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All results from a given calculation for N2F2 (Dinitrogen difluoride, (E)-)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-308.741452
Energy at 298.15K-308.743306
Nuclear repulsion energy113.860468
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 PBEPBE/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 1498 1482 0.00      
2 Ag 1033 1023 0.00      
3 Ag 605 599 0.00      
4 Au 356 353 0.70      
5 Bu 1010 999 210.87      
6 Bu 407 403 7.69      

Unscaled Zero Point Vibrational Energy (zpe) 2454.5 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 2429.2 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 PBEPBE/6-31G(2df,p)
ABC
2.47895 0.15540 0.14623

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.601 1.545 0.000
N2 0.601 0.159 0.000
N3 -0.601 -0.159 0.000
F4 -0.601 -1.545 0.000

Atom - Atom Distances (Å)
  F1 N2 N3 F4
F11.38602.08573.3162
N21.38601.24312.0857
N32.08571.24311.3860
F43.31622.08571.3860

picture of Dinitrogen difluoride, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 N2 N3 104.866 N2 N3 F4 104.866
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.094      
2 N 0.094      
3 N 0.094      
4 F -0.094      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.103 0.184 0.000
y 0.184 -20.255 0.000
z 0.000 0.000 -19.224
Traceless
 xyz
x -1.363 0.184 0.000
y 0.184 -0.092 0.000
z 0.000 0.000 1.455
Polar
3z2-r22.910
x2-y2-0.848
xy0.184
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.781 0.978 0.000
y 0.978 4.012 0.000
z 0.000 0.000 1.683


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000