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All results from a given calculation for N2F2 ((Z)-Difluorodiazene)

using model chemistry: HF/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/3-21G
 hartrees
Energy at 0K-305.880606
Energy at 298.15K-305.882733
Nuclear repulsion energy117.572204
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/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 A1 1716 1554 1.04      
2 A1 1046 948 29.91      
3 A1 380 344 3.27      
4 A2 571 517 0.00      
5 B2 1088 985 65.90      
6 B2 832 753 16.83      

Unscaled Zero Point Vibrational Energy (zpe) 2816.4 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 2550.5 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/3-21G
ABC
0.61942 0.27484 0.19037

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 1.160 -0.568
N2 0.000 0.603 0.731
N3 0.000 -0.603 0.731
F4 0.000 -1.160 -0.568

Atom - Atom Distances (Å)
  F1 N2 N3 F4
F11.41352.19042.3203
N21.41351.20662.1904
N32.19041.20661.4135
F42.32032.19041.4135

picture of (Z)-Difluorodiazene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 N2 N3 113.199 N2 N3 F4 113.199
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.220 -0.043   -0.039
2 N 0.220 0.043   0.039
3 N 0.220 0.043   0.039
4 F -0.220 -0.043   -0.039


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 0.380 0.380
CHELPG 0.000 0.000 0.540 0.540
AIM        
ESP 0.000 0.000 0.481 0.481


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.097 0.000 0.000
y 0.000 -22.383 0.000
z 0.000 0.000 -21.846
Traceless
 xyz
x 3.018 0.000 0.000
y 0.000 -1.912 0.000
z 0.000 0.000 -1.106
Polar
3z2-r2-2.211
x2-y23.286
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.766 0.000 0.000
y 0.000 3.153 0.000
z 0.000 0.000 2.112


<r2> (average value of r2) Å2
<r2> 55.801
(<r2>)1/2 7.470