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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G
 hartrees
Energy at 0K-477.705518
Energy at 298.15K 
HF Energy-477.705518
Nuclear repulsion energy108.324672
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 PBE1PBE/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 3214 3073 8.04 98.34 0.70 0.82
2 A1 3090 2953 26.70 240.55 0.00 0.00
3 A1 1530 1462 1.91 33.57 0.75 0.85
4 A1 1417 1355 0.67 2.41 0.22 0.36
5 A1 1086 1038 27.32 11.21 0.62 0.77
6 A1 674 644 3.21 23.96 0.18 0.30
7 A1 251 240 0.10 2.79 0.64 0.78
8 A2 3199 3058 0.00 12.52 0.75 0.86
9 A2 1511 1444 0.00 46.46 0.75 0.86
10 A2 988 944 0.00 11.76 0.75 0.86
11 A2 164 157 0.00 0.10 0.75 0.86
12 B1 3194 3053 28.21 115.13 0.75 0.86
13 B1 1520 1453 31.15 0.01 0.75 0.86
14 B1 1022 977 12.87 8.93 0.75 0.86
15 B1 164 157 1.27 0.04 0.75 0.86
16 B2 3215 3073 2.19 53.30 0.75 0.86
17 B2 3092 2956 23.49 0.02 0.75 0.86
18 B2 1520 1453 25.06 0.02 0.75 0.86
19 B2 1392 1331 0.61 4.42 0.75 0.86
20 B2 954 912 0.36 3.17 0.75 0.86
21 B2 725 693 0.63 13.73 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16960.6 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 16212.6 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 PBE1PBE/6-31G
ABC
0.56273 0.23998 0.17985

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.681
C2 0.000 1.418 -0.533
C3 0.000 -1.418 -0.533
H4 0.000 2.336 0.057
H5 0.000 -2.336 0.057
H6 0.896 1.387 -1.156
H7 -0.896 1.387 -1.156
H8 -0.896 -1.387 -1.156
H9 0.896 -1.387 -1.156

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.86661.86662.41782.41782.47032.47032.47032.4703
C21.86662.83601.09103.79991.09211.09213.00993.0099
C31.86662.83603.79991.09103.00993.00991.09211.0921
H42.41781.09103.79994.67181.78201.78204.01684.0168
H52.41783.79991.09104.67184.01684.01681.78201.7820
H62.47031.09213.00991.78204.01681.79213.30242.7738
H72.47031.09213.00991.78204.01681.79212.77383.3024
H82.47033.00991.09214.01681.78203.30242.77381.7921
H92.47033.00991.09214.01681.78202.77383.30241.7921

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 106.716 S1 C2 H6 110.467
S1 C2 H7 110.467 S1 C3 H5 106.716
S1 C3 H8 110.467 S1 C3 H9 110.467
C2 S1 C3 98.872 H4 C2 H6 109.424
H4 C2 H7 109.424 H5 C3 H8 109.424
H5 C3 H9 109.424 H6 C2 H7 110.269
H8 C3 H9 110.269
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.213      
2 C -0.718      
3 C -0.718      
4 H 0.211      
5 H 0.211      
6 H 0.200      
7 H 0.200      
8 H 0.200      
9 H 0.200      


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 -2.031 2.031
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.664 0.000 0.000
y 0.000 -23.580 0.000
z 0.000 0.000 -28.658
Traceless
 xyz
x -2.545 0.000 0.000
y 0.000 5.081 0.000
z 0.000 0.000 -2.536
Polar
3z2-r2-5.071
x2-y2-5.084
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.247 0.000 0.000
y 0.000 6.906 0.000
z 0.000 0.000 5.533


<r2> (average value of r2) Å2
<r2> 78.972
(<r2>)1/2 8.887