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

using model chemistry: PBEPBE/6-311G*

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/6-311G*
 hartrees
Energy at 0K-875.780688
Energy at 298.15K-875.786699
Nuclear repulsion energy218.904266
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/6-311G*
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 3082 3050 6.02      
2 A 3066 3034 9.67      
3 A 2980 2949 21.25      
4 A 1439 1424 0.47      
5 A 1432 1417 8.70      
6 A 1327 1313 1.26      
7 A 960 950 9.69      
8 A 951 942 2.04      
9 A 668 661 0.02      
10 A 465 460 0.44      
11 A 224 222 1.63      
12 A 160 158 0.02      
13 A 103 102 1.30      
14 B 3081 3049 11.12      
15 B 3066 3034 6.29      
16 B 2978 2947 25.26      
17 B 1444 1429 25.35      
18 B 1425 1410 13.50      
19 B 1320 1306 2.19      
20 B 958 948 23.58      
21 B 951 941 6.72      
22 B 669 662 4.57      
23 B 249 247 1.85      
24 B 170 168 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 16583.7 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 16411.2 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/6-311G*
ABC
0.26846 0.08915 0.08247

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.462 0.936 -0.496
S2 0.462 -0.936 -0.496
C3 0.462 1.844 0.799
C4 -0.462 -1.844 0.799
H5 0.059 2.868 0.798
H6 0.309 1.402 1.792
H7 1.533 1.879 0.560
H8 -0.059 -2.868 0.798
H9 -0.309 -1.402 1.792
H10 -1.533 -1.879 0.560

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.08851.83233.06752.38362.45952.44674.03903.27583.1917
S22.08853.06751.83234.03903.27583.19172.38362.45952.4467
C31.83233.06753.80281.10051.09791.09724.74143.48184.2307
C43.06751.83233.80284.74143.48184.23071.10051.09791.0972
H52.38364.03901.10054.74141.78831.79105.73784.40025.0125
H62.45953.27581.09793.48181.78831.80074.40022.87213.9590
H72.44673.19171.09724.23071.79101.80075.01253.95904.8494
H84.03902.38364.74141.10055.73784.40025.01251.78831.7910
H93.27582.45953.48181.09794.40022.87213.95901.78831.8007
H103.19172.44674.23071.09725.01253.95904.84941.79101.8007

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 102.756 S1 C3 H5 106.018
S1 C3 H6 111.675 S1 C3 H7 110.759
S2 S1 C3 102.756 S2 C4 H8 106.018
S2 C4 H9 111.675 S2 C4 H10 110.759
H5 C3 H6 108.869 H5 C3 H7 109.161
H6 C3 H7 110.230 H8 C4 H9 108.869
H8 C4 H10 109.161 H9 C4 H10 110.230
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.041      
2 S 0.041      
3 C -0.802      
4 C -0.802      
5 H 0.251      
6 H 0.248      
7 H 0.262      
8 H 0.251      
9 H 0.248      
10 H 0.262      


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 2.249 2.249
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.139 1.760 0.000
y 1.760 -35.737 0.000
z 0.000 0.000 -41.750
Traceless
 xyz
x -3.395 1.760 0.000
y 1.760 6.207 0.000
z 0.000 0.000 -2.812
Polar
3z2-r2-5.625
x2-y2-6.402
xy1.760
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.460 -0.306 0.000
y -0.306 12.183 0.000
z 0.000 0.000 7.894


<r2> (average value of r2) Å2
<r2> 159.397
(<r2>)1/2 12.625