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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: BLYP/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 BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-148.690204
Energy at 298.15K-148.693014
HF Energy-148.690204
Nuclear repulsion energy63.333158
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 BLYP/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 3062 3045 6.09      
2 A1 1626 1617 17.43      
3 A1 1449 1441 2.47      
4 A1 995 989 1.80      
5 A2 953 948 0.00      
6 B1 3181 3163 12.95      
7 B1 1108 1102 4.26      
8 B2 941 936 30.37      
9 B2 787 783 9.53      

Unscaled Zero Point Vibrational Energy (zpe) 7051.0 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 7012.3 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 BLYP/6-31G(2df,p)
ABC
1.34098 0.77464 0.54810

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.819
N2 0.000 0.621 -0.546
N3 0.000 -0.621 -0.546
H4 0.942 0.000 1.366
H5 -0.942 0.000 1.366

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.49901.49901.08941.0894
N21.49901.24102.21982.2198
N31.49901.24102.21982.2198
H41.08942.21982.21981.8838
H51.08942.21982.21981.8838

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.547 C1 N3 N2 65.547
N2 C1 N3 48.907 N2 C1 H4 117.220
N2 C1 H5 117.220 N3 C1 H4 117.220
N3 C1 H5 117.220 H4 C1 H5 119.672
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.189      
2 N -0.027      
3 N -0.027      
4 H 0.122      
5 H 0.122      


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 1.526 1.526
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.780 0.000 0.000
y 0.000 -19.497 0.000
z 0.000 0.000 -16.969
Traceless
 xyz
x 2.453 0.000 0.000
y 0.000 -3.123 0.000
z 0.000 0.000 0.670
Polar
3z2-r21.340
x2-y23.717
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.590 0.000 0.000
y 0.000 2.737 0.000
z 0.000 0.000 4.011


<r2> (average value of r2) Å2
<r2> 29.967
(<r2>)1/2 5.474