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 ClONO (chlorine nitrite)

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS cis 1A'
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-663.542306
Energy at 298.15K-663.544145
HF Energy-663.542306
Nuclear repulsion energy157.545898
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 HF/6-311G**
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' 2026 1840 308.58      
2 A' 1026 932 100.59      
3 A' 855 777 229.77      
4 A' 740 672 9.35      
5 A' 308 280 0.23      
6 A" 361 328 3.82      

Unscaled Zero Point Vibrational Energy (zpe) 2658.3 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 2415.1 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 HF/6-311G**
ABC
0.67720 0.15467 0.12591

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -1.215 -0.284 0.000
O2 0.000 0.877 0.000
N3 1.289 0.453 0.000
O4 1.455 -0.670 0.000

Atom - Atom Distances (Å)
  Cl1 O2 N3 O4
Cl11.68022.61002.6979
O21.68021.35662.1232
N32.61001.35661.1347
O42.69792.12321.1347

picture of chlorine nitrite state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 O2 N3 118.121 O2 N3 O4 116.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.197      
2 O -0.382      
3 N 0.403      
4 O -0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.306 -0.381 0.000 0.488
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.967 1.877 0.000
y 1.877 -29.959 0.000
z 0.000 0.000 -27.737
Traceless
 xyz
x 0.881 1.877 0.000
y 1.877 -2.107 0.000
z 0.000 0.000 1.226
Polar
3z2-r22.452
x2-y21.992
xy1.877
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.204 0.414 0.000
y 0.414 3.240 0.000
z 0.000 0.000 1.622


<r2> (average value of r2) Å2
<r2> 84.038
(<r2>)1/2 9.167