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

using model chemistry: HF/cc-pCVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at HF/cc-pCVDZ
 hartrees
Energy at 0K-110.009220
Energy at 298.15K-110.011946
HF Energy-110.009220
Nuclear repulsion energy32.918552
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 HF/cc-pCVDZ
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 3530 3235 0.00      
2 Ag 1908 1749 0.00      
3 Ag 1735 1590 0.00      
4 Au 1462 1340 110.18      
5 Bu 3564 3266 10.29      
6 Bu 1456 1334 112.05      

Unscaled Zero Point Vibrational Energy (zpe) 6827.7 cm-1
Scaled (by 0.9163) Zero Point Vibrational Energy (zpe) 6256.2 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 HF/cc-pCVDZ
ABC
10.51957 1.36944 1.21170

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.607 0.000
N2 0.000 -0.607 0.000
H3 0.974 0.912 0.000
H4 -0.974 -0.912 0.000

Atom - Atom Distances (Å)
  N1 N2 H3 H4
N11.21441.02011.8042
N21.21441.80421.0201
H31.02011.80422.6677
H41.80421.02012.6677

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 107.374 N2 N1 H3 107.374
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pCVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.125      
2 N -0.125      
3 H 0.125      
4 H 0.125      


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 -10.134 3.465 0.000
y 3.465 -12.683 0.000
z 0.000 0.000 -11.828
Traceless
 xyz
x 2.121 3.465 0.000
y 3.465 -1.703 0.000
z 0.000 0.000 -0.419
Polar
3z2-r2-0.838
x2-y22.549
xy3.465
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.904 0.616 0.000
y 0.616 2.787 0.000
z 0.000 0.000 0.989


<r2> (average value of r2) Å2
<r2> 15.933
(<r2>)1/2 3.992