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

using model chemistry: B97D3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B97D3/TZVP
 hartrees
Energy at 0K-110.618573
Energy at 298.15K-110.621278
HF Energy-110.618573
Nuclear repulsion energy32.191938
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 B97D3/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 Ag 3110 3065 0.00      
2 Ag 1606 1583 0.00      
3 Ag 1552 1529 0.00      
4 Au 1329 1309 88.86      
5 Bu 3138 3093 73.65      
6 Bu 1334 1314 60.25      

Unscaled Zero Point Vibrational Energy (zpe) 6034.0 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 5947.1 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 B97D3/TZVP
ABC
9.91913 1.31312 1.15960

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.622 0.000
N2 0.000 -0.622 0.000
H3 0.999 0.915 0.000
H4 -0.999 -0.915 0.000

Atom - Atom Distances (Å)
  N1 N2 H3 H4
N11.24411.04151.8334
N21.24411.83341.0415
H31.04151.83342.7101
H41.83341.04152.7101

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 106.338 N2 N1 H3 106.338
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.192      
2 N -0.192      
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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.526 3.484 0.000
y 3.484 -13.306 0.000
z 0.000 0.000 -12.054
Traceless
 xyz
x 2.154 3.484 0.000
y 3.484 -2.016 0.000
z 0.000 0.000 -0.138
Polar
3z2-r2-0.276
x2-y22.780
xy3.484
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.525 0.657 0.000
y 0.657 3.118 0.000
z 0.000 0.000 1.350


<r2> (average value of r2) Å2
<r2> 16.561
(<r2>)1/2 4.069