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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G**
 hartrees
Energy at 0K-110.517258
Energy at 298.15K-110.519960
HF Energy-110.517258
Nuclear repulsion energy31.902914
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 PBEPBEultrafine/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 3092 3050 0.00      
2 Ag 1603 1581 0.00      
3 Ag 1553 1532 0.00      
4 Au 1310 1292 93.29      
5 Bu 3110 3067 89.41      
6 Bu 1319 1301 69.09      

Unscaled Zero Point Vibrational Energy (zpe) 5993.4 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 5911.3 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 PBEPBEultrafine/6-31G**
ABC
9.59811 1.29360 1.13996

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.628 0.000
N2 0.000 -0.628 0.000
H3 1.013 0.906 0.000
H4 -1.013 -0.906 0.000

Atom - Atom Distances (Å)
  N1 N2 H3 H4
N11.25701.05061.8392
N21.25701.83921.0506
H31.05061.83922.7189
H41.83921.05062.7189

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 105.344 N2 N1 H3 105.344
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.258      
2 N -0.258      
3 H 0.258      
4 H 0.258      


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 -10.308 3.213 0.000
y 3.213 -12.958 0.000
z 0.000 0.000 -11.907
Traceless
 xyz
x 2.124 3.213 0.000
y 3.213 -1.851 0.000
z 0.000 0.000 -0.274
Polar
3z2-r2-0.547
x2-y22.650
xy3.213
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.370 0.758 0.000
y 0.758 2.741 0.000
z 0.000 0.000 1.010


<r2> (average value of r2) Å2
<r2> 16.549
(<r2>)1/2 4.068