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

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-476.668518
Energy at 298.15K 
HF Energy-476.668518
Nuclear repulsion energy108.458454
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 HF/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 3341 3017 9.65 112.62 0.70 0.83
2 A1 3230 2917 32.69 233.26 0.00 0.01
3 A1 1642 1483 1.89 33.75 0.73 0.84
4 A1 1526 1378 2.97 0.19 0.68 0.81
5 A1 1165 1052 24.49 11.43 0.59 0.74
6 A1 689 622 5.11 49.49 0.17 0.29
7 A1 266 240 0.04 3.31 0.67 0.80
8 A2 3330 3007 0.00 14.02 0.75 0.86
9 A2 1625 1467 0.00 46.96 0.75 0.86
10 A2 1065 962 0.00 10.73 0.75 0.86
11 A2 166 150 0.00 0.09 0.75 0.86
12 B1 3328 3004 32.81 121.93 0.75 0.86
13 B1 1634 1475 26.25 0.07 0.75 0.86
14 B1 1095 989 7.05 7.55 0.75 0.86
15 B1 172 155 1.24 0.06 0.75 0.86
16 B2 3342 3017 4.49 60.13 0.75 0.86
17 B2 3231 2918 37.90 0.59 0.75 0.86
18 B2 1633 1475 19.36 0.00 0.75 0.86
19 B2 1500 1355 8.01 0.30 0.75 0.86
20 B2 1028 928 0.01 2.20 0.75 0.86
21 B2 750 677 3.06 29.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17878.7 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 16142.6 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 HF/6-31G
ABC
0.57478 0.23667 0.17890

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.674
C2 0.000 1.431 -0.528
C3 0.000 -1.431 -0.528
H4 0.000 2.334 0.063
H5 0.000 -2.334 0.063
H6 0.886 1.401 -1.143
H7 -0.886 1.401 -1.143
H8 -0.886 -1.401 -1.143
H9 0.886 -1.401 -1.143

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.86891.86892.41232.41232.45942.45942.45942.4594
C21.86892.86281.07843.81111.07901.07903.03093.0309
C31.86892.86283.81111.07843.03093.03091.07901.0790
H42.41231.07843.81114.66741.76311.76314.02344.0234
H52.41233.81111.07844.66744.02344.02341.76311.7631
H62.45941.07903.03091.76314.02341.77193.31552.8023
H72.45941.07903.03091.76314.02341.77192.80233.3155
H82.45943.03091.07904.02341.76313.31552.80231.7719
H92.45943.03091.07904.02341.76312.80233.31551.7719

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 106.779 S1 C2 H6 110.187
S1 C2 H7 110.187 S1 C3 H5 106.779
S1 C3 H8 110.187 S1 C3 H9 110.187
C2 S1 C3 99.976 H4 C2 H6 109.616
H4 C2 H7 109.616 H5 C3 H8 109.616
H5 C3 H9 109.616 H6 C2 H7 110.384
H8 C3 H9 110.384
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.212      
2 C -0.681      
3 C -0.681      
4 H 0.200      
5 H 0.200      
6 H 0.188      
7 H 0.188      
8 H 0.188      
9 H 0.188      


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 -2.138 2.138
CHELPG 0.000 0.000 -2.097 2.097
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.133 0.000 0.000
y 0.000 -24.095 0.000
z 0.000 0.000 -29.400
Traceless
 xyz
x -2.385 0.000 0.000
y 0.000 5.171 0.000
z 0.000 0.000 -2.786
Polar
3z2-r2-5.572
x2-y2-5.038
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.140 0.000 0.000
y 0.000 7.121 0.000
z 0.000 0.000 5.487


<r2> (average value of r2) Å2
<r2> 79.515
(<r2>)1/2 8.917