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All results from a given calculation for CN (Cyano radical)

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Σ
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-15.061458
Energy at 298.15K-15.060203
HF Energy-15.061458
Nuclear repulsion energy9.080114
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 HF/CEP-121G*
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 1921 1735 15.55      

Unscaled Zero Point Vibrational Energy (zpe) 960.5 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 867.7 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 HF/CEP-121G*
B
1.92016

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.628
N2 0.000 0.000 0.538

Atom - Atom Distances (Å)
  C1 N2
C11.1656
N21.1656

picture of Cyano radical state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.097      
2 N -0.097      


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 -2.207 2.207
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.844 0.000 0.000
y 0.000 -10.844 0.000
z 0.000 0.000 -10.336
Traceless
 xyz
x -0.254 0.000 0.000
y 0.000 -0.254 0.000
z 0.000 0.000 0.508
Polar
3z2-r21.016
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 1.337 0.000 0.000
y 0.000 1.337 0.000
z 0.000 0.000 2.551


<r2> (average value of r2) Å2
<r2> 9.690
(<r2>)1/2 3.113