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

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-110.601501
Energy at 298.15K-110.604212
HF Energy-110.601501
Nuclear repulsion energy32.350110
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 B1B95/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 3226 3100 0.00      
2 Ag 1713 1647 0.00      
3 Ag 1610 1547 0.00      
4 Au 1352 1300 91.36      
5 Bu 3253 3127 39.90      
6 Bu 1353 1301 78.01      

Unscaled Zero Point Vibrational Energy (zpe) 6253.3 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 6010.7 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 B1B95/cc-pVDZ
ABC
9.87966 1.33072 1.17276

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.619 0.000
N2 0.000 -0.619 0.000
H3 1.000 0.902 0.000
H4 -1.000 -0.902 0.000

Atom - Atom Distances (Å)
  N1 N2 H3 H4
N11.23721.03981.8203
N21.23721.82031.0398
H31.03981.82032.6943
H41.82031.03982.6943

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 105.832 N2 N1 H3 105.832
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.120      
2 N -0.120      
3 H 0.120      
4 H 0.120      


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 -10.079 3.193 0.000
y 3.193 -12.704 0.000
z 0.000 0.000 -11.640
Traceless
 xyz
x 2.093 3.193 0.000
y 3.193 -1.844 0.000
z 0.000 0.000 -0.248
Polar
3z2-r2-0.497
x2-y22.625
xy3.193
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.122 0.664 0.000
y 0.664 2.677 0.000
z 0.000 0.000 1.018


<r2> (average value of r2) Å2
<r2> 16.153
(<r2>)1/2 4.019