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

using model chemistry: B3LYP/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/cc-pV(T+d)Z
 hartrees
Energy at 0K-876.320861
Energy at 298.15K-876.326963
Nuclear repulsion energy220.676199
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 B3LYP/cc-pV(T+d)Z
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 3136 3027 6.12      
2 A 3118 3010 7.67      
3 A 3039 2934 15.51      
4 A 1478 1427 0.32      
5 A 1464 1413 5.95      
6 A 1346 1300 0.75      
7 A 972 938 3.05      
8 A 965 932 0.63      
9 A 679 656 0.01      
10 A 497 479 0.52      
11 A 232 224 0.86      
12 A 159 153 0.16      
13 A 108 104 1.26      
14 B 3135 3027 8.55      
15 B 3118 3010 5.78      
16 B 3038 2933 25.42      
17 B 1481 1429 15.94      
18 B 1459 1409 9.95      
19 B 1339 1293 6.26      
20 B 971 937 12.35      
21 B 960 927 1.82      
22 B 677 654 3.25      
23 B 261 252 0.76      
24 B 158 152 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 16894.5 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 16309.9 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 B3LYP/cc-pV(T+d)Z
ABC
0.27737 0.08970 0.08302

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pV(T+d)Z

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.453 0.921 -0.489
S2 0.453 -0.921 -0.489
C3 0.453 1.859 0.788
C4 -0.453 -1.859 0.788
H5 0.043 2.869 0.764
H6 0.296 1.434 1.777
H7 1.514 1.893 0.554
H8 -0.043 -2.869 0.764
H9 -0.296 -1.434 1.777
H10 -1.514 -1.893 0.554

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.05221.82493.05882.36872.44082.42954.01253.27183.1834
S22.05223.05881.82494.01253.27183.18342.36872.44082.4295
C31.82493.05883.82641.09051.08751.08704.75383.51904.2429
C43.05881.82493.82644.75383.51904.24291.09051.08751.0870
H52.36874.01251.09054.75381.77431.77765.73864.43395.0147
H62.44083.27181.08753.51901.77431.78554.43392.92923.9804
H72.42953.18341.08704.24291.77761.78555.01473.98044.8484
H84.01252.36874.75381.09055.73864.43395.01471.77431.7776
H93.27182.44083.51901.08754.43392.92923.98041.77431.7855
H103.18342.42954.24291.08705.01473.98044.84841.77761.7855

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 104.020 S1 C3 H5 105.912
S1 C3 H6 111.345 S1 C3 H7 110.516
S2 S1 C3 104.020 S2 C4 H8 105.912
S2 C4 H9 111.345 S2 C4 H10 110.516
H5 C3 H6 109.106 H5 C3 H7 109.443
H6 C3 H7 110.400 H8 C4 H9 109.106
H8 C4 H10 109.443 H9 C4 H10 110.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.062      
2 S -0.062      
3 C -0.271      
4 C -0.271      
5 H 0.105      
6 H 0.109      
7 H 0.119      
8 H 0.105      
9 H 0.109      
10 H 0.119      


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 1.989 1.989
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.382 1.511 0.000
y 1.511 -35.347 0.000
z 0.000 0.000 -40.982
Traceless
 xyz
x -3.218 1.511 0.000
y 1.511 5.836 0.000
z 0.000 0.000 -2.618
Polar
3z2-r2-5.235
x2-y2-6.036
xy1.511
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.802 0.021 0.000
y 0.021 12.649 0.000
z 0.000 0.000 8.374


<r2> (average value of r2) Å2
<r2> 157.827
(<r2>)1/2 12.563