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

using model chemistry: M06-2X/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-871.950985
Energy at 298.15K-871.957209
HF Energy-871.950985
Nuclear repulsion energy222.055975
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 M06-2X/3-21G*
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 3178 3010 2.97      
2 A 3152 2986 6.04      
3 A 3070 2908 10.18      
4 A 1548 1466 0.23      
5 A 1534 1453 12.34      
6 A 1429 1353 0.06      
7 A 1025 971 1.57      
8 A 1016 963 8.44      
9 A 692 656 0.27      
10 A 524 496 0.43      
11 A 243 231 1.44      
12 A 167 158 0.05      
13 A 90 85 1.18      
14 B 3178 3010 3.27      
15 B 3151 2985 0.68      
16 B 3068 2906 8.62      
17 B 1554 1472 24.80      
18 B 1528 1447 16.91      
19 B 1420 1345 0.46      
20 B 1034 980 23.84      
21 B 1006 953 5.42      
22 B 690 653 1.68      
23 B 274 259 1.28      
24 B 189 179 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 17380.9 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 16463.2 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 M06-2X/3-21G*
ABC
0.26315 0.09458 0.08610

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.457 0.916 -0.509
S2 0.457 -0.916 -0.509
C3 0.457 1.775 0.818
C4 -0.457 -1.775 0.818
H5 0.060 2.793 0.873
H6 0.304 1.280 1.779
H7 1.522 1.811 0.581
H8 -0.060 -2.793 0.873
H9 -0.304 -1.280 1.779
H10 -1.522 -1.811 0.581

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.04831.82663.00122.38752.43892.42993.97863.17553.1239
S22.04833.00121.82663.97863.17553.12392.38752.43892.4299
C31.82663.00123.66661.09411.09201.09104.59793.29204.1029
C43.00121.82663.66664.59793.29204.10291.09411.09201.0910
H52.38753.97861.09414.59791.78061.78545.58754.18844.8768
H62.43893.17551.09203.29201.78061.78924.18842.63093.7844
H72.42993.12391.09104.10291.78541.78924.87683.78444.7306
H83.97862.38754.59791.09415.58754.18844.87681.78061.7854
H93.17552.43893.29201.09204.18842.63093.78441.78061.7892
H103.12392.42994.10291.09104.87683.78444.73061.78541.7892

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 101.369 S1 C3 H5 106.967
S1 C3 H6 110.840 S1 C3 H7 110.215
S2 S1 C3 101.369 S2 C4 H8 106.967
S2 C4 H9 110.840 S2 C4 H10 110.215
H5 C3 H6 109.081 H5 C3 H7 109.581
H6 C3 H7 110.093 H8 C4 H9 109.081
H8 C4 H10 109.581 H9 C4 H10 110.093
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.051      
2 S 0.051      
3 C -0.749      
4 C -0.749      
5 H 0.234      
6 H 0.224      
7 H 0.240      
8 H 0.234      
9 H 0.224      
10 H 0.240      


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 2.265 2.265
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.623 1.775 0.000
y 1.775 -35.773 0.000
z 0.000 0.000 -41.066
Traceless
 xyz
x -3.203 1.775 0.000
y 1.775 5.571 0.000
z 0.000 0.000 -2.368
Polar
3z2-r2-4.735
x2-y2-5.850
xy1.775
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.053 -0.234 0.000
y -0.234 10.295 0.000
z 0.000 0.000 6.584


<r2> (average value of r2) Å2
<r2> 153.681
(<r2>)1/2 12.397