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

using model chemistry: PBEPBEultrafine/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-110.520631
Energy at 298.15K-110.523333
HF Energy-110.520631
Nuclear repulsion energy31.875376
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/cc-pVDZ
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 3038 3020 0.00      
2 Ag 1602 1593 0.00      
3 Ag 1547 1538 0.00      
4 Au 1301 1293 83.51      
5 Bu 3058 3041 79.27      
6 Bu 1309 1302 62.42      

Unscaled Zero Point Vibrational Energy (zpe) 5927.6 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 5893.2 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/cc-pVDZ
ABC
9.46637 1.29576 1.13975

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/cc-pVDZ

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 1.020 0.902 0.000
H4 -1.020 -0.902 0.000

Atom - Atom Distances (Å)
  N1 N2 H3 H4
N11.25641.05601.8393
N21.25641.83931.0560
H31.05601.83932.7235
H41.83931.05602.7235

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 105.052 N2 N1 H3 105.052
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.115      
2 N -0.115      
3 H 0.115      
4 H 0.115      


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 -10.192 3.075 0.000
y 3.075 -12.842 0.000
z 0.000 0.000 -11.688
Traceless
 xyz
x 2.073 3.075 0.000
y 3.075 -1.902 0.000
z 0.000 0.000 -0.170
Polar
3z2-r2-0.341
x2-y22.650
xy3.075
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.297 0.717 0.000
y 0.717 2.720 0.000
z 0.000 0.000 1.041


<r2> (average value of r2) Å2
<r2> 16.463
(<r2>)1/2 4.057