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

using model chemistry: B3LYP/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/CEP-31G*
 hartrees
Energy at 0K-25.285512
Energy at 298.15K-25.285331
HF Energy-25.285512
Nuclear repulsion energy25.129712
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 B3LYP/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 1587 1533 17.13      
2 A1 1114 1076 23.76      
3 B2 960 927 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 1830.4 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 1767.6 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 B3LYP/CEP-31G*
ABC
1.41897 1.27481 0.67152

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.878
N2 0.000 0.651 -0.376
N3 0.000 -0.651 -0.376

Atom - Atom Distances (Å)
  C1 N2 N3
C11.41361.4136
N21.41361.3026
N31.41361.3026

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 62.566 C1 N3 N2 62.566
N2 C1 N3 54.869
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.248      
2 N 0.124      
3 N 0.124      


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 -0.537 0.537
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.579 0.000 0.000
y 0.000 -17.593 0.000
z 0.000 0.000 -19.395
Traceless
 xyz
x 3.915 0.000 0.000
y 0.000 -0.607 0.000
z 0.000 0.000 -3.309
Polar
3z2-r2-6.617
x2-y23.015
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.047 0.000 0.000
y 0.000 2.905 0.000
z 0.000 0.000 3.151


<r2> (average value of r2) Å2
<r2> 19.480
(<r2>)1/2 4.414