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: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-589.979625
Energy at 298.15K 
HF Energy-589.979625
Nuclear repulsion energy84.941075
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 B3PW91/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 1955 1873 584.12      
2 A' 625 599 109.65      
3 A' 341 327 79.31      

Unscaled Zero Point Vibrational Energy (zpe) 1460.4 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 1399.7 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 B3PW91/6-31G**
ABC
2.91562 0.18986 0.17825

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.531 -0.934 0.000
N2 0.000 0.971 0.000
O3 1.129 1.135 0.000

Atom - Atom Distances (Å)
  Cl1 N2 O3
Cl11.97802.6531
N21.97801.1407
O32.65311.1407

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 113.856
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.118      
2 N 0.152      
3 O -0.034      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.938 1.731 0.000 1.969
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.564 0.312 0.000
y 0.312 -22.482 0.000
z 0.000 0.000 -22.316
Traceless
 xyz
x -1.165 0.312 0.000
y 0.312 0.458 0.000
z 0.000 0.000 0.707
Polar
3z2-r21.414
x2-y2-1.082
xy0.312
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.206 1.911 0.000
y 1.911 5.537 0.000
z 0.000 0.000 1.618


<r2> (average value of r2) Å2
<r2> 60.973
(<r2>)1/2 7.809