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

using model chemistry: PBEPBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/STO-3G
 hartrees
Energy at 0K-145.364925
Energy at 298.15K-145.364685
HF Energy-145.364925
Nuclear repulsion energy47.780013
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 PBEPBE/STO-3G
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 1452 1327 3.41      
2 A1 1057 965 28.87      
3 B2 951 869 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 1729.9 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 1580.4 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 PBEPBE/STO-3G
ABC
1.21317 1.11870 0.58201

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.938
N2 0.000 0.704 -0.402
N3 0.000 -0.704 -0.402

Atom - Atom Distances (Å)
  C1 N2 N3
C11.51331.5133
N21.51331.4088
N31.51331.4088

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 62.259 C1 N3 N2 62.259
N2 C1 N3 55.482
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.079      
2 N -0.039      
3 N -0.039      


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 -0.215 0.215
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.295 0.000 0.000
y 0.000 -16.623 0.000
z 0.000 0.000 -17.588
Traceless
 xyz
x 3.810 0.000 0.000
y 0.000 -1.181 0.000
z 0.000 0.000 -2.629
Polar
3z2-r2-5.257
x2-y23.328
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.032 0.000 0.000
y 0.000 1.583 0.000
z 0.000 0.000 1.753


<r2> (average value of r2) Å2
<r2> 24.371
(<r2>)1/2 4.937