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

using model chemistry: PBE1PBE/cc-pVTZ

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 PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-92.630330
Energy at 298.15K-92.629076
HF Energy-92.630330
Nuclear repulsion energy19.146443
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 PBE1PBE/cc-pVTZ
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 2182 2097 22.87      

Unscaled Zero Point Vibrational Energy (zpe) 1091.1 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 1048.6 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 PBE1PBE/cc-pVTZ
B
1.93594

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.625
N2 0.000 0.000 0.536

Atom - Atom Distances (Å)
  C1 N2
C11.1608
N21.1608

picture of Cyano radical state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.023      
2 N -0.023      


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 -1.448 1.448
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.896 0.000 0.000
y 0.000 -10.896 0.000
z 0.000 0.000 -10.304
Traceless
 xyz
x -0.296 0.000 0.000
y 0.000 -0.296 0.000
z 0.000 0.000 0.592
Polar
3z2-r21.185
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 2.215 0.000 0.000
y 0.000 2.215 0.000
z 0.000 0.000 3.670


<r2> (average value of r2) Å2
<r2> 11.036
(<r2>)1/2 3.322