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All results from a given calculation for N2H2 ((E)-diazene)

using model chemistry: PBE1PBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at PBE1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-110.519324
Energy at 298.15K-110.522036
HF Energy-110.519324
Nuclear repulsion energy32.397265
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/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3259 3119 0.00      
2 Ag 1701 1628 0.00      
3 Ag 1614 1544 0.00      
4 Au 1359 1301 92.50      
5 Bu 3287 3145 36.69      
6 Bu 1361 1303 92.17      

Unscaled Zero Point Vibrational Energy (zpe) 6290.2 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 6019.7 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/6-31G(2df,p)
ABC
10.02732 1.33058 1.17470

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.618 0.000
N2 0.000 -0.618 0.000
H3 0.994 0.908 0.000
H4 -0.994 -0.908 0.000

Atom - Atom Distances (Å)
  N1 N2 H3 H4
N11.23601.03551.8214
N21.23601.82141.0355
H31.03551.82142.6930
H41.82141.03552.6930

picture of (E)-diazene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 H4 106.284 N2 N1 H3 106.284
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.270      
2 N -0.270      
3 H 0.270      
4 H 0.270      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.177 3.252 0.000
y 3.252 -12.648 0.000
z 0.000 0.000 -11.889
Traceless
 xyz
x 2.092 3.252 0.000
y 3.252 -1.615 0.000
z 0.000 0.000 -0.477
Polar
3z2-r2-0.953
x2-y22.471
xy3.252
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.301 0.652 0.000
y 0.652 2.765 0.000
z 0.000 0.000 1.269


<r2> (average value of r2) Å2
<r2> 16.200
(<r2>)1/2 4.025