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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: mPW1PW91/6-31G

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 mPW1PW91/6-31G
 hartrees
Energy at 0K-1195.678937
Energy at 298.15K-1195.681020
HF Energy-1195.678937
Nuclear repulsion energy182.497996
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 mPW1PW91/6-31G
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 2534 2398 0.13      
2 A 816 773 0.00      
3 A 432 409 1.17      
4 A 288 272 48.24      
5 A 169 160 0.01      
6 B 2535 2399 54.20      
7 B 811 767 5.12      
8 B 423 400 27.62      
9 B 306 290 29.43      

Unscaled Zero Point Vibrational Energy (zpe) 4156.9 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 3934.9 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 mPW1PW91/6-31G
ABC
0.40065 0.07853 0.06756

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.912
S2 0.000 1.786 -0.417
S3 0.000 -1.786 -0.417
H4 -1.361 1.868 -0.615
H5 1.361 -1.868 -0.615

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.22612.22612.76982.7698
S22.22613.57151.37753.9036
S32.22613.57153.90361.3775
H42.76981.37753.90364.6216
H52.76983.90361.37754.6216

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.670 S1 S3 H5 97.670
S2 S1 S3 106.675
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.049      
2 S -0.075      
3 S -0.075      
4 H 0.099      
5 H 0.099      


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 -0.701 0.701
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.202 -5.753 0.000
y -5.753 -41.244 0.000
z 0.000 0.000 -42.761
Traceless
 xyz
x 3.800 -5.753 0.000
y -5.753 -0.762 0.000
z 0.000 0.000 -3.038
Polar
3z2-r2-6.076
x2-y23.042
xy-5.753
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.360 -0.829 0.000
y -0.829 12.776 0.000
z 0.000 0.000 6.105


<r2> (average value of r2) Å2
<r2> 157.801
(<r2>)1/2 12.562

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-1195.677791
Energy at 298.15K-1195.679828
HF Energy-1195.677791
Nuclear repulsion energy182.352761
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 mPW1PW91/6-31G
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' 2523 2388 70.25      
2 A' 812 769 5.98      
3 A' 432 409 0.90      
4 A' 296 280 36.52      
5 A' 171 162 0.36      
6 A" 2522 2388 0.04      
7 A" 812 768 1.31      
8 A" 424 401 31.91      
9 A" 261 247 13.93      

Unscaled Zero Point Vibrational Energy (zpe) 4126.0 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 3905.7 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 mPW1PW91/6-31G
ABC
0.40427 0.07810 0.06735

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.055 0.905 0.000
S2 -0.055 -0.420 1.789
S3 -0.055 -0.420 -1.789
H4 1.312 -0.523 1.945
H5 1.312 -0.523 -1.945

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.22622.22622.77272.7727
S22.22623.57771.37903.9769
S32.22623.57773.97691.3790
H42.77271.37903.97693.8891
H52.77273.97691.37903.8891

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.772 S1 S3 H5 97.772
S2 S1 S3 106.940
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.050      
2 S -0.064      
3 S -0.064      
4 H 0.088      
5 H 0.088      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.749 -0.505 0.000 2.795
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.578 -1.747 0.000
y -1.747 -43.042 0.000
z 0.000 0.000 -40.650
Traceless
 xyz
x 3.268 -1.747 0.000
y -1.747 -3.428 0.000
z 0.000 0.000 0.160
Polar
3z2-r20.321
x2-y24.464
xy-1.747
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.347 -0.359 0.000
y -0.359 6.023 0.000
z 0.000 0.000 12.892


<r2> (average value of r2) Å2
<r2> 158.299
(<r2>)1/2 12.582