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 ClSSCl (Disulfur dichloride)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-1716.550517
Energy at 298.15K-1716.550865
Nuclear repulsion energy327.973835
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 B3PW91/6-31G**
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 546 524 9.41      
2 A 446 427 40.44      
3 A 205 196 0.38      
4 A 99 95 0.35      
5 B 433 415 127.82      
6 B 238 228 8.41      

Unscaled Zero Point Vibrational Energy (zpe) 983.3 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 942.4 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 B3PW91/6-31G**
ABC
0.18635 0.04319 0.03856

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.618 0.766 0.739
S2 -0.618 -0.766 0.739
Cl3 0.000 2.167 -0.695
Cl4 0.000 -2.167 -0.695

Atom - Atom Distances (Å)
  S1 S2 Cl3 Cl4
S11.96932.09743.3226
S21.96933.32262.0974
Cl32.09743.32264.3331
Cl43.32262.09744.3331

picture of Disulfur dichloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 Cl4 109.537 S2 S1 Cl3 109.537
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.143      
2 S 0.143      
3 Cl -0.143      
4 Cl -0.143      


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 1.198 1.198
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.420 0.658 0.000
y 0.658 -53.230 0.000
z 0.000 0.000 -50.247
Traceless
 xyz
x 1.319 0.658 0.000
y 0.658 -2.896 0.000
z 0.000 0.000 1.578
Polar
3z2-r23.156
x2-y22.810
xy0.658
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.410 1.085 0.000
y 1.085 13.825 0.000
z 0.000 0.000 7.056


<r2> (average value of r2) Å2
<r2> 256.554
(<r2>)1/2 16.017