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

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-876.109643
Energy at 298.15K-876.115534
HF Energy-876.109643
Nuclear repulsion energy216.099799
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 BLYP/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 3087 3062 8.08      
2 A 3068 3043 10.07      
3 A 2987 2963 15.95      
4 A 1469 1457 0.53      
5 A 1455 1444 4.98      
6 A 1336 1325 4.54      
7 A 958 950 6.32      
8 A 952 944 1.42      
9 A 636 631 0.04      
10 A 453 449 0.31      
11 A 217 215 1.24      
12 A 152 151 0.06      
13 A 101 101 1.46      
14 B 3086 3061 12.22      
15 B 3068 3043 6.72      
16 B 2986 2961 23.39      
17 B 1472 1460 18.04      
18 B 1450 1438 8.83      
19 B 1329 1318 10.94      
20 B 957 949 18.45      
21 B 948 940 3.60      
22 B 636 631 2.87      
23 B 244 242 1.34      
24 B 155 153 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 16600.3 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 16465.8 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 BLYP/6-31G*
ABC
0.26617 0.08581 0.07955

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.462 0.935 -0.490
S2 0.462 -0.935 -0.490
C3 0.462 1.901 0.788
C4 -0.462 -1.901 0.788
H5 0.036 2.918 0.777
H6 0.331 1.475 1.794
H7 1.532 1.958 0.542
H8 -0.036 -2.918 0.777
H9 -0.331 -1.475 1.794
H10 -1.532 -1.958 0.542

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.08541.84993.11102.40522.47762.46684.07793.32323.2521
S22.08543.11101.84994.07793.32323.25212.40522.47762.4668
C31.84993.11103.91301.10221.09991.09934.84453.61114.3503
C43.11101.84993.91304.84453.61114.35031.10221.09991.0993
H52.40524.07791.10224.84451.78941.79305.83574.52405.1264
H62.47763.32321.09993.61111.78941.80064.52403.02384.1013
H72.46683.25211.09934.35031.79301.80065.12644.10134.9711
H84.07792.40524.84451.10225.83574.52405.12641.78941.7930
H93.32322.47763.61111.09994.52403.02384.10131.78941.8006
H103.25212.46684.35031.09935.12644.10134.97111.79301.8006

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 104.313 S1 C3 H5 106.352
S1 C3 H6 111.727 S1 C3 H7 110.960
S2 S1 C3 104.313 S2 C4 H8 106.352
S2 C4 H9 111.727 S2 C4 H10 110.960
H5 C3 H6 108.699 H5 C3 H7 109.067
H6 C3 H7 109.920 H8 C4 H9 108.699
H8 C4 H10 109.067 H9 C4 H10 109.920
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.010      
2 S 0.010      
3 C -0.535      
4 C -0.535      
5 H 0.173      
6 H 0.171      
7 H 0.182      
8 H 0.173      
9 H 0.171      
10 H 0.182      


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 2.196 2.196
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.236 1.854 0.000
y 1.854 -34.869 0.000
z 0.000 0.000 -40.778
Traceless
 xyz
x -3.412 1.854 0.000
y 1.854 6.138 0.000
z 0.000 0.000 -2.726
Polar
3z2-r2-5.451
x2-y2-6.367
xy1.854
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.751 -0.236 0.000
y -0.236 11.783 0.000
z 0.000 0.000 7.166


<r2> (average value of r2) Å2
<r2> 163.352
(<r2>)1/2 12.781