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

using model chemistry: TPSSh/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at TPSSh/6-31+G**
 hartrees
Energy at 0K-110.651295
Energy at 298.15K-110.654003
HF Energy-110.651295
Nuclear repulsion energy32.154659
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 TPSSh/6-31+G**
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 3234 3113 0.00      
2 Ag 1645 1584 0.00      
3 Ag 1601 1541 0.00      
4 Au 1349 1298 95.57      
5 Bu 3263 3140 30.10      
6 Bu 1346 1296 73.72      

Unscaled Zero Point Vibrational Energy (zpe) 6218.9 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 5985.7 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 TPSSh/6-31+G**
ABC
9.99502 1.30613 1.15517

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.621 0.000
N2 0.000 -0.621 0.000
H3 0.987 0.935 0.000
H4 -0.987 -0.935 0.000

Atom - Atom Distances (Å)
  N1 N2 H3 H4
N11.24281.03581.8431
N21.24281.84311.0358
H31.03581.84312.7194
H41.84311.03582.7194

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 107.627 N2 N1 H3 107.627
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.282      
2 N -0.282      
3 H 0.282      
4 H 0.282      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.435 0.452 0.000
y 0.452 3.276 0.000
z 0.000 0.000 1.520


<r2> (average value of r2) Å2
<r2> 16.672
(<r2>)1/2 4.083