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

using model chemistry: LSDA/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-873.777466
Energy at 298.15K-873.783417
Nuclear repulsion energy223.429754
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/cc-pVTZ
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 3077 3043 0.64      
2 A 3061 3027 4.94      
3 A 2969 2936 12.76      
4 A 1390 1375 0.37      
5 A 1377 1362 9.07      
6 A 1264 1250 0.31      
7 A 926 916 3.50      
8 A 917 907 1.40      
9 A 702 694 0.16      
10 A 520 514 0.60      
11 A 226 223 1.18      
12 A 124 123 0.04      
13 A 88 87 1.10      
14 B 3077 3044 2.50      
15 B 3063 3030 0.46      
16 B 2968 2935 12.83      
17 B 1395 1380 21.27      
18 B 1371 1356 15.36      
19 B 1258 1244 0.87      
20 B 924 914 14.37      
21 B 915 905 3.30      
22 B 702 694 7.87      
23 B 256 253 1.22      
24 B 148 147 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 16358.4 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 16180.1 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/cc-pVTZ
ABC
0.27509 0.09441 0.08624

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.445 0.914 -0.497
S2 0.445 -0.914 -0.497
C3 0.445 1.789 0.799
C4 -0.445 -1.789 0.799
H5 0.050 2.816 0.807
H6 0.268 1.334 1.782
H7 1.518 1.814 0.577
H8 -0.050 -2.816 0.807
H9 -0.268 -1.334 1.782
H10 -1.518 -1.814 0.577

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.03211.79912.99732.35902.42462.41243.97053.20583.1224
S22.03212.99731.79913.97053.20583.12242.35902.42462.4124
C31.79912.99733.68671.09981.09751.09664.63103.35054.1091
C42.99731.79913.68674.63103.35054.10911.09981.09751.0966
H52.35903.97051.09984.63101.78661.79195.63204.27424.8937
H62.42463.20581.09753.35051.78661.80144.27422.72113.8146
H72.41243.12241.09664.10911.79191.80144.89373.81464.7315
H83.97052.35904.63101.09985.63204.27424.89371.78661.7919
H93.20582.42463.35051.09754.27422.72113.81461.78661.8014
H103.12242.41244.10911.09664.89373.81464.73151.79191.8014

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 102.779 S1 C3 H5 106.419
S1 C3 H6 111.343 S1 C3 H7 110.477
S2 S1 C3 102.779 S2 C4 H8 106.419
S2 C4 H9 111.343 S2 C4 H10 110.477
H5 C3 H6 108.793 H5 C3 H7 109.335
H6 C3 H7 110.365 H8 C4 H9 108.793
H8 C4 H10 109.335 H9 C4 H10 110.365
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.046      
2 S -0.046      
3 C -0.351      
4 C -0.351      
5 H 0.125      
6 H 0.131      
7 H 0.141      
8 H 0.125      
9 H 0.131      
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 2.070 2.070
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.368 1.480 0.000
y 1.480 -35.389 0.000
z 0.000 0.000 -40.911
Traceless
 xyz
x -3.218 1.480 0.000
y 1.480 5.751 0.000
z 0.000 0.000 -2.533
Polar
3z2-r2-5.065
x2-y2-5.979
xy1.480
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.923 0.011 0.000
y 0.011 12.742 0.000
z 0.000 0.000 8.616


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