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All results from a given calculation for H2NN (Isodiazene)

using model chemistry: B2PLYP/aug-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 B2PLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-110.569286
Energy at 298.15K 
HF Energy-110.436085
Nuclear repulsion energy32.534032
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/aug-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 3083 2962 116.62 402.00 0.09 0.17
2 A1 1735 1667 1.24 22.71 0.24 0.39
3 A1 1602 1540 34.06 10.06 0.56 0.72
4 B1 1013 973 105.31 2.91 0.75 0.86
5 B2 3076 2956 80.55 583.37 0.75 0.86
6 B2 1331 1279 6.23 4.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5919.3 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 5688.4 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/aug-cc-pVTZ
ABC
11.18660 1.30282 1.16692

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.459
N2 0.000 0.000 0.755
H3 0.000 0.865 -1.034
H4 0.000 -0.865 -1.034

Atom - Atom Distances (Å)
  N1 N2 H3 H4
N11.21361.03871.0387
N21.21361.98701.9870
H31.03871.98701.7293
H41.03871.98701.7293

picture of Isodiazene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N2 N1 H3 123.646 N2 N1 H4 123.646
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.046      
2 N -0.429      
3 H 0.192      
4 H 0.192      


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 -3.579 3.579
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.298 0.000 0.000
y 0.000 -11.922 0.000
z 0.000 0.000 -12.831
Traceless
 xyz
x 0.079 0.000 0.000
y 0.000 0.642 0.000
z 0.000 0.000 -0.721
Polar
3z2-r2-1.442
x2-y2-0.376
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.043 0.000 0.000
y 0.000 3.097 0.000
z 0.000 0.000 4.262


<r2> (average value of r2) Å2
<r2> 16.809
(<r2>)1/2 4.100