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: B1B95/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/aug-cc-pVTZ
 hartrees
Energy at 0K-478.051850
Energy at 298.15K 
HF Energy-478.051850
Nuclear repulsion energy111.370806
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 B1B95/aug-cc-pVTZ
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 3159 3028 10.30 95.94 0.65 0.79
2 A1 3054 2927 33.43 358.85 0.00 0.00
3 A1 1484 1423 0.76 7.83 0.75 0.86
4 A1 1359 1303 0.29 0.56 0.29 0.45
5 A1 1050 1006 10.11 0.30 0.16 0.27
6 A1 715 686 2.75 17.95 0.08 0.15
7 A1 255 245 0.05 3.28 0.64 0.78
8 A2 3139 3009 0.00 22.36 0.75 0.86
9 A2 1461 1401 0.00 10.95 0.75 0.86
10 A2 951 912 0.00 0.16 0.75 0.86
11 A2 185 178 0.00 0.12 0.75 0.86
12 B1 3131 3001 24.38 133.35 0.75 0.86
13 B1 1470 1409 14.67 0.03 0.75 0.86
14 B1 987 946 4.29 0.01 0.75 0.86
15 B1 179 171 0.92 0.06 0.75 0.86
16 B2 3160 3029 2.33 50.52 0.75 0.86
17 B2 3058 2931 28.21 5.98 0.75 0.86
18 B2 1477 1415 16.00 0.18 0.75 0.86
19 B2 1336 1280 3.73 0.27 0.75 0.86
20 B2 909 871 0.37 0.24 0.75 0.86
21 B2 769 737 0.02 6.69 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16643.0 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 15952.3 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 B1B95/aug-cc-pVTZ
ABC
0.60044 0.25471 0.19183

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.656
C2 0.000 1.371 -0.509
C3 0.000 -1.371 -0.509
H4 0.000 2.287 0.073
H5 0.000 -2.287 0.073
H6 0.890 1.351 -1.134
H7 -0.890 1.351 -1.134
H8 -0.890 -1.351 -1.134
H9 0.890 -1.351 -1.134

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.79921.79922.36062.36062.41302.41302.41302.4130
C21.79922.74131.08593.70401.08721.08722.93092.9309
C31.79922.74133.70401.08592.93092.93091.08721.0872
H42.36061.08593.70404.57471.76761.76763.93543.9354
H52.36063.70401.08594.57473.93543.93541.76761.7676
H62.41301.08722.93091.76763.93541.77913.23552.7024
H72.41301.08722.93091.76763.93541.77912.70243.2355
H82.41302.93091.08723.93541.76763.23552.70241.7791
H92.41302.93091.08723.93541.76762.70243.23551.7791

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 107.206 S1 C2 H6 111.018
S1 C2 H7 111.018 S1 C3 H5 107.206
S1 C3 H8 111.018 S1 C3 H9 111.018
C2 S1 C3 99.249 H4 C2 H6 108.856
H4 C2 H7 108.856 H5 C3 H8 108.856
H5 C3 H9 108.856 H6 C2 H7 109.804
H8 C3 H9 109.804
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.036      
2 C -0.887      
3 C -0.887      
4 H 0.289      
5 H 0.289      
6 H 0.308      
7 H 0.308      
8 H 0.308      
9 H 0.308      


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 -1.605 1.605
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.595 0.000 0.000
y 0.000 -24.073 0.000
z 0.000 0.000 -28.391
Traceless
 xyz
x -2.363 0.000 0.000
y 0.000 4.419 0.000
z 0.000 0.000 -2.057
Polar
3z2-r2-4.113
x2-y2-4.521
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.234 0.000 0.000
y 0.000 8.448 0.000
z 0.000 0.000 7.196


<r2> (average value of r2) Å2
<r2> 75.510
(<r2>)1/2 8.690