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 NCl (nitrogen monochloride)

using model chemistry: PBEPBEultrafine/cc-pCVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Σ
Energy calculated at PBEPBEultrafine/cc-pCVTZ
 hartrees
Energy at 0K-514.629309
Energy at 298.15K-514.629314
HF Energy-514.629309
Nuclear repulsion energy38.822369
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 PBEPBEultrafine/cc-pCVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 833 833 45.99      

Unscaled Zero Point Vibrational Energy (zpe) 416.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 416.2 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 PBEPBEultrafine/cc-pCVTZ
B
0.64078

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.149
Cl2 0.000 0.000 0.473

Atom - Atom Distances (Å)
  N1 Cl2
N11.6221
Cl21.6221

picture of nitrogen monochloride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.154      
2 Cl 0.154      


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 1.258 1.258
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.662 0.000 0.000
y 0.000 -17.662 0.000
z 0.000 0.000 -18.284
Traceless
 xyz
x 0.311 0.000 0.000
y 0.000 0.311 0.000
z 0.000 0.000 -0.622
Polar
3z2-r2-1.245
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.854 0.000 0.000
y 0.000 1.854 0.000
z 0.000 0.000 4.189


<r2> (average value of r2) Å2
<r2> 24.207
(<r2>)1/2 4.920