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

using model chemistry: LSDA/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at LSDA/6-311G*
 hartrees
Energy at 0K-873.738937
Energy at 298.15K-873.745005
Nuclear repulsion energy222.865359
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 LSDA/6-311G*
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 3076 3026 0.38      
2 A 3058 3008 6.68      
3 A 2971 2922 21.49      
4 A 1411 1388 0.04      
5 A 1408 1385 14.60      
6 A 1317 1296 0.29      
7 A 958 943 8.80      
8 A 945 929 4.07      
9 A 706 695 0.00      
10 A 491 483 0.49      
11 A 231 227 2.13      
12 A 156 153 0.36      
13 A 88 87 0.62      
14 B 3077 3026 5.38      
15 B 3062 3012 2.03      
16 B 2970 2922 13.28      
17 B 1419 1395 29.28      
18 B 1398 1375 19.31      
19 B 1307 1286 0.09      
20 B 957 941 29.04      
21 B 948 932 11.78      
22 B 706 695 6.13      
23 B 262 258 2.48      
24 B 180 177 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 16549.2 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 16279.5 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 LSDA/6-311G*
ABC
0.26403 0.09629 0.08682

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.447 0.928 -0.514
S2 0.447 -0.928 -0.514
C3 0.447 1.740 0.823
C4 -0.447 -1.740 0.823
H5 0.041 2.761 0.908
H6 0.293 1.225 1.783
H7 1.521 1.800 0.600
H8 -0.041 -2.761 0.908
H9 -0.293 -1.225 1.783
H10 -1.521 -1.800 0.600

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.06021.80112.98442.36982.43112.42303.97403.15203.1362
S22.06022.98441.80113.97403.15203.13622.36982.43112.4230
C31.80112.98443.59331.10141.10021.09854.52793.20364.0561
C42.98441.80113.59334.52793.20364.05611.10141.10021.0985
H52.36983.97401.10144.52791.78521.79115.52174.09434.8301
H62.43113.15201.10023.20361.78521.79894.09432.51963.7203
H72.42303.13621.09854.05611.79111.79894.83013.72034.7125
H83.97402.36984.52791.10145.52174.09434.83011.78521.7911
H93.15202.43113.20361.10024.09432.51963.72031.78521.7989
H103.13622.42304.05611.09854.83013.72034.71251.79111.7989

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 101.020 S1 C3 H5 106.986
S1 C3 H6 111.552 S1 C3 H7 111.030
S2 S1 C3 101.020 S2 C4 H8 106.986
S2 C4 H9 111.552 S2 C4 H10 111.030
H5 C3 H6 108.361 H5 C3 H7 109.009
H6 C3 H7 109.797 H8 C4 H9 108.361
H8 C4 H10 109.009 H9 C4 H10 109.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.070      
2 S 0.070      
3 C -0.907      
4 C -0.907      
5 H 0.278      
6 H 0.271      
7 H 0.288      
8 H 0.278      
9 H 0.271      
10 H 0.288      


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 2.313 2.313
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.273 1.623 0.000
y 1.623 -36.189 0.000
z 0.000 0.000 -41.666
Traceless
 xyz
x -3.346 1.623 0.000
y 1.623 5.780 0.000
z 0.000 0.000 -2.435
Polar
3z2-r2-4.870
x2-y2-6.084
xy1.623
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.398 -0.380 0.000
y -0.380 11.808 0.000
z 0.000 0.000 8.075


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000