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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-1189.866678
Energy at 298.15K-1189.868647
HF Energy-1189.866678
Nuclear repulsion energy178.947966
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 2450 2364 0.05      
2 A 797 769 0.06      
3 A 408 394 0.99      
4 A 275 265 41.91      
5 A 151 146 0.03      
6 B 2451 2365 38.43      
7 B 794 766 2.47      
8 B 394 380 24.19      
9 B 295 285 26.96      

Unscaled Zero Point Vibrational Energy (zpe) 4007.6 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 3867.0 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
0.36810 0.07668 0.06525

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 0.954
S2 0.000 1.809 -0.438
S3 0.000 -1.809 -0.438
H4 -1.365 1.855 -0.619
H5 1.365 -1.855 -0.619

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.28262.28262.78952.7895
S22.28263.61711.37813.9143
S32.28263.61713.91431.3781
H42.78951.37813.91434.6075
H52.78953.91431.37814.6075

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 96.132 S1 S3 H5 96.132
S2 S1 S3 104.803
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 -0.041      
2 S -0.090      
3 S -0.090      
4 H 0.110      
5 H 0.110      


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 -0.624 0.624
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.742 -5.337 0.000
y -5.337 -41.406 0.000
z 0.000 0.000 -42.732
Traceless
 xyz
x 3.327 -5.337 0.000
y -5.337 -0.669 0.000
z 0.000 0.000 -2.658
Polar
3z2-r2-5.316
x2-y22.664
xy-5.337
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.152 -0.831 0.000
y -0.831 12.861 0.000
z 0.000 0.000 5.929


<r2> (average value of r2) Å2
<r2> 162.350
(<r2>)1/2 12.742

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-1189.865594
Energy at 298.15K-1189.867521
HF Energy-1189.865594
Nuclear repulsion energy178.754946
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' 2438 2352 50.84      
2 A' 796 768 3.63      
3 A' 407 393 0.76      
4 A' 285 275 31.35      
5 A' 152 147 0.14      
6 A" 2437 2351 0.11      
7 A" 792 765 0.53      
8 A" 395 381 28.41      
9 A" 252 243 12.17      

Unscaled Zero Point Vibrational Energy (zpe) 3976.6 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 3837.0 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
0.37224 0.07611 0.06497

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 -0.055 0.946 0.000
S2 -0.055 -0.440 1.814
S3 -0.055 -0.440 -1.814
H4 1.317 -0.532 1.932
H5 1.317 -0.532 -1.932

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.28282.28282.79262.7926
S22.28283.62721.37973.9894
S32.28283.62723.98941.3797
H42.79261.37973.98943.8630
H52.79263.98941.37973.8630

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 96.233 S1 S3 H5 96.233
S2 S1 S3 105.210
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 -0.041      
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 -0.451 0.000 2.628
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.100 -1.666 0.000
y -1.666 -42.990 0.000
z 0.000 0.000 -40.867
Traceless
 xyz
x 2.828 -1.666 0.000
y -1.666 -3.007 0.000
z 0.000 0.000 0.178
Polar
3z2-r20.356
x2-y23.890
xy-1.666
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.141 -0.375 0.000
y -0.375 5.834 0.000
z 0.000 0.000 13.001


<r2> (average value of r2) Å2
<r2> 163.016
(<r2>)1/2 12.768