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

using model chemistry: PBEPBEultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/TZVP
 hartrees
Energy at 0K-147.314820
Energy at 298.15K-147.314645
HF Energy-147.314820
Nuclear repulsion energy51.833208
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 PBEPBEultrafine/TZVP
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 1537 1520 11.98      
2 A1 1093 1080 23.11      
3 B2 990 978 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 1809.7 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 1789.1 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 PBEPBEultrafine/TZVP
ABC
1.44316 1.30141 0.68431

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.869
N2 0.000 0.646 -0.373
N3 0.000 -0.646 -0.373

Atom - Atom Distances (Å)
  C1 N2 N3
C11.39971.3997
N21.39971.2916
N31.39971.2916

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 62.522 C1 N3 N2 62.522
N2 C1 N3 54.957
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.136      
2 N 0.068      
3 N 0.068      


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 -0.655 0.655
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.795 0.000 0.000
y 0.000 -17.877 0.000
z 0.000 0.000 -19.696
Traceless
 xyz
x 3.991 0.000 0.000
y 0.000 -0.631 0.000
z 0.000 0.000 -3.360
Polar
3z2-r2-6.720
x2-y23.082
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.277 0.000 0.000
y 0.000 3.094 0.000
z 0.000 0.000 3.450


<r2> (average value of r2) Å2
<r2> 23.218
(<r2>)1/2 4.819