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

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-475.536454
Energy at 298.15K 
HF Energy-475.536454
Nuclear repulsion energy105.956429
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 BLYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3099 3082 9.98 90.01 0.70 0.82
2 A1 3000 2983 21.98 212.33 0.00 0.01
3 A1 1511 1502 0.79 34.73 0.74 0.85
4 A1 1359 1352 2.22 3.19 0.20 0.33
5 A1 1033 1028 19.36 12.19 0.67 0.80
6 A1 590 586 3.89 21.50 0.18 0.30
7 A1 232 231 0.15 3.49 0.64 0.78
8 A2 3089 3072 0.00 11.02 0.75 0.86
9 A2 1496 1487 0.00 48.49 0.75 0.86
10 A2 931 926 0.00 12.61 0.75 0.86
11 A2 159 158 0.00 0.08 0.75 0.86
12 B1 3086 3069 32.76 98.60 0.75 0.86
13 B1 1505 1497 20.70 0.01 0.75 0.86
14 B1 964 959 11.47 10.71 0.75 0.86
15 B1 152 151 1.01 0.05 0.75 0.86
16 B2 3100 3083 3.22 47.76 0.75 0.86
17 B2 3002 2985 19.60 0.01 0.75 0.86
18 B2 1502 1494 20.22 0.02 0.75 0.86
19 B2 1332 1325 7.44 3.81 0.75 0.86
20 B2 912 907 0.47 3.25 0.75 0.86
21 B2 628 625 2.10 12.50 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16339.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 16249.5 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 BLYP/3-21G
ABC
0.53011 0.23003 0.17121

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.704
C2 0.000 1.453 -0.556
C3 0.000 -1.453 -0.556
H4 0.000 2.370 0.048
H5 0.000 -2.370 0.048
H6 0.906 1.404 -1.174
H7 -0.906 1.404 -1.174
H8 -0.906 -1.404 -1.174
H9 0.906 -1.404 -1.174

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.92341.92342.45952.45952.51402.51402.51402.5140
C21.92342.90691.09773.87121.09821.09823.06093.0609
C31.92342.90693.87121.09773.06093.06091.09821.0982
H42.45951.09773.87124.74071.80221.80224.06954.0695
H52.45953.87121.09774.74074.06954.06951.80221.8022
H62.51401.09823.06091.80224.06951.81233.34232.8082
H72.51401.09823.06091.80224.06951.81232.80823.3423
H82.51403.06091.09824.06951.80223.34232.80821.8123
H92.51403.06091.09824.06951.80222.80823.34231.8123

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 105.729 S1 C2 H6 109.565
S1 C2 H7 109.565 S1 C3 H5 105.729
S1 C3 H8 109.565 S1 C3 H9 109.565
C2 S1 C3 98.167 H4 C2 H6 110.313
H4 C2 H7 110.313 H5 C3 H8 110.313
H5 C3 H9 110.313 H6 C2 H7 111.205
H8 C3 H9 111.205
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.197      
2 C -0.736      
3 C -0.736      
4 H 0.219      
5 H 0.219      
6 H 0.209      
7 H 0.209      
8 H 0.209      
9 H 0.209      


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 -1.871 1.871
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.773 0.000 0.000
y 0.000 -23.974 0.000
z 0.000 0.000 -28.563
Traceless
 xyz
x -2.505 0.000 0.000
y 0.000 4.694 0.000
z 0.000 0.000 -2.189
Polar
3z2-r2-4.379
x2-y2-4.799
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.875 0.000 0.000
y 0.000 7.051 0.000
z 0.000 0.000 5.509


<r2> (average value of r2) Å2
<r2> 81.842
(<r2>)1/2 9.047