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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: B3LYPultrafine/3-21G

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/3-21G
Rotational Constants (cm-1) from geometry optimized at B3LYPultrafine/3-21G
See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B3LYPultrafine/3-21G
 hartrees
Energy at 0K-1189.865582
Energy at 298.15K-1189.867532
HF Energy-1189.865582
Nuclear repulsion energy178.758240
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/3-21G
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' 2425 2340 50.82      
2 A' 799 771 3.64      
3 A' 406 392 0.75      
4 A' 293 283 31.33      
5 A' 152 147 0.14      
6 A" 2424 2339 0.11      
7 A" 796 768 0.52      
8 A" 395 381 28.55      
9 A" 261 252 12.02      

Unscaled Zero Point Vibrational Energy (zpe) 3975.7 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 3836.2 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/3-21G
ABC
0.37212 0.07612 0.06498

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.055 0.947 0.000
S2 -0.055 -0.440 1.813
S3 -0.055 -0.440 -1.813
H4 1.317 -0.533 1.931
H5 1.317 -0.533 -1.931

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.28282.28282.79262.7926
S22.28283.62681.37983.9889
S32.28283.62683.98891.3798
H42.79261.37983.98893.8622
H52.79263.98891.37983.8622

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 96.232 S1 S3 H5 96.232
S2 S1 S3 105.196
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.041      
2 S -0.079      
3 S -0.079      
4 H 0.100      
5 H 0.100      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.589 -0.452 0.000 2.628
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.100 -1.668 0.000
y -1.668 -42.989 0.000
z 0.000 0.000 -40.870
Traceless
 xyz
x 2.830 -1.668 0.000
y -1.668 -3.004 0.000
z 0.000 0.000 0.174
Polar
3z2-r20.349
x2-y23.889
xy-1.668
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.141 -0.376 0.000
y -0.376 5.835 0.000
z 0.000 0.000 12.997


<r2> (average value of r2) Å2
<r2> 163.000
(<r2>)1/2 12.767