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 ClONO2 (Chlorine nitrate)

using model chemistry: BLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-740.283296
Energy at 298.15K-740.285341
HF Energy-740.283296
Nuclear repulsion energy211.662967
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 BLYP/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' 1569 1557 156.22      
2 A' 1173 1164 228.33      
3 A' 722 717 123.82      
4 A' 675 670 1.62      
5 A' 479 475 15.38      
6 A' 354 351 6.90      
7 A' 183 181 0.26      
8 A" 588 584 5.70      
9 A" 121 120 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 2931.4 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 2909.1 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 BLYP/6-31G
ABC
0.35685 0.07842 0.06429

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -1.758 0.343 0.000
O2 0.000 0.909 0.000
N3 1.060 -0.341 0.000
O4 0.603 -1.492 0.000
O5 2.204 0.153 0.000

Atom - Atom Distances (Å)
  Cl1 O2 N3 O4 O5
Cl11.84662.89992.99053.9658
O21.84661.63932.47632.3298
N32.89991.63931.23891.2453
O42.99052.47631.23892.2952
O53.96582.32981.24532.2952

picture of Chlorine nitrate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 O2 N3 112.451 O2 N3 O4 118.044
O2 N3 O5 106.946 O4 N3 O5 135.010
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.189      
2 O -0.273      
3 N 0.402      
4 O -0.164      
5 O -0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.478 -0.439 0.000 0.649
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.867 -0.672 0.000
y -0.672 -35.991 0.000
z 0.000 0.000 -32.929
Traceless
 xyz
x 1.593 -0.672 0.000
y -0.672 -3.092 0.000
z 0.000 0.000 1.500
Polar
3z2-r22.999
x2-y23.123
xy-0.672
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.111 -0.346 0.000
y -0.346 4.404 0.000
z 0.000 0.000 1.387


<r2> (average value of r2) Å2
<r2> 150.775
(<r2>)1/2 12.279