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All results from a given calculation for H2NN (Isodiazene)

using model chemistry: PBE1PBE/TZVP

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/TZVP
 hartrees
Energy at 0K-110.519061
Energy at 298.15K 
HF Energy-110.519061
Nuclear repulsion energy32.638198
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/TZVP
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 3066 2942 116.73 400.29 0.14 0.24
2 A1 1765 1694 3.93 33.20 0.23 0.37
3 A1 1657 1590 32.18 20.41 0.49 0.65
4 B1 1044 1002 112.65 4.44 0.75 0.86
5 B2 3034 2912 144.28 511.86 0.75 0.86
6 B2 1354 1299 11.52 18.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5959.5 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 5718.8 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/TZVP
ABC
11.17144 1.31446 1.17608

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/TZVP

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 0.751
H3 0.000 0.865 -1.038
H4 0.000 -0.865 -1.038

Atom - Atom Distances (Å)
  N1 N2 H3 H4
N11.20571.04361.0436
N21.20571.98741.9874
H31.04361.98741.7305
H41.04361.98741.7305

picture of Isodiazene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N2 N1 H3 123.993 N2 N1 H4 123.993
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.098      
2 N -0.281      
3 H 0.189      
4 H 0.189      


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 -3.488 3.488
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.023 0.000 0.000
y 0.000 -11.617 0.000
z 0.000 0.000 -12.576
Traceless
 xyz
x 0.073 0.000 0.000
y 0.000 0.683 0.000
z 0.000 0.000 -0.756
Polar
3z2-r2-1.512
x2-y2-0.406
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.307 0.000 0.000
y 0.000 2.363 0.000
z 0.000 0.000 3.842


<r2> (average value of r2) Å2
<r2> 16.588
(<r2>)1/2 4.073