 131.62 0.75 0.86
13 B1 1417 1400 14.97 0.66 0.75 0.86
14 B1 954 942 6.18 1.76 0.75 0.86
15 B1 178 176 1.22 0.21 0.75 0.86
16 B2 3067 3030 2.14 56.37 0.75 0.86
17 B2 2963 2927 29.27 5.43 0.75 0.86
18 B2 1425 1408 18.13 0.47 0.75 0.86
19 B2 1287 1272 3.88 2.73 0.75 0.86
20 B2 877 867 0.35 2.25 0.75 0.86
21 B2 731 722 0.06 5.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16100.6 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 15905.8 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 PBEPBE/Def2TZVPP
ABC
0.59359 0.25015 0.18881

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.659
C2 0.000 1.382 -0.511
C3 0.000 -1.382 -0.511
H4 0.000 2.305 0.082
H5 0.000 -2.305 0.082
H6 0.898 1.369 -1.144
H7 -0.898 1.369 -1.144
H8 -0.898 -1.369 -1.144
H9 0.898 -1.369 -1.144

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.81141.81142.37612.37612.43552.43552.43552.4355
C21.81142.76501.09703.73491.09871.09872.96292.9629
C31.81142.76503.73491.09702.96292.96291.09871.0987
H42.37611.09703.73494.61001.78481.78483.97613.9761
H52.37613.73491.09704.61003.97613.97611.78481.7848
H62.43551.09872.96291.78483.97611.79683.27532.7385
H72.43551.09872.96291.78483.97611.79682.73853.2753
H82.43552.96291.09873.97611.78483.27532.73851.7968
H92.43552.96291.09873.97611.78482.73853.27531.7968

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 106.987 S1 C2 H6 111.262
S1 C2 H7 111.262 S1 C3 H5 106.987
S1 C3 H8 111.262 S1 C3 H9 111.262
C2 S1 C3 99.495 H4 C2 H6 108.757
H4 C2 H7 108.757 H5 C3 H8 108.757
H5 C3 H9 108.757 H6 C2 H7 109.716
H8 C3 H9 109.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.115      
2 C -0.273      
3 C -0.273      
4 H 0.116      
5 H 0.116      
6 H 0.107      
7 H 0.107      
8 H 0.107      
9 H 0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.513 1.513
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.714 0.000 0.000
y 0.000 -24.268 0.000
z 0.000 0.000 -28.437
Traceless
 xyz
x -2.361 0.000 0.000
y 0.000 4.307 0.000
z 0.000 0.000 -1.946
Polar
3z2-r2-3.892
x2-y2-4.445
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.563 0.000 0.000
y 0.000 8.339 0.000
z 0.000 0.000 6.785


<r2> (average value of r2) Å2
<r2> 76.574
(<r2>)1/2 8.751