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

using model chemistry: PBEPBE/3-21G

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/3-21G
 hartrees
Energy at 0K-475.307032
Energy at 298.15K 
HF Energy-475.307032
Nuclear repulsion energy106.944636
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/3-21G
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 3113 3084 6.73 90.05 0.70 0.82
2 A1 3002 2975 21.05 214.82 0.00 0.00
3 A1 1499 1486 1.19 34.56 0.74 0.85
4 A1 1360 1348 0.60 3.58 0.20 0.34
5 A1 1040 1030 22.13 11.43 0.67 0.80
6 A1 623 617 3.95 18.90 0.18 0.31
7 A1 236 234 0.14 3.19 0.65 0.79
8 A2 3100 3072 0.00 10.48 0.75 0.86
9 A2 1483 1470 0.00 48.28 0.75 0.86
10 A2 937 929 0.00 11.67 0.75 0.86
11 A2 164 163 0.00 0.09 0.75 0.86
12 B1 3095 3067 25.51 99.57 0.75 0.86
13 B1 1493 1480 27.64 0.00 0.75 0.86
14 B1 973 964 13.97 10.30 0.75 0.86
15 B1 159 158 1.12 0.05 0.75 0.86
16 B2 3113 3085 1.67 46.19 0.75 0.86
17 B2 3005 2977 16.74 0.07 0.75 0.86
18 B2 1489 1476 25.11 0.01 0.75 0.86
19 B2 1333 1321 1.90 4.93 0.75 0.86
20 B2 916 908 0.82 3.10 0.75 0.86
21 B2 662 656 1.30 10.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16397.3 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 16248.1 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 PBEPBE/3-21G
ABC
0.53494 0.23705 0.17561

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.701
C2 0.000 1.428 -0.551
C3 0.000 -1.428 -0.551
H4 0.000 2.355 0.042
H5 0.000 -2.355 0.042
H6 0.907 1.378 -1.172
H7 -0.907 1.378 -1.172
H8 -0.907 -1.378 -1.172
H9 0.907 -1.378 -1.172

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.89931.89932.44502.44502.49582.49582.49582.4958
C21.89932.85691.09983.82931.10061.10063.01383.0138
C31.89932.85693.82931.09983.01383.01381.10061.1006
H42.44501.09983.82934.70921.80331.80334.02844.0284
H52.44503.82931.09984.70924.02844.02841.80331.8033
H62.49581.10063.01381.80334.02841.81413.29902.7554
H72.49581.10063.01381.80334.02841.81412.75543.2990
H82.49583.01381.10064.02841.80333.29902.75541.8141
H92.49583.01381.10064.02841.80332.75543.29901.8141

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 106.137 S1 C2 H6 109.716
S1 C2 H7 109.716 S1 C3 H5 106.137
S1 C3 H8 109.716 S1 C3 H9 109.716
C2 S1 C3 97.545 H4 C2 H6 110.074
H4 C2 H7 110.074 H5 C3 H8 110.074
H5 C3 H9 110.074 H6 C2 H7 111.005
H8 C3 H9 111.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.230      
2 C -0.833      
3 C -0.833      
4 H 0.247      
5 H 0.247      
6 H 0.236      
7 H 0.236      
8 H 0.236      
9 H 0.236      


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 -1.912 1.912
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.753 0.000 0.000
y 0.000 -23.909 0.000
z 0.000 0.000 -28.603
Traceless
 xyz
x -2.497 0.000 0.000
y 0.000 4.769 0.000
z 0.000 0.000 -2.272
Polar
3z2-r2-4.544
x2-y2-4.844
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.907 0.000 0.000
y 0.000 6.887 0.000
z 0.000 0.000 5.472


<r2> (average value of r2) Å2
<r2> 80.376
(<r2>)1/2 8.965