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

using model chemistry: mPW1PW91/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/Def2TZVPP
 hartrees
Energy at 0K-478.060071
Energy at 298.15K 
HF Energy-478.060071
Nuclear repulsion energy111.330985
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 mPW1PW91/Def2TZVPP
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 3155 3155 10.52 98.39 0.66 0.79
2 A1 3050 3050 30.88 331.04 0.00 0.00
3 A1 1486 1486 0.68 13.31 0.75 0.85
4 A1 1367 1367 0.32 0.39 0.51 0.68
5 A1 1055 1055 11.75 3.23 0.29 0.45
6 A1 715 715 2.71 14.06 0.14 0.25
7 A1 263 263 0.08 2.72 0.62 0.76
8 A2 3135 3135 0.00 19.85 0.75 0.86
9 A2 1462 1462 0.00 18.02 0.75 0.86
10 A2 953 953 0.00 2.76 0.75 0.86
11 A2 187 187 0.00 0.17 0.75 0.86
12 B1 3128 3128 27.80 119.21 0.75 0.86
13 B1 1471 1471 15.82 0.54 0.75 0.86
14 B1 991 991 5.80 1.37 0.75 0.86
15 B1 183 183 1.28 0.19 0.75 0.86
16 B2 3156 3156 2.02 52.71 0.75 0.86
17 B2 3053 3053 27.82 3.07 0.75 0.86
18 B2 1478 1478 17.25 0.26 0.75 0.86
19 B2 1343 1343 3.37 1.47 0.75 0.86
20 B2 912 912 0.36 1.66 0.75 0.86
21 B2 770 770 0.01 6.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16656.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16656.1 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 mPW1PW91/Def2TZVPP
ABC
0.60580 0.25320 0.19155

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.652
C2 0.000 1.374 -0.506
C3 0.000 -1.374 -0.506
H4 0.000 2.289 0.084
H5 0.000 -2.289 0.084
H6 0.891 1.363 -1.133
H7 -0.891 1.363 -1.133
H8 -0.891 -1.363 -1.133
H9 0.891 -1.363 -1.133

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.79711.79712.35882.35882.41612.41612.41612.4161
C21.79712.74861.08833.71071.08961.08962.94592.9459
C31.79712.74863.71071.08832.94592.94591.08961.0896
H42.35881.08833.71074.57861.76981.76983.95103.9510
H52.35883.71071.08834.57863.95103.95101.76981.7698
H62.41611.08962.94591.76983.95101.78183.25622.7254
H72.41611.08962.94591.76983.95101.78182.72543.2562
H82.41612.94591.08963.95101.76983.25622.72541.7818
H92.41612.94591.08963.95101.76982.72543.25621.7818

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 107.099 S1 C2 H6 111.271
S1 C2 H7 111.271 S1 C3 H5 107.099
S1 C3 H8 111.271 S1 C3 H9 111.271
C2 S1 C3 99.767 H4 C2 H6 108.703
H4 C2 H7 108.703 H5 C3 H8 108.703
H5 C3 H9 108.703 H6 C2 H7 109.694
H8 C3 H9 109.694
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.106      
2 C -0.270      
3 C -0.270      
4 H 0.113      
5 H 0.113      
6 H 0.105      
7 H 0.105      
8 H 0.105      
9 H 0.105      


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 -1.583 1.583
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.427 0.000 0.000
y 0.000 -23.939 0.000
z 0.000 0.000 -28.222
Traceless
 xyz
x -2.347 0.000 0.000
y 0.000 4.385 0.000
z 0.000 0.000 -2.038
Polar
3z2-r2-4.077
x2-y2-4.488
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.353 0.000 0.000
y 0.000 7.965 0.000
z 0.000 0.000 6.510


<r2> (average value of r2) Å2
<r2> 75.551
(<r2>)1/2 8.692