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

using model chemistry: HSEh1PBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-147.300499
Energy at 298.15K-147.300349
HF Energy-147.300499
Nuclear repulsion energy52.300102
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 HSEh1PBE/aug-cc-pVDZ
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 1651 1589 12.47      
2 A1 1181 1136 25.28      
3 B2 1051 1011 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 1941.7 cm-1
Scaled (by 0.9622) Zero Point Vibrational Energy (zpe) 1868.3 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 HSEh1PBE/aug-cc-pVDZ
ABC
1.47265 1.32170 0.69655

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.863
N2 0.000 0.639 -0.370
N3 0.000 -0.639 -0.370

Atom - Atom Distances (Å)
  C1 N2 N3
C11.38821.3882
N21.38821.2786
N31.38821.2786

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 62.577 C1 N3 N2 62.577
N2 C1 N3 54.845
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.169      
2 N -0.085      
3 N -0.085      


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 -0.649 0.649
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.908 0.000 0.000
y 0.000 -17.699 0.000
z 0.000 0.000 -19.609
Traceless
 xyz
x 3.745 0.000 0.000
y 0.000 -0.440 0.000
z 0.000 0.000 -3.305
Polar
3z2-r2-6.610
x2-y22.790
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.571 0.000 0.000
y 0.000 3.198 0.000
z 0.000 0.000 3.547


<r2> (average value of r2) Å2
<r2> 22.970
(<r2>)1/2 4.793