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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-477.890294
Energy at 298.15K 
HF Energy-477.890294
Nuclear repulsion energy107.958498
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 B3PW91/6-31G
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 3201 3066 9.82      
2 A1 3078 2948 27.96      
3 A1 1526 1462 1.78      
4 A1 1410 1351 1.06      
5 A1 1079 1033 26.74      
6 A1 658 631 3.19      
7 A1 249 238 0.12      
8 A2 3185 3050 0.00      
9 A2 1508 1444 0.00      
10 A2 981 939 0.00      
11 A2 161 154 0.00      
12 B1 3181 3046 32.44      
13 B1 1517 1453 29.00      
14 B1 1015 972 12.75      
15 B1 161 155 1.27      
16 B2 3201 3066 3.04      
17 B2 3080 2950 25.96      
18 B2 1517 1453 23.98      
19 B2 1385 1327 1.31      
20 B2 949 909 0.34      
21 B2 709 679 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 16875.6 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 16161.8 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 B3PW91/6-31G
ABC
0.56053 0.23758 0.17830

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.683
C2 0.000 1.426 -0.534
C3 0.000 -1.426 -0.534
H4 0.000 2.341 0.060
H5 0.000 -2.341 0.060
H6 0.897 1.396 -1.157
H7 -0.897 1.396 -1.157
H8 -0.897 -1.396 -1.157
H9 0.897 -1.396 -1.157

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.87471.87472.42242.42242.47752.47752.47752.4775
C21.87472.85211.09123.81381.09231.09233.02613.0261
C31.87472.85213.81381.09123.02613.02611.09231.0923
H42.42241.09123.81384.68221.78301.78304.03154.0315
H52.42243.81381.09124.68224.03154.03151.78301.7830
H62.47751.09233.02611.78304.03151.79373.31882.7923
H72.47751.09233.02611.78304.03151.79372.79233.3188
H82.47753.02611.09234.03151.78303.31882.79231.7937
H92.47753.02611.09234.03151.78302.79233.31881.7937

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 106.512 S1 C2 H6 110.445
S1 C2 H7 110.445 S1 C3 H5 106.512
S1 C3 H8 110.445 S1 C3 H9 110.445
C2 S1 C3 99.050 H4 C2 H6 109.487
H4 C2 H7 109.487 H5 C3 H8 109.487
H5 C3 H9 109.487 H6 C2 H7 110.382
H8 C3 H9 110.382
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.201      
2 C -0.697      
3 C -0.697      
4 H 0.206      
5 H 0.206      
6 H 0.195      
7 H 0.195      
8 H 0.195      
9 H 0.195      


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 -2.020 2.020
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.584 0.000 0.000
y 0.000 -23.498 0.000
z 0.000 0.000 -28.539
Traceless
 xyz
x -2.566 0.000 0.000
y 0.000 5.063 0.000
z 0.000 0.000 -2.498
Polar
3z2-r2-4.995
x2-y2-5.086
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.256 0.000 0.000
y 0.000 6.969 0.000
z 0.000 0.000 5.570


<r2> (average value of r2) Å2
<r2> 79.407
(<r2>)1/2 8.911