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: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-740.401798
Energy at 298.15K-740.404420
HF Energy-740.401798
Nuclear repulsion energy230.067456
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 B1B95/6-31G(2df,p)
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' 1885 1805 337.14      
2 A' 1396 1337 252.35      
3 A' 855 819 76.58      
4 A' 824 789 122.33      
5 A' 623 597 53.96      
6 A' 477 457 7.56      
7 A' 268 256 0.01      
8 A" 768 736 12.63      
9 A" 136 130 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 3616.0 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 3463.0 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 B1B95/6-31G(2df,p)
ABC
0.41450 0.09436 0.07686

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -1.592 0.322 0.000
O2 0.000 0.822 0.000
N3 0.948 -0.294 0.000
O4 0.504 -1.389 0.000
O5 2.050 0.140 0.000

Atom - Atom Distances (Å)
  Cl1 O2 N3 O4 O5
Cl11.66912.61382.70603.6472
O21.66911.46372.26732.1605
N32.61381.46371.18171.1846
O42.70602.26731.18172.1743
O53.64722.16051.18462.1743

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 112.930 O2 N3 O4 117.589
O2 N3 O5 108.880 O4 N3 O5 133.531
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.123      
2 O -0.309      
3 N 0.864      
4 O -0.337      
5 O -0.340      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.006 0.028 0.000 1.006
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.448 -0.205 0.000
y -0.205 -34.825 0.000
z 0.000 0.000 -31.973
Traceless
 xyz
x 0.951 -0.205 0.000
y -0.205 -2.615 0.000
z 0.000 0.000 1.664
Polar
3z2-r23.327
x2-y22.377
xy-0.205
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.539 -0.163 0.000
y -0.163 4.487 0.000
z 0.000 0.000 2.831


<r2> (average value of r2) Å2
<r2> 129.076
(<r2>)1/2 11.361