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

using model chemistry: B3LYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-876.259000
Energy at 298.15K-876.264969
Nuclear repulsion energy218.391341
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 B3LYP/aug-cc-pVDZ
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 3150 3057 4.75      
2 A 3131 3039 6.29      
3 A 3041 2951 16.32      
4 A 1437 1395 0.42      
5 A 1425 1383 5.97      
6 A 1309 1270 0.88      
7 A 951 923 2.14      
8 A 947 919 0.56      
9 A 676 656 0.05      
10 A 485 470 0.48      
11 A 224 218 0.84      
12 A 140 136 0.11      
13 A 92 90 1.39      
14 B 3150 3056 7.16      
15 B 3131 3039 5.84      
16 B 3039 2949 23.60      
17 B 1441 1399 15.76      
18 B 1420 1378 10.26      
19 B 1302 1263 6.44      
20 B 952 923 11.67      
21 B 942 914 1.41      
22 B 675 655 2.69      
23 B 255 247 0.89      
24 B 146 142 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 16730.8 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 16235.6 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 B3LYP/aug-cc-pVDZ
ABC
0.26811 0.08849 0.08188

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.046 -0.497
S2 0.000 -1.046 -0.497
C3 1.236 1.459 0.801
C4 -1.236 -1.459 0.801
H5 1.322 2.555 0.795
H6 0.896 1.131 1.790
H7 2.207 1.014 0.559
H8 -1.322 -2.555 0.795
H9 -0.896 -1.131 1.790
H10 -2.207 -1.014 0.559

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.09241.83903.08042.38582.45712.44684.04773.28163.1985
S22.09243.08041.83904.04773.28163.19852.38582.45712.4468
C31.83903.08043.82451.09891.09601.09544.75983.49704.2458
C43.08041.83903.82454.75983.49704.24581.09891.09601.0954
H52.38584.04771.09894.75981.78881.79245.75334.41495.0245
H62.45713.28161.09603.49701.78881.80184.41492.88503.9673
H72.44683.19851.09544.24581.79241.80185.02453.96734.8574
H84.04772.38584.75981.09895.75334.41495.02451.78881.7924
H93.28162.45713.49701.09604.41492.88503.96731.78881.8018
H103.19852.44684.24581.09545.02453.96734.85741.79241.8018

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 102.983 S1 C3 H5 105.829
S1 C3 H6 111.151 S1 C3 H7 110.412
S2 S1 C3 102.983 S2 C4 H8 105.829
S2 C4 H9 111.151 S2 C4 H10 110.412
H5 C3 H6 109.170 H5 C3 H7 109.538
H6 C3 H7 110.614 H8 C4 H9 109.170
H8 C4 H10 109.538 H9 C4 H10 110.614
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.056      
2 S 0.056      
3 C 0.658      
4 C 0.658      
5 H -0.256      
6 H -0.248      
7 H -0.209      
8 H -0.256      
9 H -0.248      
10 H -0.209      


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 2.069 2.069
CHELPG 0.000 0.000 0.000 0.000
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.407 3.441 0.000
y 3.441 -38.094 0.000
z 0.000 0.000 -41.446
Traceless
 xyz
x 0.363 3.441 0.000
y 3.441 2.332 0.000
z 0.000 0.000 -2.695
Polar
3z2-r2-5.390
x2-y2-1.313
xy3.441
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.029 1.783 0.000
y 1.783 12.683 0.000
z 0.000 0.000 9.652


<r2> (average value of r2) Å2
<r2> 160.069
(<r2>)1/2 12.652