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

using model chemistry: LSDA/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-476.527644
Energy at 298.15K 
HF Energy-476.527644
Nuclear repulsion energy111.552319
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 LSDA/6-31G(2df,p)
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 3090 3040 4.04      
2 A1 2965 2918 24.34      
3 A1 1409 1387 0.02      
4 A1 1288 1267 0.08      
5 A1 1006 990 15.59      
6 A1 722 711 2.92      
7 A1 252 248 0.15      
8 A2 3061 3012 0.00      
9 A2 1381 1359 0.00      
10 A2 905 891 0.00      
11 A2 197 194 0.00      
12 B1 3049 3000 14.63      
13 B1 1392 1370 19.01      
14 B1 945 930 8.32      
15 B1 185 182 1.08      
16 B2 3091 3042 0.08      
17 B2 2971 2924 16.94      
18 B2 1400 1377 22.47      
19 B2 1262 1242 1.24      
20 B2 864 850 1.01      
21 B2 771 759 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 16103.8 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 15846.1 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 LSDA/6-31G(2df,p)
ABC
0.59304 0.25969 0.19420

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.660
C2 0.000 1.353 -0.509
C3 0.000 -1.353 -0.509
H4 0.000 2.291 0.067
H5 0.000 -2.291 0.067
H6 0.900 1.331 -1.146
H7 -0.900 1.331 -1.146
H8 -0.900 -1.331 -1.146
H9 0.900 -1.331 -1.146

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.78851.78852.36622.36622.41752.41752.41752.4175
C21.78852.70591.10053.68881.10291.10292.90152.9015
C31.78852.70593.68881.10052.90152.90151.10291.1029
H42.36621.10053.68884.58111.78951.78953.92383.9238
H52.36623.68881.10054.58113.92383.92381.78951.7895
H62.41751.10292.90151.78953.92381.80093.21372.6618
H72.41751.10292.90151.78953.92381.80092.66183.2137
H82.41752.90151.10293.92381.78953.21372.66181.8009
H92.41752.90151.10293.92381.78952.66183.21371.8009

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 107.586 S1 C2 H6 111.242
S1 C2 H7 111.242 S1 C3 H5 107.586
S1 C3 H8 111.242 S1 C3 H9 111.242
C2 S1 C3 98.309 H4 C2 H6 108.612
H4 C2 H7 108.612 H5 C3 H8 108.612
H5 C3 H9 108.612 H6 C2 H7 109.458
H8 C3 H9 109.458
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.132      
2 C -0.456      
3 C -0.456      
4 H 0.184      
5 H 0.184      
6 H 0.169      
7 H 0.169      
8 H 0.169      
9 H 0.169      


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 -1.698 1.698
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.291 0.000 0.000
y 0.000 -23.541 0.000
z 0.000 0.000 -27.951
Traceless
 xyz
x -2.545 0.000 0.000
y 0.000 4.580 0.000
z 0.000 0.000 -2.036
Polar
3z2-r2-4.071
x2-y2-4.750
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.075 0.000 0.000
y 0.000 7.281 0.000
z 0.000 0.000 6.005


<r2> (average value of r2) Å2
<r2> 74.748
(<r2>)1/2 8.646