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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS cis 1A'

Conformer 1 (C2 trans)

Jump to S1C2
Vibrational Frequencies calculated at B2PLYP/6-31G*
Rotational Constants (cm-1) from geometry optimized at B2PLYP/6-31G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-1195.275661
Energy at 298.15K-1195.278026
HF Energy-1195.154277
Nuclear repulsion energy193.724502
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 B2PLYP/6-31G*
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' 2687 2550 31.59      
2 A' 911 865 7.08      
3 A' 487 462 0.86      
4 A' 347 330 23.10      
5 A' 207 196 0.22      
6 A" 2689 2552 2.29      
7 A" 901 855 10.50      
8 A" 479 455 31.41      
9 A" 325 308 11.29      

Unscaled Zero Point Vibrational Energy (zpe) 4515.7 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 4286.3 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 B2PLYP/6-31G*
ABC
0.47004 0.08755 0.07609

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.053 0.836 0.000
S2 -0.053 -0.385 1.688
S3 -0.053 -0.385 -1.688
H4 1.280 -0.522 1.849
H5 1.280 -0.522 -1.849

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.08342.08342.65282.6528
S22.08343.37631.34943.7821
S32.08343.37633.78211.3494
H42.65281.34943.78213.6973
H52.65283.78211.34943.6973

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.961 S1 S3 H5 98.961
S2 S1 S3 108.248
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.039      
2 S -0.096      
3 S -0.096      
4 H 0.116      
5 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.128 -0.568 0.000 2.202
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.904 -1.617 0.000
y -1.617 -42.410 0.000
z 0.000 0.000 -39.825
Traceless
 xyz
x 3.213 -1.617 0.000
y -1.617 -3.545 0.000
z 0.000 0.000 0.331
Polar
3z2-r20.663
x2-y24.506
xy-1.617
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.356 -0.334 0.000
y -0.334 5.798 0.000
z 0.000 0.000 11.050


<r2> (average value of r2) Å2
<r2> 142.920
(<r2>)1/2 11.955