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: B3PW91/3-21G*

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 B3PW91/3-21G*
 hartrees
Energy at 0K-1190.053752
Energy at 298.15K-1190.056152
HF Energy-1190.053752
Nuclear repulsion energy195.114704
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 B3PW91/3-21G*
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 2659 2551 1.20      
2 A 913 876 0.73      
3 A 482 462 0.78      
4 A 344 330 33.00      
5 A 208 200 0.08      
6 B 2658 2551 14.68      
7 B 900 863 13.25      
8 B 455 437 29.83      
9 B 369 354 24.65      

Unscaled Zero Point Vibrational Energy (zpe) 4494.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 4311.9 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 B3PW91/3-21G*
ABC
0.47412 0.08908 0.07737

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.833
S2 0.000 1.674 -0.380
S3 0.000 -1.674 -0.380
H4 -1.332 1.784 -0.584
H5 1.332 -1.784 -0.584

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.06762.06762.63942.6394
S22.06763.34851.35203.7119
S32.06763.34853.71191.3520
H42.63941.35203.71194.4536
H52.63943.71191.35204.4536

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.880 S1 S3 H5 98.880
S2 S1 S3 108.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.051      
2 S -0.140      
3 S -0.140      
4 H 0.166      
5 H 0.166      


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 -0.713 0.713
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.531 -4.588 0.000
y -4.588 -39.945 0.000
z 0.000 0.000 -41.986
Traceless
 xyz
x 3.435 -4.588 0.000
y -4.588 -0.187 0.000
z 0.000 0.000 -3.248
Polar
3z2-r2-6.496
x2-y22.414
xy-4.588
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.212 -0.733 0.000
y -0.733 10.668 0.000
z 0.000 0.000 5.405


<r2> (average value of r2) Å2
<r2> 140.901
(<r2>)1/2 11.870

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-1190.053265
Energy at 298.15K-1190.055621
HF Energy-1190.053265
Nuclear repulsion energy195.151971
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 B3PW91/3-21G*
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' 2647 2539 19.83      
2 A' 914 877 5.99      
3 A' 483 463 0.85      
4 A' 346 332 23.96      
5 A' 209 200 0.22      
6 A" 2647 2540 2.50      
7 A" 901 864 10.22      
8 A" 457 439 36.44      
9 A" 325 312 10.03      

Unscaled Zero Point Vibrational Energy (zpe) 4463.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 4282.4 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 B3PW91/3-21G*
ABC
0.47578 0.08902 0.07737

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.053 0.830 0.000
S2 -0.053 -0.383 1.674
S3 -0.053 -0.383 -1.674
H4 1.283 -0.515 1.835
H5 1.283 -0.515 -1.835

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.06672.06672.63882.6388
S22.06673.34741.35273.7573
S32.06673.34743.75731.3527
H42.63881.35273.75733.6709
H52.63883.75731.35273.6709

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.868 S1 S3 H5 98.868
S2 S1 S3 108.156
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.050      
2 S -0.132      
3 S -0.132      
4 H 0.157      
5 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.196 -0.587 0.000 2.273
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.803 -1.575 0.000
y -1.575 -42.164 0.000
z 0.000 0.000 -39.627
Traceless
 xyz
x 3.092 -1.575 0.000
y -1.575 -3.449 0.000
z 0.000 0.000 0.357
Polar
3z2-r20.714
x2-y24.361
xy-1.575
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.188 -0.362 0.000
y -0.362 5.355 0.000
z 0.000 0.000 10.707


<r2> (average value of r2) Å2
<r2> 140.939
(<r2>)1/2 11.872