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

using model chemistry: PBEPBEultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/TZVP
 hartrees
Energy at 0K-477.753804
Energy at 298.15K 
HF Energy-477.753804
Nuclear repulsion energy109.773105
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 PBEPBEultrafine/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3074 3039 11.28 108.66 0.65 0.79
2 A1 2967 2933 36.45 345.92 0.00 0.00
3 A1 1438 1421 0.59 21.66 0.74 0.85
4 A1 1325 1310 1.44 3.16 0.11 0.20
5 A1 1021 1009 15.82 8.92 0.42 0.59
6 A1 674 667 3.23 13.56 0.21 0.34
7 A1 254 251 0.05 2.84 0.58 0.74
8 A2 3050 3015 0.00 20.28 0.75 0.86
9 A2 1412 1396 0.00 32.11 0.75 0.86
10 A2 918 908 0.00 8.64 0.75 0.86
11 A2 179 177 0.00 0.35 0.75 0.86
12 B1 3042 3007 35.66 136.12 0.75 0.86
13 B1 1421 1405 17.54 0.78 0.75 0.86
14 B1 959 948 8.32 5.57 0.75 0.86
15 B1 179 177 1.31 0.25 0.75 0.86
16 B2 3074 3039 2.93 60.02 0.75 0.86
17 B2 2970 2936 29.69 3.24 0.75 0.86
18 B2 1429 1413 21.35 0.29 0.75 0.86
19 B2 1299 1284 3.10 6.59 0.75 0.86
20 B2 884 874 0.11 5.44 0.75 0.86
21 B2 721 713 0.00 7.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16144.0 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 15959.9 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 PBEPBEultrafine/TZVP
ABC
0.58321 0.24711 0.18606

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.666
C2 0.000 1.392 -0.518
C3 0.000 -1.392 -0.518
H4 0.000 2.316 0.075
H5 0.000 -2.316 0.075
H6 0.899 1.378 -1.149
H7 -0.899 1.378 -1.149
H8 -0.899 -1.378 -1.149
H9 0.899 -1.378 -1.149

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.82721.82722.38992.38992.45042.45042.45042.4504
C21.82722.78371.09753.75461.09921.09922.98012.9801
C31.82722.78373.75461.09752.98012.98011.09921.0992
H42.38991.09753.75464.63131.78521.78523.99403.9940
H52.38993.75461.09754.63133.99403.99401.78521.7852
H62.45041.09922.98011.78523.99401.79853.29122.7563
H72.45041.09922.98011.78523.99401.79852.75633.2912
H82.45042.98011.09923.99401.78523.29122.75631.7985
H92.45042.98011.09923.99401.78522.75633.29121.7985

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 106.937 S1 C2 H6 111.280
S1 C2 H7 111.280 S1 C3 H5 106.937
S1 C3 H8 111.280 S1 C3 H9 111.280
C2 S1 C3 99.239 H4 C2 H6 108.720
H4 C2 H7 108.720 H5 C3 H8 108.720
H5 C3 H9 108.720 H6 C2 H7 109.798
H8 C3 H9 109.798
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.027      
2 C -0.423      
3 C -0.423      
4 H 0.150      
5 H 0.150      
6 H 0.143      
7 H 0.143      
8 H 0.143      
9 H 0.143      


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 -1.615 1.615
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.876 0.000 0.000
y 0.000 -24.259 0.000
z 0.000 0.000 -28.582
Traceless
 xyz
x -2.455 0.000 0.000
y 0.000 4.470 0.000
z 0.000 0.000 -2.015
Polar
3z2-r2-4.030
x2-y2-4.617
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.086 0.000 0.000
y 0.000 7.882 0.000
z 0.000 0.000 6.397


<r2> (average value of r2) Å2
<r2> 77.429
(<r2>)1/2 8.799