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

using model chemistry: B3LYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/6-31G
 hartrees
Energy at 0K-110.587356
Energy at 298.15K-110.590061
HF Energy-110.587356
Nuclear repulsion energy31.778720
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 B3LYP/6-31G
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 3177 3057 0.00      
2 Ag 1631 1569 0.00      
3 Ag 1539 1481 0.00      
4 Au 1337 1286 129.15      
5 Bu 3212 3090 69.22      
6 Bu 1340 1289 97.02      

Unscaled Zero Point Vibrational Energy (zpe) 6118.1 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 5885.6 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 B3LYP/6-31G
ABC
10.18818 1.26300 1.12369

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.632 0.000
N2 0.000 -0.632 0.000
H3 0.990 0.957 0.000
H4 -0.990 -0.957 0.000

Atom - Atom Distances (Å)
  N1 N2 H3 H4
N11.26361.04211.8721
N21.26361.87211.0421
H31.04211.87212.7541
H41.87211.04212.7541

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 108.193 N2 N1 H3 108.193
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.297      
2 N -0.297      
3 H 0.297      
4 H 0.297      


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 -10.417 3.940 0.000
y 3.940 -13.220 0.000
z 0.000 0.000 -11.955
Traceless
 xyz
x 2.171 3.940 0.000
y 3.940 -2.034 0.000
z 0.000 0.000 -0.137
Polar
3z2-r2-0.273
x2-y22.803
xy3.940
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.117 0.790 0.000
y 0.790 2.766 0.000
z 0.000 0.000 0.806


<r2> (average value of r2) Å2
<r2> 16.791
(<r2>)1/2 4.098