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

using model chemistry: HF/daug-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/daug-cc-pVTZ
 hartrees
Energy at 0K-874.357733
Energy at 298.15K-874.364097
HF Energy-874.357733
Nuclear repulsion energy222.005847
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/daug-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 2966 7.51      
2 A 3260 2949 8.43      
3 A 3182 2878 22.45      
4 A 1597 1445 0.13      
5 A 1584 1433 6.75      
6 A 1477 1336 1.92      
7 A 1060 959 2.61      
8 A 1060 959 0.02      
9 A 760 688 0.78      
10 A 551 498 0.39      
11 A 252 228 1.18      
12 A 167 151 0.02      
13 A 103 93 1.81      
14 B 3278 2965 12.21      
15 B 3259 2948 10.14      
16 B 3180 2876 33.34      
17 B 1601 1448 15.04      
18 B 1579 1428 9.02      
19 B 1469 1329 10.99      
20 B 1065 963 11.86      
21 B 1050 950 0.73      
22 B 753 681 1.16      
23 B 283 256 0.96      
24 B 175 159 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 18011.1 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 16292.8 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 HF/daug-cc-pVTZ
ABC
0.27808 0.09125 0.08437

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-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 0.312 1.389 1.760
H7 1.503 1.880 0.545
H8 -0.039 -2.834 0.791
H9 -0.312 -1.389 1.760
H10 -1.503 -1.880 0.545

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.04861.81283.03472.35562.42142.41163.98703.22543.1629
S22.04863.03471.81283.98703.22543.16292.35562.42142.4116
C31.81283.03473.77921.08211.07921.07874.69483.45314.2048
C43.03471.81283.77924.69483.45314.20481.08211.07921.0787
H52.35563.98701.08214.69481.76141.76505.66934.34744.9661
H62.42143.22541.07923.45311.76141.77064.34742.84763.9318
H72.41163.16291.07874.20481.76501.77064.96613.93184.8136
H83.98702.35564.69481.08215.66934.34744.96611.76141.7650
H93.22542.42143.45311.07924.34742.84763.93181.76141.7706
H103.16292.41164.20481.07874.96613.93184.81361.76501.7706

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 103.439 S1 C3 H5 106.159
S1 C3 H6 111.163 S1 C3 H7 110.445
S2 S1 C3 103.439 S2 C4 H8 106.159
S2 C4 H9 111.163 S2 C4 H10 110.445
H5 C3 H6 109.164 H5 C3 H7 109.537
H6 C3 H7 110.274 H8 C4 H9 109.164
H8 C4 H10 109.537 H9 C4 H10 110.274
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.400      
2 S -0.400      
3 C -1.172      
4 C -1.172      
5 H 0.537      
6 H 0.503      
7 H 0.531      
8 H 0.537      
9 H 0.503      
10 H 0.531      


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 -41.924 1.883 0.000
y 1.883 -35.374 0.000
z 0.000 0.000 -41.297
Traceless
 xyz
x -3.589 1.883 0.000
y 1.883 6.237 0.000
z 0.000 0.000 -2.648
Polar
3z2-r2-5.295
x2-y2-6.550
xy1.883
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.576 -0.020 0.000
y -0.020 12.367 0.000
z 0.000 0.000 8.991


<r2> (average value of r2) Å2
<r2> 155.942
(<r2>)1/2 12.488