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

using model chemistry: LSDA/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 LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-873.711882
Energy at 298.15K-873.717722
Nuclear repulsion energy221.996089
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/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 3091 3056 0.16      
2 A 3071 3037 4.24      
3 A 2970 2937 14.73      
4 A 1354 1339 0.16      
5 A 1345 1330 9.55      
6 A 1234 1220 0.59      
7 A 907 897 1.61      
8 A 898 888 1.70      
9 A 698 690 0.05      
10 A 510 505 0.61      
11 A 220 218 1.24      
12 A 115 113 0.16      
13 A 64 63 0.86      
14 B 3091 3056 2.93      
15 B 3075 3040 0.95      
16 B 2970 2936 11.73      
17 B 1361 1346 19.97      
18 B 1338 1323 13.66      
19 B 1224 1210 0.74      
20 B 908 898 13.30      
21 B 896 886 3.08      
22 B 700 692 6.85      
23 B 255 252 1.32      
24 B 145 144 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 16220.1 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 16036.8 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/aug-cc-pVDZ
ABC
0.26404 0.09516 0.08574

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.444 0.930 -0.515
S2 0.444 -0.930 -0.515
C3 0.444 1.760 0.826
C4 -0.444 -1.760 0.826
H5 0.031 2.785 0.890
H6 0.273 1.247 1.791
H7 1.525 1.811 0.602
H8 -0.031 -2.785 0.890
H9 -0.273 -1.247 1.791
H10 -1.525 -1.811 0.602

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.06051.81003.00492.37522.43512.42953.99293.17513.1508
S22.06053.00491.81003.99293.17513.15082.37522.43512.4295
C31.81003.00493.62991.10771.10611.10464.57013.23794.0841
C43.00491.81003.62994.57013.23794.08411.10771.10611.1046
H52.37523.99291.10774.57011.79911.80665.57084.14274.8611
H62.43513.17511.10613.23791.79911.81644.14272.55263.7410
H72.42953.15081.10464.08411.80661.81644.86113.74104.7354
H83.99292.37524.57011.10775.57084.14274.86111.79911.8066
H93.17512.43513.23791.10614.14272.55263.74101.79911.8164
H103.15082.42954.08411.10464.86113.74104.73541.80661.8164

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 101.658 S1 C3 H5 106.496
S1 C3 H6 110.925 S1 C3 H7 110.592
S2 S1 C3 101.658 S2 C4 H8 106.496
S2 C4 H9 110.925 S2 C4 H10 110.592
H5 C3 H6 108.722 H5 C3 H7 109.496
H6 C3 H7 110.502 H8 C4 H9 108.722
H8 C4 H10 109.496 H9 C4 H10 110.502
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.059      
2 S 0.059      
3 C 0.469      
4 C 0.469      
5 H -0.186      
6 H -0.201      
7 H -0.141      
8 H -0.186      
9 H -0.201      
10 H -0.141      


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 2.145 2.145
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.831 1.441 0.000
y 1.441 -35.759 0.000
z 0.000 0.000 -41.214
Traceless
 xyz
x -3.345 1.441 0.000
y 1.441 5.763 0.000
z 0.000 0.000 -2.419
Polar
3z2-r2-4.838
x2-y2-6.072
xy1.441
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.271 0.020 0.000
y 0.020 13.583 0.000
z 0.000 0.000 9.945


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