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All results from a given calculation for CN2 (3H-Diazirin-3-ylidene)

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-24.705000
Energy at 298.15K-24.704869
HF Energy-24.705000
Nuclear repulsion energy26.033534
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/CEP-121G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 1826 1649 22.38      
2 A1 1297 1172 37.93      
3 B2 1121 1012 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 2121.7 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 1916.7 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 HF/CEP-121G*
ABC
1.52259 1.36845 0.72071

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.848
N2 0.000 0.629 -0.363
N3 0.000 -0.629 -0.363

Atom - Atom Distances (Å)
  C1 N2 N3
C11.36451.3645
N21.36451.2575
N31.36451.2575

picture of 3H-Diazirin-3-ylidene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 62.561 C1 N3 N2 62.561
N2 C1 N3 54.878
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.015      
2 N 0.008      
3 N 0.008      


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 -0.567 0.567
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.556 0.000 0.000
y 0.000 -17.679 0.000
z 0.000 0.000 -19.740
Traceless
 xyz
x 4.153 0.000 0.000
y 0.000 -0.531 0.000
z 0.000 0.000 -3.622
Polar
3z2-r2-7.244
x2-y23.123
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.053 0.000 0.000
y 0.000 2.877 0.000
z 0.000 0.000 3.002


<r2> (average value of r2) Å2
<r2> 18.968
(<r2>)1/2 4.355