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

using model chemistry: PBE1PBE/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 PBE1PBE/TZVP
 hartrees
Energy at 0K-147.307721
Energy at 298.15K-147.307572
HF Energy-147.307721
Nuclear repulsion energy52.654694
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 PBE1PBE/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 1656 1589 13.44      
2 A1 1181 1133 26.78      
3 B2 1063 1020 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 1950.2 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 1871.4 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 PBE1PBE/TZVP
ABC
1.49005 1.34223 0.70614

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.856
N2 0.000 0.636 -0.367
N3 0.000 -0.636 -0.367

Atom - Atom Distances (Å)
  C1 N2 N3
C11.37811.3781
N21.37811.2712
N31.37811.2712

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 62.534 C1 N3 N2 62.534
N2 C1 N3 54.931
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.112      
2 N 0.056      
3 N 0.056      


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 -14.657 0.000 0.000
y 0.000 -17.778 0.000
z 0.000 0.000 -19.655
Traceless
 xyz
x 4.059 0.000 0.000
y 0.000 -0.622 0.000
z 0.000 0.000 -3.437
Polar
3z2-r2-6.874
x2-y23.121
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.214 0.000 0.000
y 0.000 2.981 0.000
z 0.000 0.000 3.282


<r2> (average value of r2) Å2
<r2> 22.780
(<r2>)1/2 4.773