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

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-71.020777
Energy at 298.15K-71.023390
HF Energy-71.020777
Nuclear repulsion energy95.646598
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-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' 1577 1421 552.57      
2 A' 1358 1224 321.33      
3 A' 1005 906 168.64      
4 A' 857 772 47.03      
5 A' 700 631 8.04      
6 A' 482 434 6.07      
7 A' 269 243 1.29      
8 A" 742 669 18.84      
9 A" 95 85 1.16      

Unscaled Zero Point Vibrational Energy (zpe) 3542.1 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 3192.8 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-31G
ABC
0.40366 0.08658 0.07129

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -1.687 0.271 0.000
O2 0.000 0.794 0.000
N3 0.977 -0.227 0.000
O4 0.612 -1.407 0.000
O5 2.117 0.234 0.000

Atom - Atom Distances (Å)
  Cl1 O2 N3 O4 O5
Cl11.76602.71032.84633.8042
O21.76601.41362.28512.1900
N32.71031.41361.23571.2297
O42.84632.28511.23572.2273
O53.80422.19001.22972.2273

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 116.510 O2 N3 O4 119.060
O2 N3 O5 111.711 O4 N3 O5 129.229
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.352      
2 O -0.315      
3 N 0.153      
4 O -0.095      
5 O -0.094      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.738 0.361 0.000 2.762
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.148 -0.303 0.000
y -0.303 -38.215 0.000
z 0.000 0.000 -32.481
Traceless
 xyz
x 1.200 -0.303 0.000
y -0.303 -4.901 0.000
z 0.000 0.000 3.701
Polar
3z2-r27.402
x2-y24.067
xy-0.303
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.076 0.756 0.000
y 0.756 3.952 0.000
z 0.000 0.000 1.078


<r2> (average value of r2) Å2
<r2> 92.433
(<r2>)1/2 9.614