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All results from a given calculation for H2NN (Isodiazene)

using model chemistry: B2PLYP/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 B2PLYP/3-21G*
 hartrees
Energy at 0K-109.831501
Energy at 298.15K 
HF Energy-109.759626
Nuclear repulsion energy31.697773
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 B2PLYP/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 3023 3023 63.91 310.96 0.15 0.26
2 A1 1807 1807 0.93 31.38 0.32 0.48
3 A1 1362 1362 16.33 13.85 0.37 0.54
4 B1 1037 1037 162.73 3.18 0.75 0.86
5 B2 3006 3006 158.16 293.04 0.75 0.86
6 B2 1336 1336 8.00 16.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5785.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5785.5 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 B2PLYP/3-21G*
ABC
11.22870 1.22056 1.10090

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.476
N2 0.000 0.000 0.780
H3 0.000 0.863 -1.063
H4 0.000 -0.863 -1.063

Atom - Atom Distances (Å)
  N1 N2 H3 H4
N11.25541.04401.0440
N21.25542.03502.0350
H31.04402.03501.7261
H41.04402.03501.7261

picture of Isodiazene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N2 N1 H3 124.245 N2 N1 H4 124.245
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.405      
2 N -0.175      
3 H 0.290      
4 H 0.290      


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 -3.333 3.333
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.687 0.000 0.000
y 0.000 -11.206 0.000
z 0.000 0.000 -11.965
Traceless
 xyz
x -0.102 0.000 0.000
y 0.000 0.620 0.000
z 0.000 0.000 -0.518
Polar
3z2-r2-1.036
x2-y2-0.482
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.688 0.000 0.000
y 0.000 1.656 0.000
z 0.000 0.000 2.971


<r2> (average value of r2) Å2
<r2> 16.845
(<r2>)1/2 4.104