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 ClNO (Nitrosyl chloride)

using model chemistry: B2PLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-589.862913
Energy at 298.15K 
HF Energy-589.659180
Nuclear repulsion energy84.514755
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 B2PLYP/6-31G(2df,p)
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' 1874 1789 494.62 7.89 0.24 0.39
2 A' 606 579 103.61 3.03 0.29 0.45
3 A' 338 323 73.51 15.50 0.31 0.47

Unscaled Zero Point Vibrational Energy (zpe) 1409.0 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 1345.6 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 B2PLYP/6-31G(2df,p)
ABC
2.90669 0.18719 0.17587

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.530 -0.944 0.000
N2 0.000 0.981 0.000
O3 1.127 1.148 0.000

Atom - Atom Distances (Å)
  Cl1 N2 O3
Cl11.99722.6687
N21.99721.1390
O32.66871.1390

picture of Nitrosyl chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 N2 O3 113.798
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.195      
2 N 0.174      
3 O 0.021      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.085 1.966 0.000 2.245
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.431 0.452 0.002
y 0.452 -22.332 0.002
z 0.002 0.002 -22.427
Traceless
 xyz
x -1.052 0.452 0.002
y 0.452 0.598 0.002
z 0.002 0.002 0.454
Polar
3z2-r20.908
x2-y2-1.100
xy0.452
xz0.002
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.698 1.859 -0.000
y 1.859 5.973 -0.000
z -0.000 -0.000 2.271


<r2> (average value of r2) Å2
<r2> 61.570
(<r2>)1/2 7.847