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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-665.297519
Energy at 298.15K-665.299507
Nuclear repulsion energy154.627316
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 mPW1PW91/6-311G**
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 1403 1342 428.32      
2 A1 831 795 299.95      
3 A1 379 362 76.45      
4 B1 693 663 7.57      
5 B2 1873 1792 432.88      
6 B2 426 407 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 2802.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 2680.6 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 mPW1PW91/6-311G**
ABC
0.45129 0.16847 0.12268

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 1.277
N2 0.000 0.000 -0.617
O3 0.000 1.081 -1.086
O4 0.000 -1.081 -1.086

Atom - Atom Distances (Å)
  Cl1 N2 O3 O4
Cl11.89392.59832.5983
N21.89391.17801.1780
O32.59831.17802.1612
O42.59831.17802.1612

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 113.466 Cl1 N2 O4 113.466
O3 N2 O4 133.068
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.018      
2 N 0.275      
3 O -0.146      
4 O -0.146      


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 -0.057 0.057
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.553 0.000 0.000
y 0.000 -30.651 0.000
z 0.000 0.000 -28.275
Traceless
 xyz
x 1.910 0.000 0.000
y 0.000 -2.737 0.000
z 0.000 0.000 0.827
Polar
3z2-r21.655
x2-y23.098
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.581 0.000 0.000
y 0.000 4.012 0.000
z 0.000 0.000 6.381


<r2> (average value of r2) Å2
<r2> 85.944
(<r2>)1/2 9.271