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 ClNO2 (Nitryl chloride)

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-665.210363
Energy at 298.15K-665.212171
Nuclear repulsion energy147.417683
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 B3LYP/SDD
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 1233 1186 325.42      
2 A1 743 714 189.34      
3 A1 370 356 32.95      
4 B1 592 569 4.17      
5 B2 1579 1518 297.49      
6 B2 367 353 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 2442.1 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 2347.6 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 B3LYP/SDD
ABC
0.41086 0.15322 0.11160

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 1.338
N2 0.000 0.000 -0.638
O3 0.000 1.133 -1.142
O4 0.000 -1.133 -1.142

Atom - Atom Distances (Å)
  Cl1 N2 O3 O4
Cl11.97592.72662.7266
N21.97591.23981.2398
O32.72661.23982.2650
O42.72661.23982.2650

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 114.007 Cl1 N2 O4 114.007
O3 N2 O4 131.986
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.053      
2 N 0.099      
3 O -0.076      
4 O -0.076      


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 0.234 0.234
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.499 0.000 0.000
y 0.000 -31.534 0.000
z 0.000 0.000 -28.787
Traceless
 xyz
x 2.661 0.000 0.000
y 0.000 -3.390 0.000
z 0.000 0.000 0.729
Polar
3z2-r21.458
x2-y24.034
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.164 0.000 0.000
y 0.000 4.188 0.000
z 0.000 0.000 6.893


<r2> (average value of r2) Å2
<r2> 92.964
(<r2>)1/2 9.642