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

using model chemistry: PBEPBE/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBE/aug-cc-pVTZ
 hartrees
Energy at 0K-875.822147
Energy at 298.15K-875.828137
Nuclear repulsion energy219.875774
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/aug-cc-pVTZ
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 3077 3057 3.96      
2 A 3059 3039 6.25      
3 A 2975 2956 14.26      
4 A 1420 1410 0.38      
5 A 1406 1397 6.02      
6 A 1283 1274 0.17      
7 A 934 928 2.43      
8 A 926 920 0.45      
9 A 665 661 0.10      
10 A 492 489 0.65      
11 A 222 221 0.82      
12 A 155 154 0.13      
13 A 106 105 1.34      
14 B 3076 3056 5.27      
15 B 3060 3040 3.89      
16 B 2974 2954 22.53      
17 B 1423 1413 17.12      
18 B 1401 1392 10.65      
19 B 1276 1268 3.78      
20 B 931 925 10.90      
21 B 923 917 1.56      
22 B 665 661 5.35      
23 B 251 249 0.80      
24 B 152 151 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 16425.3 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 16318.5 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/aug-cc-pVTZ
ABC
0.27431 0.08935 0.08259

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.454 0.925 -0.492
S2 0.454 -0.925 -0.492
C3 0.454 1.859 0.793
C4 -0.454 -1.859 0.793
H5 0.047 2.879 0.764
H6 0.286 1.433 1.789
H7 1.524 1.886 0.561
H8 -0.047 -2.879 0.764
H9 -0.286 -1.433 1.789
H10 -1.524 -1.886 0.561

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.06061.83073.06652.37692.45102.43864.02693.28453.1862
S22.06063.06651.83074.02693.28453.18622.37692.45102.4386
C31.83073.06653.82791.09901.09581.09534.76523.51774.2418
C43.06651.83073.82794.76523.51774.24181.09901.09581.0953
H52.37694.02691.09904.76521.78891.79225.75964.44465.0214
H62.45103.28451.09583.51771.78891.80204.44462.92163.9741
H72.43863.18621.09534.24181.79221.80205.02143.97414.8493
H84.02692.37694.76521.09905.75964.44465.02141.78891.7922
H93.28452.45103.51771.09584.44462.92163.97411.78891.8020
H103.18622.43864.24181.09535.02143.97414.84931.79221.8020

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 103.849 S1 C3 H5 105.723
S1 C3 H6 111.261 S1 C3 H7 110.360
S2 S1 C3 103.849 S2 C4 H8 105.723
S2 C4 H9 111.261 S2 C4 H10 110.360
H5 C3 H6 109.191 H5 C3 H7 109.525
H6 C3 H7 110.648 H8 C4 H9 109.191
H8 C4 H10 109.525 H9 C4 H10 110.648
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.094      
2 S -0.094      
3 C -0.509      
4 C -0.509      
5 H 0.188      
6 H 0.203      
7 H 0.213      
8 H 0.188      
9 H 0.203      
10 H 0.213      


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 1.995 1.995
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.624 1.551 0.000
y 1.551 -35.482 0.000
z 0.000 0.000 -41.153
Traceless
 xyz
x -3.306 1.551 0.000
y 1.551 5.906 0.000
z 0.000 0.000 -2.600
Polar
3z2-r2-5.200
x2-y2-6.142
xy1.551
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.413 0.098 0.000
y 0.098 14.076 0.000
z 0.000 0.000 9.910


<r2> (average value of r2) Å2
<r2> 158.661
(<r2>)1/2 12.596