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

using model chemistry: LSDA/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at LSDA/cc-pVTZ
 hartrees
Energy at 0K-110.097252
Energy at 298.15K-110.099955
HF Energy-110.097252
Nuclear repulsion energy32.331156
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 LSDA/cc-pVTZ
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 3112 3078 0.00      
2 Ag 1647 1629 0.00      
3 Ag 1533 1516 0.00      
4 Au 1304 1290 97.53      
5 Bu 3138 3104 35.81      
6 Bu 1308 1294 88.21      

Unscaled Zero Point Vibrational Energy (zpe) 6020.8 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 5955.2 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 LSDA/cc-pVTZ
ABC
9.89563 1.32955 1.17208

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.617 0.000
N2 0.000 -0.617 0.000
H3 1.002 0.915 0.000
H4 -1.002 -0.915 0.000

Atom - Atom Distances (Å)
  N1 N2 H3 H4
N11.23441.04561.8313
N21.23441.83131.0456
H31.04561.83132.7148
H41.83131.04562.7148

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 106.573 N2 N1 H3 106.573
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.158      
2 N -0.158      
3 H 0.158      
4 H 0.158      


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 -10.391 3.412 0.000
y 3.412 -13.075 0.000
z 0.000 0.000 -12.096
Traceless
 xyz
x 2.194 3.412 0.000
y 3.412 -1.831 0.000
z 0.000 0.000 -0.363
Polar
3z2-r2-0.726
x2-y22.684
xy3.412
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.543 0.615 0.000
y 0.615 3.063 0.000
z 0.000 0.000 1.461


<r2> (average value of r2) Å2
<r2> 16.422
(<r2>)1/2 4.052