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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-874.720488
Energy at 298.15K-874.726794
HF Energy-874.247482
Nuclear repulsion energy222.089180
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 3277 3027 4.44      
2 A 3261 3012 7.57      
3 A 3172 2930 19.02      
4 A 1568 1448 0.44      
5 A 1556 1437 7.47      
6 A 1468 1356 1.67      
7 A 1053 973 6.16      
8 A 1049 969 1.88      
9 A 768 710 0.31      
10 A 545 503 0.18      
11 A 248 229 1.63      
12 A 162 150 0.01      
13 A 100 92 1.44      
14 B 3276 3026 9.06      
15 B 3260 3011 5.21      
16 B 3169 2927 18.67      
17 B 1572 1452 18.19      
18 B 1549 1431 10.61      
19 B 1461 1350 4.04      
20 B 1055 975 18.26      
21 B 1044 964 2.59      
22 B 762 704 1.09      
23 B 278 257 1.32      
24 B 172 159 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 17912.5 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 16545.7 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
0.27152 0.09286 0.08524

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 1.027 -0.498
S2 0.000 -1.027 -0.498
C3 1.203 1.415 0.800
C4 -1.203 -1.415 0.800
H5 1.290 2.500 0.830
H6 0.866 1.064 1.772
H7 2.173 0.985 0.568
H8 -1.290 -2.500 0.830
H9 -0.866 -1.064 1.772
H10 -2.173 -0.985 0.568

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.05481.81153.01642.36582.42992.42073.98403.20613.1479
S22.05483.01641.81153.98403.20613.14792.36582.42992.4207
C31.81153.01643.71501.08881.08701.08614.64223.37294.1488
C43.01641.81153.71504.64223.37294.14881.08881.08701.0861
H52.36583.98401.08884.64221.76901.77295.62724.27154.9204
H62.42993.20611.08703.37291.76901.77824.27152.74493.8584
H72.42073.14791.08614.14881.77291.77824.92043.85844.7716
H83.98402.36584.64221.08885.62724.27154.92041.76901.7729
H93.20612.42993.37291.08704.27152.74493.85841.76901.7782
H103.14792.42074.14881.08614.92043.85844.77161.77291.7782

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 102.371 S1 C3 H5 106.646
S1 C3 H6 111.473 S1 C3 H7 110.822
S2 S1 C3 102.371 S2 C4 H8 106.646
S2 C4 H9 111.473 S2 C4 H10 110.822
H5 C3 H6 108.784 H5 C3 H7 109.201
H6 C3 H7 109.823 H8 C4 H9 108.784
H8 C4 H10 109.201 H9 C4 H10 109.823
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability