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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: B3LYP/3-21G*

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/3-21G*
 hartrees
Energy at 0K-1190.207387
Energy at 298.15K-1190.209718
HF Energy-1190.207387
Nuclear repulsion energy193.524375
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/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 2642 2541 1.18      
2 A 906 871 0.81      
3 A 462 445 0.72      
4 A 334 322 29.98      
5 A 203 195 0.04      
6 B 2641 2541 18.43      
7 B 893 859 12.63      
8 B 431 415 29.02      
9 B 361 347 22.92      

Unscaled Zero Point Vibrational Energy (zpe) 4436.5 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 4267.9 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/3-21G*
ABC
0.46629 0.08757 0.07602

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.841
S2 0.000 1.689 -0.384
S3 0.000 -1.689 -0.384
H4 -1.333 1.795 -0.588
H5 1.333 -1.795 -0.588

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.08622.08622.65332.6533
S22.08623.37811.35303.7360
S32.08623.37813.73601.3530
H42.65331.35303.73604.4720
H52.65333.73601.35304.4720

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.733 S1 S3 H5 98.733
S2 S1 S3 108.122
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.044      
2 S -0.129      
3 S -0.129      
4 H 0.151      
5 H 0.151      


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 -0.668 0.668
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.645 -4.411 0.000
y -4.411 -39.941 0.000
z 0.000 0.000 -41.923
Traceless
 xyz
x 3.287 -4.411 0.000
y -4.411 -0.157 0.000
z 0.000 0.000 -3.130
Polar
3z2-r2-6.260
x2-y22.295
xy-4.411
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.203 -0.742 0.000
y -0.742 10.835 0.000
z 0.000 0.000 5.436


<r2> (average value of r2) Å2
<r2> 142.884
(<r2>)1/2 11.953

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-1190.206941
Energy at 298.15K-1190.209245
HF Energy-1190.206941
Nuclear repulsion energy193.554022
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/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' 2631 2531 24.31      
2 A' 907 873 5.39      
3 A' 463 445 0.83      
4 A' 344 331 21.88      
5 A' 204 196 0.18      
6 A" 2632 2532 2.07      
7 A" 895 861 10.15      
8 A" 433 416 36.15      
9 A" 324 312 8.58      

Unscaled Zero Point Vibrational Energy (zpe) 4415.5 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 4247.7 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 B3LYP/3-21G*
ABC
0.46772 0.08752 0.07603

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.054 0.838 0.000
S2 -0.054 -0.386 1.688
S3 -0.054 -0.386 -1.688
H4 1.284 -0.520 1.845
H5 1.284 -0.520 -1.845

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.08542.08542.65282.6528
S22.08543.37691.35373.7807
S32.08543.37693.78071.3537
H42.65281.35373.78073.6903
H52.65283.78071.35373.6903

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.723 S1 S3 H5 98.723
S2 S1 S3 108.124
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.044      
2 S -0.121      
3 S -0.121      
4 H 0.143      
5 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.100 -0.548 0.000 2.170
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.904 -1.540 0.000
y -1.540 -42.093 0.000
z 0.000 0.000 -39.641
Traceless
 xyz
x 2.963 -1.540 0.000
y -1.540 -3.321 0.000
z 0.000 0.000 0.358
Polar
3z2-r20.716
x2-y24.190
xy-1.540
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.178 -0.366 0.000
y -0.366 5.386 0.000
z 0.000 0.000 10.873


<r2> (average value of r2) Å2
<r2> 142.923
(<r2>)1/2 11.955