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

using model chemistry: B3LYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/cc-pVDZ
 hartrees
Energy at 0K-478.030891
Energy at 298.15K 
HF Energy-478.030891
Nuclear repulsion energy109.744899
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 B3LYP/cc-pVDZ
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 3135 3041 11.33 113.10 0.66 0.80
2 A1 3025 2934 32.50 299.98 0.00 0.00
3 A1 1457 1413 0.18 24.46 0.75 0.86
4 A1 1340 1300 1.60 2.23 0.17 0.29
5 A1 1036 1005 11.56 4.81 0.50 0.67
6 A1 683 663 3.49 15.66 0.15 0.26
7 A1 259 252 0.09 2.75 0.62 0.77
8 A2 3113 3020 0.00 18.24 0.75 0.86
9 A2 1434 1391 0.00 32.72 0.75 0.86
10 A2 936 908 0.00 5.12 0.75 0.86
11 A2 179 174 0.00 0.11 0.75 0.86
12 B1 3106 3013 35.46 133.60 0.75 0.86
13 B1 1443 1400 13.16 0.00 0.75 0.86
14 B1 974 945 6.37 4.70 0.75 0.86
15 B1 181 176 1.13 0.08 0.75 0.86
16 B2 3136 3042 3.23 64.61 0.75 0.86
17 B2 3027 2936 31.76 1.14 0.75 0.86
18 B2 1449 1406 17.47 0.31 0.75 0.86
19 B2 1313 1274 10.25 3.40 0.75 0.86
20 B2 898 871 0.56 2.40 0.75 0.86
21 B2 733 711 0.04 7.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16429.2 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 15936.3 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 B3LYP/cc-pVDZ
ABC
0.58496 0.24665 0.18602

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.665
C2 0.000 1.393 -0.516
C3 0.000 -1.393 -0.516
H4 0.000 2.318 0.079
H5 0.000 -2.318 0.079
H6 0.901 1.378 -1.150
H7 -0.901 1.378 -1.150
H8 -0.901 -1.378 -1.150
H9 0.901 -1.378 -1.150

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.82621.82622.39082.39082.45012.45012.45012.4501
C21.82622.78661.09983.75881.10171.10172.98212.9821
C31.82622.78663.75881.09982.98212.98211.10171.1017
H42.39081.09983.75884.63621.79071.79073.99793.9979
H52.39083.75881.09984.63623.99793.99791.79071.7907
H62.45011.10172.98211.79073.99791.80163.29242.7558
H72.45011.10172.98211.79073.99791.80162.75583.2924
H82.45012.98211.10173.99791.79073.29242.75581.8016
H92.45012.98211.10173.99791.79072.75583.29241.8016

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 106.953 S1 C2 H6 111.186
S1 C2 H7 111.186 S1 C3 H5 106.953
S1 C3 H8 111.186 S1 C3 H9 111.186
C2 S1 C3 99.446 H4 C2 H6 108.861
H4 C2 H7 108.861 H5 C3 H8 108.861
H5 C3 H9 108.861 H6 C2 H7 109.704
H8 C3 H9 109.704
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.078      
2 C -0.119      
3 C -0.119      
4 H 0.055      
5 H 0.055      
6 H 0.052      
7 H 0.052      
8 H 0.052      
9 H 0.052      


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 -1.471 1.471
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.431 0.000 0.000
y 0.000 -24.106 0.000
z 0.000 0.000 -28.111
Traceless
 xyz
x -2.323 0.000 0.000
y 0.000 4.166 0.000
z 0.000 0.000 -1.843
Polar
3z2-r2-3.686
x2-y2-4.326
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.409 0.000 0.000
y 0.000 7.436 0.000
z 0.000 0.000 5.814


<r2> (average value of r2) Å2
<r2> 77.239
(<r2>)1/2 8.789