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

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-89.911159
Energy at 298.15K 
HF Energy-89.911159
Nuclear repulsion energy60.894010
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 B3LYP/LANL2DZ
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 3186 3062 21.13 91.05 0.70 0.82
2 A1 3062 2943 34.11 279.23 0.00 0.01
3 A1 1510 1451 2.52 27.39 0.73 0.85
4 A1 1399 1345 0.02 0.15 0.52 0.68
5 A1 1074 1033 27.88 14.34 0.59 0.74
6 A1 641 616 2.41 37.54 0.15 0.26
7 A1 248 238 0.31 3.10 0.64 0.78
8 A2 3173 3050 0.00 11.17 0.75 0.86
9 A2 1489 1431 0.00 33.38 0.75 0.86
10 A2 971 933 0.00 15.02 0.75 0.86
11 A2 150 144 0.00 0.32 0.75 0.86
12 B1 3170 3047 67.30 92.02 0.75 0.86
13 B1 1499 1441 28.18 0.16 0.75 0.86
14 B1 1009 970 18.03 9.07 0.75 0.86
15 B1 159 153 1.16 0.30 0.75 0.86
16 B2 3185 3062 8.56 52.20 0.75 0.86
17 B2 3064 2945 40.34 0.00 0.75 0.86
18 B2 1501 1443 20.24 0.00 0.75 0.86
19 B2 1373 1320 0.22 0.84 0.75 0.86
20 B2 943 907 0.71 3.67 0.75 0.86
21 B2 691 664 0.41 19.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16748.3 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 16098.5 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 B3LYP/LANL2DZ
ABC
0.55314 0.23510 0.17618

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.688
C2 0.000 1.434 -0.539
C3 0.000 -1.434 -0.539
H4 0.000 2.353 0.054
H5 0.000 -2.353 0.054
H6 0.898 1.401 -1.163
H7 -0.898 1.401 -1.163
H8 -0.898 -1.401 -1.163
H9 0.898 -1.401 -1.163

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.88731.88732.43712.43712.48912.48912.48912.4891
C21.88732.86881.09333.83361.09401.09403.03923.0392
C31.88732.86883.83361.09333.03923.03921.09401.0940
H42.43711.09333.83364.70641.78691.78694.04764.0476
H52.43713.83361.09334.70644.04764.04761.78691.7869
H62.48911.09403.03921.78694.04761.79553.32842.8025
H72.48911.09403.03921.78694.04761.79552.80253.3284
H82.48913.03921.09404.04761.78693.32842.80251.7955
H92.48913.03921.09404.04761.78692.80253.32841.7955

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 106.651 S1 C2 H6 110.359
S1 C2 H7 110.359 S1 C3 H5 106.651
S1 C3 H8 110.359 S1 C3 H9 110.359
C2 S1 C3 98.932 H4 C2 H6 109.556
H4 C2 H7 109.556 H5 C3 H8 109.556
H5 C3 H9 109.556 H6 C2 H7 110.288
H8 C3 H9 110.288
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.134      
2 C -0.788      
3 C -0.788      
4 H 0.242      
5 H 0.242      
6 H 0.239      
7 H 0.239      
8 H 0.239      
9 H 0.239      


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 -1.975 1.975
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.902 0.000 0.000
y 0.000 -22.929 0.000
z 0.000 0.000 -27.720
Traceless
 xyz
x -2.577 0.000 0.000
y 0.000 4.882 0.000
z 0.000 0.000 -2.305
Polar
3z2-r2-4.609
x2-y2-4.972
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.485 0.000 0.000
y 0.000 7.202 0.000
z 0.000 0.000 5.482


<r2> (average value of r2) Å2
<r2> 74.933
(<r2>)1/2 8.656