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All results from a given calculation for ClONO2 (Chlorine nitrate)

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-71.030810
Energy at 298.15K-71.033476
HF Energy-71.030810
Nuclear repulsion energy95.908762
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/CEP-121G
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' 1601 1461 573.28      
2 A' 1366 1247 334.05      
3 A' 1005 917 169.92      
4 A' 862 786 48.06      
5 A' 702 641 7.28      
6 A' 486 443 6.06      
7 A' 272 248 1.25      
8 A" 755 689 21.59      
9 A" 102 93 0.86      

Unscaled Zero Point Vibrational Energy (zpe) 3574.8 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 3262.0 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 HF/CEP-121G
ABC
0.40613 0.08703 0.07167

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -1.683 0.266 0.000
O2 0.000 0.794 0.000
N3 0.975 -0.224 0.000
O4 0.612 -1.401 0.000
O5 2.112 0.237 0.000

Atom - Atom Distances (Å)
  Cl1 O2 N3 O4 O5
Cl11.76402.70302.83663.7949
O21.76401.40962.27822.1838
N32.70301.40961.23111.2266
O42.83662.27821.23112.2204
O53.79492.18381.22662.2204

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 116.354 O2 N3 O4 119.094
O2 N3 O5 111.677 O4 N3 O5 129.229
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.376      
2 O -0.375      
3 N 0.311      
4 O -0.159      
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
  -2.723 0.383 0.000 2.750
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.006 -0.268 0.000
y -0.268 -37.988 0.000
z 0.000 0.000 -32.420
Traceless
 xyz
x 1.197 -0.268 0.000
y -0.268 -4.775 0.000
z 0.000 0.000 3.577
Polar
3z2-r27.155
x2-y23.981
xy-0.268
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.095 0.684 0.000
y 0.684 4.211 0.000
z 0.000 0.000 1.614


<r2> (average value of r2) Å2
<r2> 91.959
(<r2>)1/2 9.590