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All results from a given calculation for FCN (Cyanogen fluoride)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-191.522747
Energy at 298.15K-191.522523
Nuclear repulsion energy54.689894
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 mPW1PW91/3-21G
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 2409 2299 46.23      
2 Σ 1080 1031 32.43      
3 Π 447 426 4.27      
3 Π 447 426 4.27      

Unscaled Zero Point Vibrational Energy (zpe) 2190.6 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 2091.2 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 mPW1PW91/3-21G
B
0.34156

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.160
F2 0.000 0.000 1.136
N3 0.000 0.000 -1.324

Atom - Atom Distances (Å)
  C1 F2 N3
C11.29651.1637
F21.29652.4602
N31.16372.4602

picture of Cyanogen fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 N3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.601      
2 F -0.233      
3 N -0.368      


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 1.866 1.866
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.733 0.000 0.000
y 0.000 -14.733 0.000
z 0.000 0.000 -19.386
Traceless
 xyz
x 2.327 0.000 0.000
y 0.000 2.327 0.000
z 0.000 0.000 -4.653
Polar
3z2-r2-9.306
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 0.973 0.000 0.000
y 0.000 0.973 0.000
z 0.000 0.000 3.026


<r2> (average value of r2) Å2
<r2> 34.215
(<r2>)1/2 5.849