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: M06-2X/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/3-21G
 hartrees
Energy at 0K-736.463430
Energy at 298.15K-736.465910
HF Energy-736.463430
Nuclear repulsion energy220.279595
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 M06-2X/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' 1535 1472 164.26      
2 A' 1177 1128 278.28      
3 A' 857 822 112.65      
4 A' 803 770 50.85      
5 A' 634 608 2.22      
6 A' 442 424 0.07      
7 A' 265 254 0.09      
8 A" 672 644 17.28      
9 A" 108 104 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 3246.8 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 3112.7 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 M06-2X/3-21G
ABC
0.37985 0.08730 0.07099

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -1.666 0.273 0.000
O2 0.000 0.887 0.000
N3 0.991 -0.270 0.000
O4 0.530 -1.416 0.000
O5 2.143 0.185 0.000

Atom - Atom Distances (Å)
  Cl1 O2 N3 O4 O5
Cl11.77522.71152.77003.8092
O21.77521.52362.36322.2548
N32.71151.52361.23491.2382
O42.77002.36321.23492.2719
O53.80922.25481.23822.2719

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 110.334 O2 N3 O4 117.512
O2 N3 O5 109.018 O4 N3 O5 133.470
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.215      
2 O -0.292      
3 N 0.566      
4 O -0.253      
5 O -0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.946 -0.123 0.000 0.954
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.704 -0.383 0.000
y -0.383 -36.241 0.000
z 0.000 0.000 -32.637
Traceless
 xyz
x 0.735 -0.383 0.000
y -0.383 -3.070 0.000
z 0.000 0.000 2.335
Polar
3z2-r24.670
x2-y22.537
xy-0.383
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.251 0.257 0.000
y 0.257 3.497 0.000
z 0.000 0.000 1.038


<r2> (average value of r2) Å2
<r2> 138.747
(<r2>)1/2 11.779