return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for HSSSH (trisulfane)

using model chemistry: LSDA/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 LSDA/6-31G
 hartrees
Energy at 0K-1192.520799
Energy at 298.15K-1192.522847
HF Energy-1192.520799
Nuclear repulsion energy182.004178
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 LSDA/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 2407 2358 0.10      
2 A 762 746 0.03      
3 A 427 418 0.65      
4 A 304 298 49.28      
5 A 160 156 0.03      
6 B 2407 2358 53.98      
7 B 755 740 4.31      
8 B 407 399 50.90      
9 B 322 316 27.93      

Unscaled Zero Point Vibrational Energy (zpe) 3975.3 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 3894.6 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 LSDA/6-31G
ABC
0.41459 0.07704 0.06688

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.893
S2 0.000 1.802 -0.410
S3 0.000 -1.802 -0.410
H4 -1.382 1.905 -0.595
H5 1.382 -1.905 -0.595

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.22382.22382.78482.7848
S22.22383.60411.39823.9611
S32.22383.60413.96111.3982
H42.78481.39823.96114.7078
H52.78483.96111.39824.7078

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.902 S1 S3 H5 97.902
S2 S1 S3 108.262
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.060      
2 S -0.083      
3 S -0.083      
4 H 0.113      
5 H 0.113      


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 -0.718 0.718
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.101 -5.976 0.000
y -5.976 -40.813 0.000
z 0.000 0.000 -42.809
Traceless
 xyz
x 3.710 -5.976 0.000
y -5.976 -0.358 0.000
z 0.000 0.000 -3.352
Polar
3z2-r2-6.704
x2-y22.712
xy-5.976
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.549 -0.930 0.000
y -0.930 13.609 0.000
z 0.000 0.000 5.954


<r2> (average value of r2) Å2
<r2> 159.186
(<r2>)1/2 12.617

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at LSDA/6-31G
 hartrees
Energy at 0K-1192.519661
Energy at 298.15K-1192.521715
HF Energy-1192.519661
Nuclear repulsion energy181.863570
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 LSDA/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' 2395 2346 69.06      
2 A' 759 744 3.63      
3 A' 427 418 0.84      
4 A' 327 321 36.60      
5 A' 160 157 0.28      
6 A" 2394 2345 0.07      
7 A" 756 741 2.01      
8 A" 410 402 59.17      
9 A" 303 297 9.94      

Unscaled Zero Point Vibrational Energy (zpe) 3965.6 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 3885.1 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 LSDA/6-31G
ABC
0.41876 0.07660 0.06666

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.055 0.887 0.000
S2 -0.055 -0.411 1.806
S3 -0.055 -0.411 -1.806
H4 1.331 -0.521 1.970
H5 1.331 -0.521 -1.970

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.22362.22362.78952.7895
S22.22363.61171.40014.0232
S32.22363.61174.02321.4001
H42.78951.40014.02323.9390
H52.78954.02321.40013.9390

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.092 S1 S3 H5 98.092
S2 S1 S3 108.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.060      
2 S -0.072      
3 S -0.072      
4 H 0.102      
5 H 0.102      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.812 -0.555 0.000 2.867
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.511 -1.744 0.000
y -1.744 -43.026 0.000
z 0.000 0.000 -40.326
Traceless
 xyz
x 3.165 -1.744 0.000
y -1.744 -3.608 0.000
z 0.000 0.000 0.443
Polar
3z2-r20.885
x2-y24.516
xy-1.744
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.523 -0.369 0.000
y -0.369 5.883 0.000
z 0.000 0.000 13.742


<r2> (average value of r2) Å2
<r2> 159.692
(<r2>)1/2 12.637