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All results from a given calculation for CH3SSCH3 (Disulfide, dimethyl)

using model chemistry: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-876.141800
Energy at 298.15K-876.147941
HF Energy-876.141800
Nuclear repulsion energy 
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 wB97X-D/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 A 3194 3029 2.00      
2 A 3179 3015 8.65      
3 A 3087 2928 20.34      
4 A 1516 1438 0.78      
5 A 1501 1424 8.19      
6 A 1403 1331 1.05      
7 A 1012 960 5.52      
8 A 1000 948 2.61      
9 A 720 683 0.22      
10 A 520 493 0.29      
11 A 237 225 1.78      
12 A 144 136 0.00      
13 A 105 99 1.38      
14 B 3194 3029 9.10      
15 B 3179 3015 4.57      
16 B 3085 2926 17.44      
17 B 1521 1443 20.72      
18 B 1494 1417 13.05      
19 B 1396 1324 2.22      
20 B 1008 956 18.70      
21 B 1002 950 4.87      
22 B 717 680 1.87      
23 B 272 258 1.51      
24 B 158 150 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 17319.7 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 16427.8 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 wB97X-D/6-31G*
ABC
0.26815 0.09238 0.08425

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.425 0.937 -0.530
S2 0.425 -0.937 -0.530
C3 0.425 1.766 0.851
C4 -0.425 -1.766 0.851
H5 0.040 2.790 0.878
H6 0.205 1.278 1.804
H7 1.504 1.790 0.683
H8 -0.040 -2.790 0.878
H9 -0.205 -1.278 1.804
H10 -1.504 -1.790 0.683

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.05781.82103.03502.37292.44082.43314.00233.22483.1738
S22.05783.03501.82104.00233.22483.17382.37292.44082.4331
C31.82103.03503.63261.09421.09261.09204.57923.25134.0492
C43.03501.82103.63264.57923.25134.04921.09421.09261.0920
H52.37294.00231.09424.57921.77991.78335.57984.17894.8371
H62.44083.22481.09263.25131.77991.79024.17892.58903.6867
H72.43313.17381.09204.04921.78331.79024.83713.68674.6764
H84.00232.37294.57921.09425.57984.17894.83711.77991.7833
H93.22482.44083.25131.09264.17892.58903.68671.77991.7902
H103.17382.43314.04921.09204.83713.68674.67641.78331.7902

picture of Disulfide, dimethyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 C4 102.805 S1 C3 H5 106.287
S1 C3 H6 111.335 S1 C3 H7 110.789
S2 S1 C3 102.805 S2 C4 H8 106.287
S2 C4 H9 111.335 S2 C4 H10 110.789
H5 C3 H6 108.959 H5 C3 H7 109.313
H6 C3 H7 110.057 H8 C4 H9 108.959
H8 C4 H10 109.313 H9 C4 H10 110.057
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.023      
2 S 0.023      
3 C -0.645      
4 C -0.645      
5 H 0.208      
6 H 0.199      
7 H 0.215      
8 H 0.208      
9 H 0.199      
10 H 0.215      


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 2.371 2.371
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.197 1.924 0.000
y 1.924 -34.928 0.000
z 0.000 0.000 -40.573
Traceless
 xyz
x -3.447 1.924 0.000
y 1.924 5.957 0.000
z 0.000 0.000 -2.510
Polar
3z2-r2-5.020
x2-y2-6.269
xy1.924
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.517 -0.262 0.000
y -0.262 10.753 0.000
z 0.000 0.000 7.005


<r2> (average value of r2) Å2
<r2> 155.540
(<r2>)1/2 12.472