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

using model chemistry: BLYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-876.162472
Energy at 298.15K-876.168316
Nuclear repulsion energy215.723806
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 BLYP/aug-cc-pVDZ
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 3073 3067 6.20      
2 A 3053 3047 6.77      
3 A 2965 2960 15.61      
4 A 1398 1396 0.37      
5 A 1387 1384 4.89      
6 A 1263 1261 1.43      
7 A 919 918 2.05      
8 A 913 912 0.34      
9 A 627 626 0.00      
10 A 453 452 0.65      
11 A 214 213 0.66      
12 A 152 151 0.15      
13 A 96 96 1.31      
14 B 3072 3066 7.73      
15 B 3053 3047 7.36      
16 B 2964 2958 26.40      
17 B 1401 1398 15.26      
18 B 1382 1379 8.97      
19 B 1256 1253 8.19      
20 B 917 916 10.47      
21 B 910 908 1.37      
22 B 628 627 3.83      
23 B 242 241 0.76      
24 B 146 146 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 16240.6 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 16209.7 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 BLYP/aug-cc-pVDZ
ABC
0.26407 0.08574 0.07950

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.467 0.949 -0.500
S2 0.467 -0.949 -0.500
C3 0.467 1.892 0.807
C4 -0.467 -1.892 0.807
H5 0.055 2.918 0.784
H6 0.304 1.454 1.806
H7 1.542 1.920 0.563
H8 -0.055 -2.918 0.784
H9 -0.304 -1.454 1.806
H10 -1.542 -1.920 0.563

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.11651.86283.12752.40722.48282.47174.09543.33463.2430
S22.11653.12751.86284.09543.33463.24302.40722.48282.4717
C31.86283.12753.89791.10581.10251.10204.83803.57654.3159
C43.12751.86283.89794.83803.57654.31591.10581.10251.1020
H52.40724.09541.10584.83801.80181.80445.83634.50425.0989
H62.48283.33461.10253.57651.80181.81454.50422.97174.0417
H72.47173.24301.10204.31591.80441.81455.09894.04174.9247
H84.09542.40724.83801.10585.83634.50425.09891.80181.8044
H93.33462.48283.57651.10254.50422.97174.04171.80181.8145
H103.24302.47174.31591.10205.09894.04174.92471.80441.8145

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 103.429 S1 C3 H5 105.511
S1 C3 H6 111.099 S1 C3 H7 110.306
S2 S1 C3 103.429 S2 C4 H8 105.511
S2 C4 H9 111.099 S2 C4 H10 110.306
H5 C3 H6 109.364 H5 C3 H7 109.627
H6 C3 H7 110.792 H8 C4 H9 109.364
H8 C4 H10 109.627 H9 C4 H10 110.792
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.054      
2 S 0.054      
3 C 0.825      
4 C 0.825      
5 H -0.312      
6 H -0.300      
7 H -0.267      
8 H -0.312      
9 H -0.300      
10 H -0.267      


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 1.994 1.994
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.144 1.497 0.000
y 1.497 -35.939 0.000
z 0.000 0.000 -41.774
Traceless
 xyz
x -3.287 1.497 0.000
y 1.497 6.020 0.000
z 0.000 0.000 -2.733
Polar
3z2-r2-5.466
x2-y2-6.204
xy1.497
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.548 0.090 0.000
y 0.090 14.462 0.000
z 0.000 0.000 10.105


<r2> (average value of r2) Å2
<r2> 164.133
(<r2>)1/2 12.811