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

using model chemistry: HF/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-146.676586
Energy at 298.15K-146.676460
HF Energy-146.676586
Nuclear repulsion energy53.815863
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/aug-cc-pVQZ
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 1832 1664 17.18      
2 A1 1307 1187 32.41      
3 B2 1143 1038 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 2140.7 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 1944.8 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/aug-cc-pVQZ
ABC
1.56047 1.39825 0.73746

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.839
N2 0.000 0.621 -0.359
N3 0.000 -0.621 -0.359

Atom - Atom Distances (Å)
  C1 N2 N3
C11.34941.3494
N21.34941.2421
N31.34941.2421

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 62.596 C1 N3 N2 62.596
N2 C1 N3 54.807
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.212      
2 N -0.106      
3 N -0.106      


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 -0.634 0.634
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.802 0.000 0.000
y 0.000 -17.658 0.000
z 0.000 0.000 -19.722
Traceless
 xyz
x 3.888 0.000 0.000
y 0.000 -0.396 0.000
z 0.000 0.000 -3.492
Polar
3z2-r2-6.984
x2-y22.856
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.475 0.000 0.000
y 0.000 3.030 0.000
z 0.000 0.000 3.239


<r2> (average value of r2) Å2
<r2> 22.292
(<r2>)1/2 4.721