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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G3B3
 hartrees
Energy at 0K-148.632001
Energy at 298.15K-148.634959
HF Energy-148.720550
Nuclear repulsion energy64.036141
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 B3LYP/6-31G*
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 3156 3031 5.80      
2 A1 1743 1674 23.26      
3 A1 1521 1461 2.32      
4 A1 1066 1023 1.81      
5 A2 995 956 0.00      
6 B1 3268 3138 17.63      
7 B1 1160 1114 4.54      
8 B2 1013 973 34.40      
9 B2 848 815 15.38      

Unscaled Zero Point Vibrational Energy (zpe) 7385.5 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 7092.3 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 B3LYP/6-31G*
ABC
1.36800 0.79383 0.56119

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.806
N2 0.000 0.614 -0.539
N3 0.000 -0.614 -0.539
H4 0.934 0.000 1.357
H5 -0.934 0.000 1.357

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.47871.47871.08481.0848
N21.47871.22832.20132.2013
N31.47871.22832.20132.2013
H41.08482.20132.20131.8688
H51.08482.20132.20131.8688

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.457 C1 N3 N2 65.457
N2 C1 N3 49.087 N2 C1 H4 117.542
N2 C1 H5 117.542 N3 C1 H4 117.542
N3 C1 H5 117.542 H4 C1 H5 118.895
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.162      
2 N -0.094      
3 N -0.094      
4 H 0.175      
5 H 0.175      


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 1.679 1.679
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 29.576
(<r2>)1/2 5.438