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

using model chemistry: SVWN/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at SVWN/6-31+G**
 hartrees
Energy at 0K-873.676573
Energy at 298.15K-873.682540
HF Energy-873.676573
Nuclear repulsion energy221.998642
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 SVWN/6-31+G**
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 3097 3051 0.65      
2 A 3082 3036 5.01      
3 A 2984 2940 15.69      
4 A 1402 1381 0.45      
5 A 1391 1371 12.67      
6 A 1295 1276 0.26      
7 A 938 924 4.92      
8 A 931 917 2.33      
9 A 703 693 0.14      
10 A 508 501 0.57      
11 A 225 222 1.91      
12 A 134 132 0.12      
13 A 84 83 1.09      
14 B 3097 3051 2.72      
15 B 3084 3038 0.50      
16 B 2983 2939 14.09      
17 B 1408 1387 31.14      
18 B 1384 1364 20.12      
19 B 1288 1269 0.34      
20 B 939 925 18.05      
21 B 927 913 4.12      
22 B 703 693 7.52      
23 B 253 250 1.65      
24 B 161 159 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 16501.0 cm-1
Scaled (by 0.9851) Zero Point Vibrational Energy (zpe) 16255.1 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 SVWN/6-31+G**
ABC
0.27096 0.09338 0.08510

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.446 0.924 -0.503
S2 0.446 -0.924 -0.503
C3 0.446 1.794 0.806
C4 -0.446 -1.794 0.806
H5 0.048 2.823 0.825
H6 0.274 1.334 1.792
H7 1.525 1.831 0.590
H8 -0.048 -2.823 0.825
H9 -0.274 -1.334 1.792
H10 -1.525 -1.831 0.590

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.05111.80753.01652.36952.44022.42913.99473.22413.1534
S22.05113.01651.80753.99473.22413.15342.36952.44022.4291
C31.80753.01653.69751.10341.10171.10094.64353.35824.1318
C43.01651.80753.69754.64353.35824.13181.10341.10171.1009
H52.36953.99471.10344.64351.78981.79485.64674.28034.9179
H62.44023.22411.10173.35821.78981.80504.28032.72403.8340
H72.42913.15341.10094.13181.79481.80504.91793.83404.7653
H83.99472.36954.64351.10345.64674.28034.91791.78981.7948
H93.22412.44023.35821.10174.28032.72403.83401.78981.8050
H103.15342.42914.13181.10094.91793.83404.76531.79481.8050

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 102.660 S1 C3 H5 106.462
S1 C3 H6 111.719 S1 C3 H7 110.926
S2 S1 C3 102.660 S2 C4 H8 106.462
S2 C4 H9 111.719 S2 C4 H10 110.926
H5 C3 H6 108.515 H5 C3 H7 109.026
H6 C3 H7 110.067 H8 C4 H9 108.515
H8 C4 H10 109.026 H9 C4 H10 110.067
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.065      
2 S 0.065      
3 C -0.739      
4 C -0.739      
5 H 0.221      
6 H 0.218      
7 H 0.235      
8 H 0.221      
9 H 0.218      
10 H 0.235      


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 2.273 2.273
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.014 1.782 0.000
y 1.782 -35.594 0.000
z 0.000 0.000 -41.405
Traceless
 xyz
x -3.515 1.782 0.000
y 1.782 6.116 0.000
z 0.000 0.000 -2.601
Polar
3z2-r2-5.202
x2-y2-6.420
xy1.782
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.218 -0.057 0.000
y -0.057 12.430 0.000
z 0.000 0.000 8.614


<r2> (average value of r2) Å2
<r2> 154.827
(<r2>)1/2 12.443