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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-875.833262
Energy at 298.15K-875.839402
Nuclear repulsion energy221.101416
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 HSEh1PBE/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 3037 3.77      
2 A 3179 3023 7.57      
3 A 3085 2934 16.63      
4 A 1502 1428 0.44      
5 A 1491 1418 8.13      
6 A 1386 1318 1.24      
7 A 999 950 7.50      
8 A 993 945 1.78      
9 A 719 684 0.09      
10 A 518 493 0.29      
11 A 234 222 1.71      
12 A 156 149 0.02      
13 A 103 98 1.52      
14 B 3193 3037 6.93      
15 B 3178 3023 2.84      
16 B 3083 2932 17.90      
17 B 1506 1432 21.85      
18 B 1485 1412 12.87      
19 B 1379 1311 2.67      
20 B 1000 951 21.20      
21 B 989 940 4.02      
22 B 717 682 2.79      
23 B 262 249 1.63      
24 B 165 157 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 17257.7 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 16412.1 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 HSEh1PBE/6-31G*
ABC
0.27369 0.09113 0.08399

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.454 0.923 -0.494
S2 0.454 -0.923 -0.494
C3 0.454 1.830 0.794
C4 -0.454 -1.830 0.794
H5 0.051 2.848 0.792
H6 0.296 1.390 1.782
H7 1.521 1.865 0.565
H8 -0.051 -2.848 0.792
H9 -0.296 -1.390 1.782
H10 -1.521 -1.865 0.565

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.05621.81843.03922.36992.44172.43074.00433.24873.1675
S22.05623.03921.81844.00433.24873.16752.36992.44172.4307
C31.81843.03923.77071.09471.09271.09204.70513.45054.1958
C43.03921.81843.77074.70513.45054.19581.09471.09271.0920
H52.36994.00431.09474.70511.77921.78255.69694.36594.9736
H62.44173.24871.09273.45051.77921.79054.36592.84253.9216
H72.43073.16751.09204.19581.78251.79054.97363.92164.8132
H84.00432.36994.70511.09475.69694.36594.97361.77921.7825
H93.24872.44173.45051.09274.36592.84253.92161.77921.7905
H103.16752.43074.19581.09204.97363.92164.81321.78251.7905

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 103.162 S1 C3 H5 106.214
S1 C3 H6 111.580 S1 C3 H7 110.786
S2 S1 C3 103.162 S2 C4 H8 106.214
S2 C4 H9 111.580 S2 C4 H10 110.786
H5 C3 H6 108.854 H5 C3 H7 109.203
H6 C3 H7 110.089 H8 C4 H9 108.854
H8 C4 H10 109.203 H9 C4 H10 110.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.028      
2 S 0.028      
3 C -0.668      
4 C -0.668      
5 H 0.213      
6 H 0.207      
7 H 0.221      
8 H 0.213      
9 H 0.207      
10 H 0.221      


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 2.314 2.314
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.235 1.941 0.000
y 1.941 -34.854 0.000
z 0.000 0.000 -40.710
Traceless
 xyz
x -3.452 1.941 0.000
y 1.941 6.118 0.000
z 0.000 0.000 -2.666
Polar
3z2-r2-5.332
x2-y2-6.380
xy1.941
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.542 -0.233 0.000
y -0.233 10.940 0.000
z 0.000 0.000 6.963


<r2> (average value of r2) Å2
<r2> 156.276
(<r2>)1/2 12.501