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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: B2PLYP/TZVP

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

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B2PLYP/TZVP
 hartrees
Energy at 0K-1195.372232
Energy at 298.15K-1195.374573
HF Energy-1195.235280
Nuclear repulsion energy192.983173
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/TZVP
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' 2669 2547 12.06      
2 A' 883 843 4.09      
3 A' 481 459 0.53      
4 A' 342 326 21.11      
5 A' 202 193 0.11      
6 A" 2671 2549 0.27      
7 A" 872 832 5.58      
8 A" 469 448 33.66      
9 A" 316 302 10.74      

Unscaled Zero Point Vibrational Energy (zpe) 4451.7 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 4248.7 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/TZVP
ABC
0.45871 0.08738 0.07567

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.053 0.847 0.000
S2 -0.053 -0.391 1.690
S3 -0.053 -0.391 -1.690
H4 1.282 -0.519 1.829
H5 1.282 -0.519 -1.829

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.09512.09512.64502.6450
S22.09513.38091.34923.7670
S32.09513.38093.76701.3492
H42.64501.34923.76703.6587
H52.64503.76701.34923.6587

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.996 S1 S3 H5 97.996
S2 S1 S3 107.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.047      
2 S -0.072      
3 S -0.072      
4 H 0.096      
5 H 0.096      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.045 -0.546 0.000 2.116
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.759 -1.559 0.000
y -1.559 -42.181 0.000
z 0.000 0.000 -39.592
Traceless
 xyz
x 3.128 -1.559 0.000
y -1.559 -3.506 0.000
z 0.000 0.000 0.378
Polar
3z2-r20.755
x2-y24.423
xy-1.559
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.628 -0.325 0.000
y -0.325 6.104 0.000
z 0.000 0.000 11.291


<r2> (average value of r2) Å2
<r2> 143.348
(<r2>)1/2 11.973