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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-147.283325
Energy at 298.15K-147.283152
HF Energy-147.283325
Nuclear repulsion energy51.491136
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/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 1545 1536 11.07      
2 A1 1101 1095 16.92      
3 B2 988 982 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 1817.1 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 1806.5 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/cc-pVDZ
ABC
1.42983 1.27884 0.67506

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.877
N2 0.000 0.649 -0.376
N3 0.000 -0.649 -0.376

Atom - Atom Distances (Å)
  C1 N2 N3
C11.41071.4107
N21.41071.2977
N31.41071.2977

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 62.618 C1 N3 N2 62.618
N2 C1 N3 54.764
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.058      
2 N 0.029      
3 N 0.029      


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 -0.658 0.658
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.494 0.000 0.000
y 0.000 -17.414 0.000
z 0.000 0.000 -19.088
Traceless
 xyz
x 3.757 0.000 0.000
y 0.000 -0.623 0.000
z 0.000 0.000 -3.135
Polar
3z2-r2-6.269
x2-y22.920
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.903 0.000 0.000
y 0.000 2.716 0.000
z 0.000 0.000 3.034


<r2> (average value of r2) Å2
<r2> 23.101
(<r2>)1/2 4.806