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All results from a given calculation for H2NN (Isodiazene)

using model chemistry: PBE1PBE/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/daug-cc-pVTZ
 hartrees
Energy at 0K-110.523685
Energy at 298.15K 
HF Energy-110.523685
Nuclear repulsion energy32.677075
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 PBE1PBE/daug-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 A1 3079 3079 126.34 376.14 0.10 0.18
2 A1 1740 1740 3.13 20.14 0.27 0.42
3 A1 1653 1653 32.07 10.66 0.60 0.75
4 B1 1019 1019 104.13 3.18 0.75 0.86
5 B2 3052 3052 97.02 623.34 0.75 0.86
6 B2 1336 1336 5.86 4.73 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5939.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5939.1 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 PBE1PBE/daug-cc-pVTZ
ABC
11.16663 1.31805 1.17890

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.455
N2 0.000 0.000 0.750
H3 0.000 0.865 -1.034
H4 0.000 -0.865 -1.034

Atom - Atom Distances (Å)
  N1 N2 H3 H4
N11.20501.04111.0411
N21.20501.98261.9826
H31.04111.98261.7309
H41.04111.98261.7309

picture of Isodiazene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N2 N1 H3 123.776 N2 N1 H4 123.776
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.241      
2 N -0.829      
3 H 0.294      
4 H 0.294      


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 -3.500 3.500
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.178 0.000 0.000
y 0.000 -11.789 0.000
z 0.000 0.000 -12.716
Traceless
 xyz
x 0.075 0.000 0.000
y 0.000 0.658 0.000
z 0.000 0.000 -0.733
Polar
3z2-r2-1.466
x2-y2-0.389
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.086 0.000 0.000
y 0.000 3.197 0.000
z 0.000 0.000 4.261


<r2> (average value of r2) Å2
<r2> 16.659
(<r2>)1/2 4.082