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

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-147.419158
Energy at 298.15K-147.419003
HF Energy-147.419158
Nuclear repulsion energy52.487914
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 B3PW91/cc-pVTZ
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 1624 1562 13.32      
2 A1 1158 1114 20.67      
3 B2 1042 1002 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 1912.0 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 1838.6 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 B3PW91/cc-pVTZ
ABC
1.48183 1.33258 0.70162

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.859
N2 0.000 0.637 -0.368
N3 0.000 -0.637 -0.368

Atom - Atom Distances (Å)
  C1 N2 N3
C11.38281.3828
N21.38281.2747
N31.38281.2747

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 62.554 C1 N3 N2 62.554
N2 C1 N3 54.892
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.106      
2 N 0.053      
3 N 0.053      


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 -0.656 0.656
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.660 0.000 0.000
y 0.000 -17.523 0.000
z 0.000 0.000 -19.348
Traceless
 xyz
x 3.775 0.000 0.000
y 0.000 -0.519 0.000
z 0.000 0.000 -3.256
Polar
3z2-r2-6.513
x2-y22.863
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.235 0.000 0.000
y 0.000 2.944 0.000
z 0.000 0.000 3.221


<r2> (average value of r2) Å2
<r2> 22.740
(<r2>)1/2 4.769