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

using model chemistry: B2PLYP/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 B2PLYP/TZVP
 hartrees
Energy at 0K-110.581080
Energy at 298.15K-110.583790
HF Energy-110.463028
Nuclear repulsion energy32.273964
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 B2PLYP/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 3276 3127 0.00      
2 Ag 1624 1550 0.00      
3 Ag 1575 1503 0.00      
4 Au 1358 1296 94.38      
5 Bu 3308 3157 30.56      
6 Bu 1354 1292 72.81      

Unscaled Zero Point Vibrational Energy (zpe) 6247.2 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 5962.4 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 B2PLYP/TZVP
ABC
10.12383 1.31373 1.16284

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/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 0.989 0.915 0.000
H4 -0.989 -0.915 0.000

Atom - Atom Distances (Å)
  N1 N2 H3 H4
N11.24431.03121.8274
N21.24431.82741.0312
H31.03121.82742.6939
H41.82741.03122.6939

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 106.471 N2 N1 H3 106.471
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.188      
2 N -0.188      
3 H 0.188      
4 H 0.188      


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 -10.593 3.617 0.000
y 3.617 -13.386 0.000
z 0.000 0.000 -12.181
Traceless
 xyz
x 2.191 3.617 0.000
y 3.617 -1.999 0.000
z 0.000 0.000 -0.192
Polar
3z2-r2-0.383
x2-y22.793
xy3.617
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.361 0.593 0.000
y 0.593 3.034 0.000
z 0.000 0.000 1.334


<r2> (average value of r2) Å2
<r2> 16.576
(<r2>)1/2 4.071