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

using model chemistry: B97D3/TZVP

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/TZVP
 hartrees
Energy at 0K-876.236583
Energy at 298.15K-876.242557
HF Energy-876.236583
Nuclear repulsion energy218.670653
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/TZVP
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 3099 3055 8.66      
2 A 3083 3038 9.03      
3 A 2995 2952 20.74      
4 A 1448 1428 0.44      
5 A 1435 1415 6.10      
6 A 1324 1305 2.06      
7 A 957 943 4.40      
8 A 949 936 0.23      
9 A 647 638 0.01      
10 A 462 456 0.59      
11 A 226 223 1.21      
12 A 152 150 0.18      
13 A 102 100 1.24      
14 B 3098 3054 13.21      
15 B 3082 3038 9.12      
16 B 2993 2950 30.44      
17 B 1452 1431 19.74      
18 B 1430 1409 11.03      
19 B 1317 1298 6.19      
20 B 956 942 14.80      
21 B 946 932 2.86      
22 B 648 638 3.47      
23 B 255 251 1.12      
24 B 155 153 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 16605.1 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 16366.0 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/TZVP
ABC
0.26616 0.08914 0.08227

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.463 0.935 -0.500
S2 0.463 -0.935 -0.500
C3 0.463 1.847 0.806
C4 -0.463 -1.847 0.806
H5 0.057 2.864 0.812
H6 0.309 1.391 1.787
H7 1.527 1.879 0.563
H8 -0.057 -2.864 0.812
H9 -0.309 -1.391 1.787
H10 -1.527 -1.879 0.563

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.08671.84303.07342.39062.45622.44604.03993.26533.1902
S22.08673.07341.84304.03993.26533.19022.39062.45622.4460
C31.84303.07343.80911.09541.09251.09204.74043.47064.2316
C43.07341.84303.80914.74043.47064.23161.09541.09251.0920
H52.39064.03991.09544.74041.78451.78795.73014.38105.0070
H62.45623.26531.09253.47061.78451.79464.38102.84993.9449
H72.44603.19021.09204.23161.78791.79465.00703.94494.8426
H84.03992.39064.74041.09545.73014.38105.00701.78451.7879
H93.26532.45623.47061.09254.38102.84993.94491.78451.7946
H103.19022.44604.23161.09205.00703.94494.84261.78791.7946

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 102.729 S1 C3 H5 106.077
S1 C3 H6 110.987 S1 C3 H7 110.256
S2 S1 C3 102.729 S2 C4 H8 106.077
S2 C4 H9 110.987 S2 C4 H10 110.256
H5 C3 H6 109.301 H5 C3 H7 109.642
H6 C3 H7 110.475 H8 C4 H9 109.301
H8 C4 H10 109.642 H9 C4 H10 110.475
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.054      
2 S -0.054      
3 C -0.364      
4 C -0.364      
5 H 0.129      
6 H 0.139      
7 H 0.151      
8 H 0.129      
9 H 0.139      
10 H 0.151      


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 2.096 2.096
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.359 1.608 0.000
y 1.608 -35.288 0.000
z 0.000 0.000 -40.969
Traceless
 xyz
x -3.231 1.608 0.000
y 1.608 5.876 0.000
z 0.000 0.000 -2.645
Polar
3z2-r2-5.289
x2-y2-6.071
xy1.608
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.427 -0.048 0.000
y -0.048 12.342 0.000
z 0.000 0.000 8.088


<r2> (average value of r2) Å2
<r2> 159.183
(<r2>)1/2 12.617