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

using model chemistry: PBEPBEultrafine/6-311G*

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/6-311G*
 hartrees
Energy at 0K-110.539833
Energy at 298.15K-110.542539
HF Energy-110.539833
Nuclear repulsion energy32.023736
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/6-311G*
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 3096 3064 0.00      
2 Ag 1618 1601 0.00      
3 Ag 1566 1550 0.00      
4 Au 1327 1313 96.63      
5 Bu 3125 3092 81.33      
6 Bu 1343 1329 60.66      

Unscaled Zero Point Vibrational Energy (zpe) 6037.7 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 5974.9 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/6-311G*
ABC
9.78145 1.30014 1.14760

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-311G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.626 0.000
N2 0.000 -0.626 0.000
H3 1.005 0.914 0.000
H4 -1.005 -0.914 0.000

Atom - Atom Distances (Å)
  N1 N2 H3 H4
N11.25161.04601.8391
N21.25161.83911.0460
H31.04601.83912.7178
H41.83911.04602.7178

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 106.007 N2 N1 H3 106.007
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.292      
2 N -0.292      
3 H 0.292      
4 H 0.292      


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 -10.274 3.443 0.000
y 3.443 -13.133 0.000
z 0.000 0.000 -12.011
Traceless
 xyz
x 2.298 3.443 0.000
y 3.443 -1.990 0.000
z 0.000 0.000 -0.308
Polar
3z2-r2-0.615
x2-y22.858
xy3.443
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.274 0.679 0.000
y 0.679 2.793 0.000
z 0.000 0.000 1.099


<r2> (average value of r2) Å2
<r2> 16.550
(<r2>)1/2 4.068