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

using model chemistry: HF/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 HF/cc-pVDZ
 hartrees
Energy at 0K-146.630073
Energy at 298.15K-146.629947
HF Energy-146.630073
Nuclear repulsion energy53.502641
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 HF/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 1855 1685 19.47      
2 A1 1313 1192 26.83      
3 B2 1137 1033 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 2152.7 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 1954.6 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 HF/cc-pVDZ
ABC
1.54511 1.37938 0.72878

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.844
N2 0.000 0.624 -0.362
N3 0.000 -0.624 -0.362

Atom - Atom Distances (Å)
  C1 N2 N3
C11.35811.3581
N21.35811.2483
N31.35811.2483

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 62.639 C1 N3 N2 62.639
N2 C1 N3 54.721
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.018      
2 N -0.009      
3 N -0.009      


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 -0.549 0.549
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.558 0.000 0.000
y 0.000 -17.700 0.000
z 0.000 0.000 -19.551
Traceless
 xyz
x 4.068 0.000 0.000
y 0.000 -0.645 0.000
z 0.000 0.000 -3.422
Polar
3z2-r2-6.845
x2-y23.142
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.838 0.000 0.000
y 0.000 2.625 0.000
z 0.000 0.000 2.764


<r2> (average value of r2) Å2
<r2> 22.351
(<r2>)1/2 4.728