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

using model chemistry: HF/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/aug-cc-pVTZ
 hartrees
Energy at 0K-874.357519
Energy at 298.15K-874.363902
Nuclear repulsion energy221.995849
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 HF/aug-cc-pVTZ
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 3279 2985 7.55      
2 A 3260 2968 8.39      
3 A 3182 2896 22.44      
4 A 1598 1455 0.13      
5 A 1584 1442 6.75      
6 A 1478 1345 1.94      
7 A 1060 965 2.53      
8 A 1060 965 0.07      
9 A 760 692 0.78      
10 A 551 501 0.39      
11 A 252 229 1.18      
12 A 167 152 0.02      
13 A 103 94 1.81      
14 B 3278 2984 12.16      
15 B 3259 2967 10.17      
16 B 3180 2895 33.38      
17 B 1601 1458 15.06      
18 B 1579 1438 9.01      
19 B 1470 1338 10.96      
20 B 1065 969 11.85      
21 B 1050 956 0.73      
22 B 753 686 1.16      
23 B 283 257 0.96      
24 B 175 159 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 18012.3 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 16398.4 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 HF/aug-cc-pVTZ
ABC
0.27806 0.09124 0.08436

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.453 0.919 -0.489
S2 0.453 -0.919 -0.489
C3 0.453 1.835 0.787
C4 -0.453 -1.835 0.787
H5 0.039 2.834 0.791
H6 0.313 1.389 1.760
H7 1.503 1.880 0.544
H8 -0.039 -2.834 0.791
H9 -0.313 -1.389 1.760
H10 -1.503 -1.880 0.544

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.04891.81283.03472.35562.42142.41163.98713.22543.1629
S22.04893.03471.81283.98713.22543.16292.35562.42142.4116
C31.81283.03473.77941.08211.07921.07874.69493.45334.2051
C43.03471.81283.77944.69493.45334.20511.08211.07921.0787
H52.35563.98711.08214.69491.76141.76505.66944.34754.9663
H62.42143.22541.07923.45331.76141.77064.34752.84783.9321
H72.41163.16291.07874.20511.76501.77064.96633.93214.8138
H83.98712.35564.69491.08215.66944.34754.96631.76141.7650
H93.22542.42143.45331.07924.34752.84783.93211.76141.7706
H103.16292.41164.20511.07874.96633.93214.81381.76501.7706

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 103.432 S1 C3 H5 106.158
S1 C3 H6 111.162 S1 C3 H7 110.444
S2 S1 C3 103.432 S2 C4 H8 106.158
S2 C4 H9 111.162 S2 C4 H10 110.444
H5 C3 H6 109.162 H5 C3 H7 109.536
H6 C3 H7 110.279 H8 C4 H9 109.162
H8 C4 H10 109.536 H9 C4 H10 110.279
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.143      
2 S -0.143      
3 C -0.747      
4 C -0.747      
5 H 0.295      
6 H 0.297      
7 H 0.299      
8 H 0.295      
9 H 0.297      
10 H 0.299      


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 2.239 2.239
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.935 1.878 0.000
y 1.878 -35.366 0.000
z 0.000 0.000 -41.303
Traceless
 xyz
x -3.600 1.878 0.000
y 1.878 6.252 0.000
z 0.000 0.000 -2.652
Polar
3z2-r2-5.305
x2-y2-6.568
xy1.878
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.559 -0.022 0.000
y -0.022 12.356 0.000
z 0.000 0.000 8.972


<r2> (average value of r2) Å2
<r2> 155.953
(<r2>)1/2 12.488