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

using model chemistry: HF/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 HF/6-31G(2df,p)
 hartrees
Energy at 0K-476.755240
Energy at 298.15K 
HF Energy-476.755240
Nuclear repulsion energy111.076784
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 HF/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 3277 2968 16.24 98.54 0.70 0.82
2 A1 3181 2881 31.96 212.18 0.00 0.00
3 A1 1609 1457 0.14 20.96 0.75 0.86
4 A1 1496 1355 2.82 0.35 0.59 0.74
5 A1 1145 1037 13.71 4.52 0.46 0.63
6 A1 745 674 4.17 25.15 0.13 0.23
7 A1 283 257 0.05 2.00 0.60 0.75
8 A2 3265 2957 0.00 13.64 0.75 0.86
9 A2 1584 1434 0.00 27.61 0.75 0.86
10 A2 1034 937 0.00 3.05 0.75 0.86
11 A2 194 176 0.00 0.08 0.75 0.86
12 B1 3262 2953 35.88 112.77 0.75 0.86
13 B1 1594 1444 11.80 0.02 0.75 0.86
14 B1 1071 970 3.61 2.80 0.75 0.86
15 B1 202 183 1.00 0.01 0.75 0.86
16 B2 3277 2968 6.58 52.18 0.75 0.86
17 B2 3182 2882 36.65 0.00 0.75 0.86
18 B2 1601 1449 13.56 0.02 0.75 0.86
19 B2 1470 1331 12.59 0.98 0.75 0.86
20 B2 989 895 0.15 1.27 0.75 0.86
21 B2 808 732 0.92 12.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17633.8 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 15967.4 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 HF/6-31G(2df,p)
ABC
0.60861 0.24984 0.18974

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.651
C2 0.000 1.386 -0.506
C3 0.000 -1.386 -0.506
H4 0.000 2.295 0.083
H5 0.000 -2.295 0.083
H6 0.886 1.372 -1.129
H7 -0.886 1.372 -1.129
H8 -0.886 -1.372 -1.129
H9 0.886 -1.372 -1.129

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80521.80522.36372.36372.41562.41562.41562.4156
C21.80522.77211.08273.72741.08331.08332.96332.9633
C31.80522.77213.72741.08272.96332.96331.08331.0833
H42.36371.08273.72744.58911.76211.76213.96223.9622
H52.36373.72741.08274.58913.96223.96221.76211.7621
H62.41561.08332.96331.76213.96221.77183.26662.7443
H72.41561.08332.96331.76213.96221.77182.74433.2666
H82.41562.96331.08333.96221.76213.26662.74431.7718
H92.41562.96331.08333.96221.76212.74433.26661.7718

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 111.024
S1 C2 H7 111.024 S1 C3 H5 107.206
S1 C3 H8 111.024 S1 C3 H9 111.024
C2 S1 C3 100.318 H4 C2 H6 108.890
H4 C2 H7 108.890 H5 C3 H8 108.890
H5 C3 H9 108.890 H6 C2 H7 109.728
H8 C3 H9 109.728
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.075      
2 C -0.444      
3 C -0.444      
4 H 0.169      
5 H 0.169      
6 H 0.156      
7 H 0.156      
8 H 0.156      
9 H 0.156      


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 -1.772 1.772
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.703 0.000 0.000
y 0.000 -23.898 0.000
z 0.000 0.000 -28.433
Traceless
 xyz
x -2.538 0.000 0.000
y 0.000 4.671 0.000
z 0.000 0.000 -2.133
Polar
3z2-r2-4.265
x2-y2-4.806
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.849 0.000 0.000
y 0.000 7.002 0.000
z 0.000 0.000 5.689


<r2> (average value of r2) Å2
<r2> 76.082
(<r2>)1/2 8.723