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

using model chemistry: mPW1PW91/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 mPW1PW91/TZVP
 hartrees
Energy at 0K-478.047052
Energy at 298.15K 
HF Energy-478.047052
Nuclear repulsion energy110.652203
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 mPW1PW91/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 3165 3019 10.57 102.93 0.67 0.80
2 A1 3058 2917 33.49 314.31 0.00 0.00
3 A1 1491 1422 1.07 20.18 0.75 0.86
4 A1 1379 1315 1.36 1.60 0.12 0.22
5 A1 1060 1012 16.27 8.52 0.40 0.57
6 A1 709 676 3.49 16.28 0.19 0.32
7 A1 262 250 0.04 2.48 0.59 0.74
8 A2 3146 3001 0.00 17.26 0.75 0.86
9 A2 1465 1398 0.00 29.92 0.75 0.86
10 A2 956 912 0.00 6.99 0.75 0.86
11 A2 179 171 0.00 0.27 0.75 0.86
12 B1 3139 2994 31.77 124.20 0.75 0.86
13 B1 1474 1407 18.11 0.61 0.75 0.86
14 B1 995 950 7.51 4.79 0.75 0.86
15 B1 184 175 1.42 0.22 0.75 0.86
16 B2 3166 3020 3.00 55.84 0.75 0.86
17 B2 3061 2920 28.70 1.29 0.75 0.86
18 B2 1482 1414 19.79 0.11 0.75 0.86
19 B2 1353 1291 2.94 4.39 0.75 0.86
20 B2 919 876 0.09 4.44 0.75 0.86
21 B2 761 726 0.01 8.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16700.5 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 15932.3 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 mPW1PW91/TZVP
ABC
0.59465 0.25051 0.18893

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.660
C2 0.000 1.383 -0.512
C3 0.000 -1.383 -0.512
H4 0.000 2.299 0.075
H5 0.000 -2.299 0.075
H6 0.892 1.369 -1.139
H7 -0.892 1.369 -1.139
H8 -0.892 -1.369 -1.139
H9 0.892 -1.369 -1.139

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.81241.81242.37262.37262.42962.42962.42962.4296
C21.81242.76521.08873.72851.09001.09002.95922.9592
C31.81242.76523.72851.08872.95922.95921.09001.0900
H42.37261.08873.72854.59881.77061.77063.96523.9652
H52.37263.72851.08874.59883.96523.96521.77061.7706
H62.42961.09002.95921.77063.96521.78353.26692.7371
H72.42961.09002.95921.77063.96521.78352.73713.2669
H82.42962.95921.09003.96521.77063.26692.73711.7835
H92.42962.95921.09003.96521.77062.73713.26691.7835

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 107.077 S1 C2 H6 111.216
S1 C2 H7 111.216 S1 C3 H5 107.077
S1 C3 H8 111.216 S1 C3 H9 111.216
C2 S1 C3 99.432 H4 C2 H6 108.718
H4 C2 H7 108.718 H5 C3 H8 108.718
H5 C3 H9 108.718 H6 C2 H7 109.796
H8 C3 H9 109.796
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.046      
2 C -0.398      
3 C -0.398      
4 H 0.146      
5 H 0.146      
6 H 0.138      
7 H 0.138      
8 H 0.138      
9 H 0.138      


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 -1.688 1.688
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.573 0.000 0.000
y 0.000 -23.923 0.000
z 0.000 0.000 -28.368
Traceless
 xyz
x -2.427 0.000 0.000
y 0.000 4.548 0.000
z 0.000 0.000 -2.120
Polar
3z2-r2-4.240
x2-y2-4.650
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.878 0.000 0.000
y 0.000 7.503 0.000
z 0.000 0.000 6.108


<r2> (average value of r2) Å2
<r2> 76.332
(<r2>)1/2 8.737