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

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-477.994953
Energy at 298.15K 
HF Energy-477.994953
Nuclear repulsion energy110.961864
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 B1B95/6-31+G**
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 3180 3042 10.03 113.11 0.64 0.78
2 A1 3066 2933 37.25 269.91 0.00 0.00
3 A1 1492 1427 0.65 17.28 0.72 0.84
4 A1 1384 1324 1.41 1.59 0.74 0.85
5 A1 1062 1016 17.59 3.16 0.47 0.64
6 A1 717 686 3.40 18.68 0.11 0.20
7 A1 262 251 0.01 2.71 0.64 0.78
8 A2 3158 3021 0.00 18.27 0.75 0.86
9 A2 1467 1403 0.00 26.22 0.75 0.86
10 A2 961 919 0.00 2.73 0.75 0.86
11 A2 184 176 0.00 0.21 0.75 0.86
12 B1 3150 3014 27.33 146.67 0.75 0.86
13 B1 1476 1412 21.67 0.00 0.75 0.86
14 B1 998 955 6.00 1.06 0.75 0.86
15 B1 185 177 1.29 0.00 0.75 0.86
16 B2 3181 3043 3.24 56.09 0.75 0.86
17 B2 3069 2936 30.26 1.85 0.75 0.86
18 B2 1483 1418 21.72 0.01 0.75 0.86
19 B2 1358 1299 2.38 4.27 0.75 0.86
20 B2 919 879 0.14 2.51 0.75 0.86
21 B2 770 737 0.00 9.89 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16761.1 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 16033.7 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 B1B95/6-31+G**
ABC
0.59610 0.25285 0.19041

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.659
C2 0.000 1.375 -0.511
C3 0.000 -1.375 -0.511
H4 0.000 2.296 0.072
H5 0.000 -2.296 0.072
H6 0.892 1.361 -1.140
H7 -0.892 1.361 -1.140
H8 -0.892 -1.361 -1.140
H9 0.892 -1.361 -1.140

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80491.80492.36992.36992.42562.42562.42562.4256
C21.80492.74971.09003.71691.09161.09162.94582.9458
C31.80492.74973.71691.09002.94582.94581.09161.0916
H42.36991.09003.71694.59221.77131.77133.95483.9548
H52.36993.71691.09004.59223.95483.95481.77131.7713
H62.42561.09162.94581.77133.95481.78403.25502.7226
H72.42561.09162.94581.77133.95481.78402.72263.2550
H82.42562.94581.09163.95481.77133.25502.72261.7840
H92.42562.94581.09163.95481.77132.72263.25501.7840

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 107.310 S1 C2 H6 111.343
S1 C2 H7 111.343 S1 C3 H5 107.310
S1 C3 H8 111.343 S1 C3 H9 111.343
C2 S1 C3 99.235 H4 C2 H6 108.572
H4 C2 H7 108.572 H5 C3 H8 108.572
H5 C3 H9 108.572 H6 C2 H7 109.597
H8 C3 H9 109.597
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.089      
2 C -0.604      
3 C -0.604      
4 H 0.191      
5 H 0.191      
6 H 0.184      
7 H 0.184      
8 H 0.184      
9 H 0.184      


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 -1.743 1.743
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.783 0.000 0.000
y 0.000 -23.992 0.000
z 0.000 0.000 -28.602
Traceless
 xyz
x -2.486 0.000 0.000
y 0.000 4.701 0.000
z 0.000 0.000 -2.215
Polar
3z2-r2-4.431
x2-y2-4.791
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.529 0.000 0.000
y 0.000 7.353 0.000
z 0.000 0.000 6.213


<r2> (average value of r2) Å2
<r2> 76.042
(<r2>)1/2 8.720