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

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-477.713798
Energy at 298.15K 
HF Energy-477.713798
Nuclear repulsion energy110.151774
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 PBEPBE/6-31G(2df,p)
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 3084 3052 9.11 96.11 0.66 0.79
2 A1 2971 2940 27.85 243.83 0.00 0.00
3 A1 1435 1420 0.01 23.74 0.75 0.86
4 A1 1310 1297 1.69 4.73 0.24 0.39
5 A1 1015 1005 14.06 5.01 0.56 0.72
6 A1 685 678 2.95 12.29 0.12 0.22
7 A1 253 251 0.18 2.32 0.60 0.75
8 A2 3061 3029 0.00 16.47 0.75 0.86
9 A2 1410 1395 0.00 31.60 0.75 0.86
10 A2 916 906 0.00 4.08 0.75 0.86
11 A2 185 183 0.00 0.11 0.75 0.86
12 B1 3052 3021 24.44 114.02 0.75 0.86
13 B1 1420 1405 12.21 0.04 0.75 0.86
14 B1 954 944 6.74 4.17 0.75 0.86
15 B1 179 177 1.11 0.01 0.75 0.86
16 B2 3085 3053 1.66 50.96 0.75 0.86
17 B2 2975 2944 24.51 2.39 0.75 0.86
18 B2 1427 1412 17.61 0.24 0.75 0.86
19 B2 1284 1271 7.67 6.22 0.75 0.86
20 B2 877 868 0.76 2.64 0.75 0.86
21 B2 733 726 0.00 5.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16154.3 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 15987.9 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 PBEPBE/6-31G(2df,p)
ABC
0.58853 0.24903 0.18774

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.662
C2 0.000 1.386 -0.514
C3 0.000 -1.386 -0.514
H4 0.000 2.311 0.081
H5 0.000 -2.311 0.081
H6 0.901 1.370 -1.147
H7 -0.901 1.370 -1.147
H8 -0.901 -1.370 -1.147
H9 0.901 -1.370 -1.147

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.81761.81762.38292.38292.44222.44222.44222.4422
C21.81762.77151.09973.74411.10141.10142.96802.9680
C31.81762.77153.74411.09972.96802.96801.10141.1014
H42.38291.09973.74414.62171.79001.79003.98393.9839
H52.38293.74411.09974.62173.98393.98391.79001.7900
H62.44221.10142.96801.79003.98391.80193.28012.7408
H72.44221.10142.96801.79003.98391.80192.74083.2801
H82.44222.96801.10143.98391.79003.28012.74081.8019
H92.44222.96801.10143.98391.79002.74083.28011.8019

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 106.945 S1 C2 H6 111.194
S1 C2 H7 111.194 S1 C3 H5 106.945
S1 C3 H8 111.194 S1 C3 H9 111.194
C2 S1 C3 99.353 H4 C2 H6 108.822
H4 C2 H7 108.822 H5 C3 H8 108.822
H5 C3 H9 108.822 H6 C2 H7 109.768
H8 C3 H9 109.768
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.110      
2 C -0.403      
3 C -0.403      
4 H 0.160      
5 H 0.160      
6 H 0.149      
7 H 0.149      
8 H 0.149      
9 H 0.149      


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 -1.671 1.671
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.306 0.000 0.000
y 0.000 -23.562 0.000
z 0.000 0.000 -27.883
Traceless
 xyz
x -2.583 0.000 0.000
y 0.000 4.533 0.000
z 0.000 0.000 -1.949
Polar
3z2-r2-3.899
x2-y2-4.744
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.058 0.000 0.000
y 0.000 7.396 0.000
z 0.000 0.000 6.016


<r2> (average value of r2) Å2
<r2> 76.550
(<r2>)1/2 8.749