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 CNF (iso cyanogen fluoride)

using model chemistry: TPSSh/cc-pVTZ

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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-192.600505
Energy at 298.15K-192.599796
HF Energy-192.600505
Nuclear repulsion energy55.790905
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 TPSSh/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 2184 2115 6.11      
2 Σ 949 919 98.62      
3 Π 237 230 0.82      
3 Π 237 230 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 1803.8 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 1746.6 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 TPSSh/cc-pVTZ
B
0.36095

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.393
N2 0.000 0.000 -0.214
F3 0.000 0.000 1.095

Atom - Atom Distances (Å)
  C1 N2 F3
C11.17882.4886
N21.17881.3098
F32.48861.3098

picture of iso cyanogen fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 F3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.176      
2 N 0.206      
3 F -0.030      


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 1.740 1.740
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.917 0.000 0.000
y 0.000 1.917 0.000
z 0.000 0.000 4.211


<r2> (average value of r2) Å2
<r2> 33.072
(<r2>)1/2 5.751