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

using model chemistry: TPSSh/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 TPSSh/6-31G*
 hartrees
Energy at 0K-478.020878
Energy at 298.15K-478.026944
HF Energy-478.020878
Nuclear repulsion energy110.104481
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 TPSSh/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 3159 3030 14.94      
2 A1 3055 2931 37.09      
3 A1 1530 1468 0.00      
4 A1 1407 1350 4.11      
5 A1 1075 1032 19.09      
6 A1 691 663 3.86      
7 A1 252 242 0.06      
8 A2 3138 3011 0.00      
9 A2 1507 1445 0.00      
10 A2 971 931 0.00      
11 A2 186 179 0.00      
12 B1 3132 3005 41.67      
13 B1 1517 1455 14.94      
14 B1 1010 969 7.56      
15 B1 183 176 1.20      
16 B2 3159 3031 6.07      
17 B2 3057 2933 31.45      
18 B2 1521 1460 19.29      
19 B2 1380 1324 9.01      
20 B2 929 891 0.16      
21 B2 742 712 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 16800.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 16118.2 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 TPSSh/6-31G*
ABC
0.58741 0.24832 0.18705

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.663
C2 0.000 1.388 -0.515
C3 0.000 -1.388 -0.515
H4 0.000 2.307 0.077
H5 0.000 -2.307 0.077
H6 0.895 1.375 -1.145
H7 -0.895 1.375 -1.145
H8 -0.895 -1.375 -1.145
H9 0.895 -1.375 -1.145

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.81971.81972.37982.37982.44142.44142.44142.4414
C21.81972.77521.09313.74141.09511.09512.97172.9717
C31.81972.77523.74141.09312.97172.97171.09511.0951
H42.37981.09313.74144.61331.77861.77863.98123.9812
H52.37983.74141.09314.61333.98123.98121.77861.7786
H62.44141.09512.97171.77863.98121.79053.28152.7500
H72.44141.09512.97171.77863.98121.79052.75003.2815
H82.44142.97171.09513.98121.77863.28152.75001.7905
H92.44142.97171.09513.98121.77862.75003.28151.7905

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 106.913 S1 C2 H6 111.329
S1 C2 H7 111.329 S1 C3 H5 106.913
S1 C3 H8 111.329 S1 C3 H9 111.329
C2 S1 C3 99.375 H4 C2 H6 108.746
H4 C2 H7 108.746 H5 C3 H8 108.746
H5 C3 H9 108.746 H6 C2 H7 109.676
H8 C3 H9 109.676
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.088      
2 C -0.618      
3 C -0.618      
4 H 0.198      
5 H 0.198      
6 H 0.188      
7 H 0.188      
8 H 0.188      
9 H 0.188      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.521 0.000 0.000
y 0.000 6.865 0.000
z 0.000 0.000 5.578


<r2> (average value of r2) Å2
<r2> 76.748
(<r2>)1/2 8.761