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

using model chemistry: CID/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 CID/6-31G
 hartrees
Energy at 0K-874.440623
Energy at 298.15K-874.446549
Nuclear repulsion energy210.614897
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 CID/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 3246 3036 5.72      
2 A 3229 3020 7.36      
3 A 3133 2930 18.16      
4 A 1558 1457 0.05      
5 A 1545 1445 10.17      
6 A 1450 1356 3.06      
7 A 1037 970 7.00      
8 A 1034 967 1.74      
9 A 683 639 1.28      
10 A 438 409 0.00      
11 A 207 193 1.22      
12 A 138 129 0.00      
13 A 77 72 1.99      
14 B 3246 3036 9.53      
15 B 3228 3019 2.82      
16 B 3129 2926 16.81      
17 B 1561 1460 21.52      
18 B 1540 1441 12.84      
19 B 1444 1351 7.07      
20 B 1037 970 17.70      
21 B 1032 965 2.69      
22 B 679 635 0.84      
23 B 236 221 1.61      
24 B 149 139 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 17528.8 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 16393.0 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 CID/6-31G
ABC
0.24514 0.08228 0.07655

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.124 -0.516
S2 0.000 -1.124 -0.516
C3 1.276 1.470 0.835
C4 -1.276 -1.470 0.835
H5 1.378 2.557 0.878
H6 0.924 1.093 1.796
H7 2.228 1.014 0.569
H8 -1.378 -2.557 0.878
H9 -0.924 -1.093 1.796
H10 -2.228 -1.014 0.569

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.24721.89053.19092.42872.48982.48084.17023.33363.2727
S22.24723.19091.89054.17023.33363.27272.42872.48982.4808
C31.89053.19093.89321.09241.09021.08934.82343.51184.3035
C43.19091.89053.89324.82343.51184.30351.09241.09021.0893
H52.42874.17021.09244.82341.78631.78885.80974.41215.0847
H62.48983.33361.09023.51181.78631.79264.41212.86273.9851
H72.48083.27271.08934.30351.78881.79265.08473.98514.8961
H84.17022.42874.82341.09245.80974.41215.08471.78631.7888
H93.33362.48983.51181.09024.41212.86273.98511.78631.7926
H103.27272.48084.30351.08935.08473.98514.89611.78881.7926

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 100.565 S1 C3 H5 105.891
S1 C3 H6 110.396 S1 C3 H7 109.776
S2 S1 C3 100.565 S2 C4 H8 105.891
S2 C4 H9 110.396 S2 C4 H10 109.776
H5 C3 H6 109.860 H5 C3 H7 110.146
H6 C3 H7 110.665 H8 C4 H9 109.860
H8 C4 H10 110.146 H9 C4 H10 110.665
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability