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All results from a given calculation for ClNO2 (Nitryl chloride)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-665.212368
Energy at 298.15K-665.214354
Nuclear repulsion energy154.772289
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 mPW1PW91/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 1411 1342 393.57      
2 A1 819 779 261.42      
3 A1 394 375 62.58      
4 B1 686 653 8.22      
5 B2 1876 1785 377.96      
6 B2 426 405 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 2805.8 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 2669.8 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 mPW1PW91/6-31G**
ABC
0.44616 0.17089 0.12356

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 1.267
N2 0.000 0.000 -0.603
O3 0.000 1.087 -1.082
O4 0.000 -1.087 -1.082

Atom - Atom Distances (Å)
  Cl1 N2 O3 O4
Cl11.86942.58822.5882
N21.86941.18791.1879
O32.58821.18792.1736
O42.58821.18792.1736

picture of Nitryl chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 N2 O3 113.813 Cl1 N2 O4 113.813
O3 N2 O4 132.374
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.069      
2 N 0.427      
3 O -0.248      
4 O -0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.168 0.168
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.136 0.000 0.000
y 0.000 -30.114 0.000
z 0.000 0.000 -27.953
Traceless
 xyz
x 1.897 0.000 0.000
y 0.000 -2.569 0.000
z 0.000 0.000 0.672
Polar
3z2-r21.343
x2-y22.977
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 85.197
(<r2>)1/2 9.230