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

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-147.399172
Energy at 298.15K-147.399020
HF Energy-147.399172
Nuclear repulsion energy52.421879
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 mPW1PW91/6-31G(2df,p)
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 1650 1575 12.05      
2 A1 1179 1126 18.51      
3 B2 1053 1005 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 1940.8 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 1852.8 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 mPW1PW91/6-31G(2df,p)
ABC
1.48161 1.32586 0.69971

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.861
N2 0.000 0.637 -0.369
N3 0.000 -0.637 -0.369

Atom - Atom Distances (Å)
  C1 N2 N3
C11.38561.3856
N21.38561.2748
N31.38561.2748

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 62.612 C1 N3 N2 62.612
N2 C1 N3 54.777
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.019      
2 N 0.010      
3 N 0.010      


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 -0.603 0.603
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.489 0.000 0.000
y 0.000 -17.265 0.000
z 0.000 0.000 -18.965
Traceless
 xyz
x 3.627 0.000 0.000
y 0.000 -0.538 0.000
z 0.000 0.000 -3.088
Polar
3z2-r2-6.176
x2-y22.777
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.056 0.000 0.000
y 0.000 2.735 0.000
z 0.000 0.000 2.984


<r2> (average value of r2) Å2
<r2> 22.604
(<r2>)1/2 4.754