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

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-876.260173
Energy at 298.15K-876.266187
HF Energy-876.260173
Nuclear repulsion energy220.946418
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 B97D3/6-311+G(3df,2p)
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 3085 3045 6.43      
2 A 3069 3029 7.98      
3 A 2984 2945 18.61      
4 A 1447 1428 0.62      
5 A 1434 1415 5.11      
6 A 1313 1296 0.60      
7 A 953 940 2.19      
8 A 944 931 0.45      
9 A 654 646 0.05      
10 A 479 473 0.65      
11 A 230 227 0.76      
12 A 157 155 0.24      
13 A 107 105 1.29      
14 B 3084 3044 10.10      
15 B 3069 3029 8.07      
16 B 2982 2943 31.76      
17 B 1450 1432 15.03      
18 B 1428 1410 10.14      
19 B 1305 1288 6.03      
20 B 950 937 10.20      
21 B 940 928 1.34      
22 B 654 646 3.97      
23 B 260 257 0.69      
24 B 152 150 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 16564.7 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 16349.4 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 B97D3/6-311+G(3df,2p)
ABC
0.27299 0.09107 0.08358

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.450 0.920 -0.497
S2 0.450 -0.920 -0.497
C3 0.450 1.838 0.802
C4 -0.450 -1.838 0.802
H5 0.048 2.856 0.786
H6 0.275 1.398 1.785
H7 1.517 1.862 0.578
H8 -0.048 -2.856 0.786
H9 -0.275 -1.398 1.785
H10 -1.517 -1.862 0.578

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.04761.82733.04822.37542.44202.43174.00793.25733.1674
S22.04763.04821.82734.00793.25733.16742.37542.44202.4317
C31.82733.04823.78421.09471.09171.09124.72013.45844.1959
C43.04821.82733.78424.72013.45844.19591.09471.09171.0912
H52.37544.00791.09474.72011.78261.78665.71274.38124.9748
H62.44203.25731.09173.45841.78261.79344.38122.84873.9106
H72.43173.16741.09124.19591.78661.79344.97483.91064.8035
H84.00792.37544.72011.09475.71274.38124.97481.78261.7866
H93.25732.44203.45841.09174.38122.84873.91061.78261.7934
H103.16742.43174.19591.09124.97483.91064.80351.78661.7934

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 103.471 S1 C3 H5 106.212
S1 C3 H6 111.148 S1 C3 H7 110.447
S2 S1 C3 103.471 S2 C4 H8 106.212
S2 C4 H9 111.148 S2 C4 H10 110.447
H5 C3 H6 109.115 H5 C3 H7 109.499
H6 C3 H7 110.319 H8 C4 H9 109.115
H8 C4 H10 109.499 H9 C4 H10 110.319
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.034      
2 S -0.034      
3 C -0.427      
4 C -0.427      
5 H 0.146      
6 H 0.153      
7 H 0.163      
8 H 0.146      
9 H 0.153      
10 H 0.163      


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 2.019 2.019
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.435 1.534 0.000
y 1.534 -35.448 0.000
z 0.000 0.000 -40.924
Traceless
 xyz
x -3.249 1.534 0.000
y 1.534 5.731 0.000
z 0.000 0.000 -2.482
Polar
3z2-r2-4.965
x2-y2-5.987
xy1.534
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.089 0.063 0.000
y 0.063 13.653 0.000
z 0.000 0.000 9.600


<r2> (average value of r2) Å2
<r2> 156.841
(<r2>)1/2 12.524