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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-110.538210
Energy at 298.15K-110.540917
HF Energy-110.538210
Nuclear repulsion energy31.971944
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 B1B95/6-31G
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 3240 3090 0.00      
2 Ag 1653 1576 0.00      
3 Ag 1575 1502 0.00      
4 Au 1351 1289 136.26      
5 Bu 3275 3123 52.23      
6 Bu 1343 1281 103.49      

Unscaled Zero Point Vibrational Energy (zpe) 6218.5 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 5930.6 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 B1B95/6-31G
ABC
10.33613 1.27810 1.13745

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

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 0.984 0.955 0.000
H4 -0.984 -0.955 0.000

Atom - Atom Distances (Å)
  N1 N2 H3 H4
N11.25521.03681.8637
N21.25521.86371.0368
H31.03681.86372.7424
H41.86371.03682.7424

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 108.430 N2 N1 H3 108.430
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.310      
2 N -0.310      
3 H 0.310      
4 H 0.310      


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 -10.353 4.010 0.000
y 4.010 -13.161 0.000
z 0.000 0.000 -11.935
Traceless
 xyz
x 2.195 4.010 0.000
y 4.010 -2.017 0.000
z 0.000 0.000 -0.178
Polar
3z2-r2-0.355
x2-y22.808
xy4.010
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.055 0.760 0.000
y 0.760 2.746 0.000
z 0.000 0.000 0.801


<r2> (average value of r2) Å2
<r2> 16.655
(<r2>)1/2 4.081