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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: B3LYPultrafine/6-31+G**

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 B3LYPultrafine/6-31+G**
Rotational Constants (cm-1) from geometry optimized at B3LYPultrafine/6-31+G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31+G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B3LYPultrafine/6-31+G**
 hartrees
Energy at 0K-1195.775286
Energy at 298.15K-1195.777588
HF Energy-1195.775286
Nuclear repulsion energy192.187414
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 B3LYPultrafine/6-31+G**
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' 2632 2533 18.51      
2 A' 875 842 5.67      
3 A' 467 449 0.43      
4 A' 343 330 22.93      
5 A' 200 192 0.15      
6 A" 2633 2535 0.58      
7 A" 865 833 9.83      
8 A" 448 432 41.08      
9 A" 323 311 10.12      

Unscaled Zero Point Vibrational Energy (zpe) 4392.3 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 4228.4 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 B3LYPultrafine/6-31+G**
ABC
0.46753 0.08577 0.07470

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.054 0.838 0.000
S2 -0.054 -0.387 1.706
S3 -0.054 -0.387 -1.706
H4 1.285 -0.513 1.865
H5 1.285 -0.513 -1.865

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.09982.09982.66352.6635
S22.09983.41161.35383.8154
S32.09983.41163.81541.3538
H42.66351.35383.81543.7298
H52.66353.81541.35383.7298

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.625 S1 S3 H5 98.625
S2 S1 S3 108.658
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.038      
2 S -0.062      
3 S -0.062      
4 H 0.081      
5 H 0.081      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.072 -0.540 0.000 2.141
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.014 -1.543 0.000
y -1.543 -42.566 0.000
z 0.000 0.000 -39.977
Traceless
 xyz
x 3.258 -1.543 0.000
y -1.543 -3.571 0.000
z 0.000 0.000 0.313
Polar
3z2-r20.626
x2-y24.552
xy-1.543
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.384 -0.290 0.000
y -0.290 7.264 0.000
z 0.000 0.000 12.772


<r2> (average value of r2) Å2
<r2> 145.148
(<r2>)1/2 12.048