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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: B3LYP/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 trans 1A
1 2 no CS cis 1A'

Conformer 1 (C2 trans)

Jump to S1C2
Energy calculated at B3LYP/CEP-31G*
 hartrees
Energy at 0K-31.641724
Energy at 298.15K-31.643995
HF Energy-31.641724
Nuclear repulsion energy32.369397
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 B3LYP/CEP-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 2620 2530 1.23      
2 A 870 840 0.90      
3 A 473 456 0.80      
4 A 315 304 32.57      
5 A 195 188 0.02      
6 B 2620 2530 32.87      
7 B 856 827 13.29      
8 B 452 436 39.80      
9 B 340 329 21.89      

Unscaled Zero Point Vibrational Energy (zpe) 4369.8 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 4219.9 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 B3LYP/CEP-31G*
ABC
0.45757 0.08481 0.07376

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.848
S2 0.000 1.716 -0.388
S3 0.000 -1.716 -0.388
H4 -1.349 1.825 -0.572
H5 1.349 -1.825 -0.572

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.11562.11562.67742.6774
S22.11563.43291.36613.7940
S32.11563.43293.79401.3661
H42.67741.36613.79404.5389
H52.67743.79401.36614.5389

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.221 S1 S3 H5 98.221
S2 S1 S3 108.455
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.047      
2 S -0.116      
3 S -0.116      
4 H 0.139      
5 H 0.139      


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 -0.697 0.697
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.874 -4.708 0.000
y -4.708 -37.385 0.000
z 0.000 0.000 -39.640
Traceless
 xyz
x 3.638 -4.708 0.000
y -4.708 -0.127 0.000
z 0.000 0.000 -3.511
Polar
3z2-r2-7.021
x2-y22.510
xy-4.708
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.007 -0.632 0.000
y -0.632 11.606 0.000
z 0.000 0.000 5.797


<r2> (average value of r2) Å2
<r2> 75.735
(<r2>)1/2 8.703

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B3LYP/CEP-31G*
 hartrees
Energy at 0K-31.641186
Energy at 298.15K-31.643464
HF Energy-31.641186
Nuclear repulsion energy32.374516
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 B3LYP/CEP-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' 2614 2524 42.05      
2 A' 870 840 5.94      
3 A' 473 456 0.78      
4 A' 340 329 23.57      
5 A' 195 189 0.16      
6 A" 2615 2525 1.48      
7 A" 859 830 9.56      
8 A" 453 437 44.48      
9 A" 318 307 9.74      

Unscaled Zero Point Vibrational Energy (zpe) 4368.6 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 4218.8 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 B3LYP/CEP-31G*
ABC
0.45914 0.08469 0.07372

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.054 0.845 0.000
S2 -0.054 -0.391 1.717
S3 -0.054 -0.391 -1.717
H4 1.298 -0.508 1.875
H5 1.298 -0.508 -1.875

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.11512.11512.67842.6784
S22.11513.43311.36683.8393
S32.11513.43313.83931.3668
H42.67841.36683.83933.7493
H52.67843.83931.36683.7493

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.271 S1 S3 H5 98.271
S2 S1 S3 108.498
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.047      
2 S -0.108      
3 S -0.108      
4 H 0.131      
5 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.217 -0.580 0.000 2.291
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.136 -1.564 0.000
y -1.564 -39.807 0.000
z 0.000 0.000 -37.065
Traceless
 xyz
x 3.300 -1.564 0.000
y -1.564 -3.706 0.000
z 0.000 0.000 0.407
Polar
3z2-r20.814
x2-y24.671
xy-1.564
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.988 -0.293 0.000
y -0.293 5.753 0.000
z 0.000 0.000 11.640


<r2> (average value of r2) Å2
<r2> 75.764
(<r2>)1/2 8.704