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

using model chemistry: B3LYP/6-31G

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/6-31G
 hartrees
Energy at 0K-477.968330
Energy at 298.15K 
HF Energy-477.968330
Nuclear repulsion energy107.417757
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/6-31G
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 3187 3066 11.51 99.72 0.69 0.82
2 A1 3071 2954 28.62 237.62 0.00 0.00
3 A1 1529 1471 1.13 34.21 0.74 0.85
4 A1 1406 1352 2.08 2.27 0.21 0.34
5 A1 1072 1032 23.99 12.01 0.64 0.78
6 A1 638 614 3.28 25.83 0.18 0.30
7 A1 245 236 0.11 3.00 0.64 0.78
8 A2 3171 3050 0.00 12.91 0.75 0.86
9 A2 1511 1453 0.00 47.30 0.75 0.86
10 A2 975 938 0.00 12.61 0.75 0.86
11 A2 161 155 0.00 0.09 0.75 0.86
12 B1 3167 3047 36.55 114.80 0.75 0.86
13 B1 1519 1461 24.50 0.02 0.75 0.86
14 B1 1008 970 11.09 9.56 0.75 0.86
15 B1 158 152 1.09 0.04 0.75 0.86
16 B2 3187 3066 4.25 54.23 0.75 0.86
17 B2 3073 2956 26.41 0.01 0.75 0.86
18 B2 1520 1462 21.59 0.03 0.75 0.86
19 B2 1381 1329 4.14 3.78 0.75 0.86
20 B2 944 908 0.22 3.30 0.75 0.86
21 B2 687 661 1.20 15.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16804.5 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 16165.9 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/6-31G
ABC
0.55355 0.23501 0.17616

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.688
C2 0.000 1.435 -0.539
C3 0.000 -1.435 -0.539
H4 0.000 2.350 0.056
H5 0.000 -2.350 0.056
H6 0.897 1.402 -1.161
H7 -0.897 1.402 -1.161
H8 -0.897 -1.402 -1.161
H9 0.897 -1.402 -1.161

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.88811.88812.43302.43302.48742.48742.48742.4874
C21.88812.87051.09103.83141.09211.09213.03973.0397
C31.88812.87053.83141.09103.03973.03971.09211.0921
H42.43301.09103.83144.69921.78461.78464.04454.0445
H52.43303.83141.09104.69924.04454.04451.78461.7846
H62.48741.09213.03971.78464.04451.79433.32842.8034
H72.48741.09213.03971.78464.04451.79432.80343.3284
H82.48743.03971.09214.04451.78463.32842.80341.7943
H92.48743.03971.09214.04451.78462.80343.32841.7943

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 106.417 S1 C2 H6 110.281
S1 C2 H7 110.281 S1 C3 H5 106.417
S1 C3 H8 110.281 S1 C3 H9 110.281
C2 S1 C3 98.958 H4 C2 H6 109.658
H4 C2 H7 109.658 H5 C3 H8 109.658
H5 C3 H9 109.658 H6 C2 H7 110.462
H8 C3 H9 110.462
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.178      
2 C -0.611      
3 C -0.611      
4 H 0.180      
5 H 0.180      
6 H 0.171      
7 H 0.171      
8 H 0.171      
9 H 0.171      


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 -1.986 1.986
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.709 0.000 0.000
y 0.000 -23.699 0.000
z 0.000 0.000 -28.642
Traceless
 xyz
x -2.539 0.000 0.000
y 0.000 4.977 0.000
z 0.000 0.000 -2.438
Polar
3z2-r2-4.876
x2-y2-5.010
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.231 0.000 0.000
y 0.000 7.065 0.000
z 0.000 0.000 5.607


<r2> (average value of r2) Å2
<r2> 80.163
(<r2>)1/2 8.953