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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: HF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-147.867340
Energy at 298.15K-147.870306
HF Energy-147.867340
Nuclear repulsion energy65.594425
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3288 2974 14.21      
2 A1 1993 1802 47.85      
3 A1 1644 1487 2.60      
4 A1 1164 1053 5.46      
5 A2 1094 990 0.00      
6 B1 3398 3074 31.49      
7 B1 1261 1141 6.82      
8 B2 1158 1048 24.63      
9 B2 975 882 33.74      

Unscaled Zero Point Vibrational Energy (zpe) 7987.7 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 7224.1 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/6-311G*
ABC
1.45330 0.82293 0.58820

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.789
N2 0.000 0.594 -0.530
N3 0.000 -0.594 -0.530
H4 0.922 0.000 1.340
H5 -0.922 0.000 1.340

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.44631.44631.07361.0736
N21.44631.18832.16702.1670
N31.44631.18832.16702.1670
H41.07362.16702.16701.8434
H51.07362.16702.16701.8434

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.743 C1 N3 N2 65.743
N2 C1 N3 48.513 N2 C1 H4 117.870
N2 C1 H5 117.870 N3 C1 H4 117.870
N3 C1 H5 117.870 H4 C1 H5 118.308
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.331      
2 N -0.067      
3 N -0.067      
4 H 0.233      
5 H 0.233      


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 1.848 1.848
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.866 0.000 0.000
y 0.000 -19.947 0.000
z 0.000 0.000 -17.192
Traceless
 xyz
x 2.703 0.000 0.000
y 0.000 -3.418 0.000
z 0.000 0.000 0.715
Polar
3z2-r21.429
x2-y24.080
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.257 0.000 0.000
y 0.000 2.669 0.000
z 0.000 0.000 3.891


<r2> (average value of r2) Å2
<r2> 28.927
(<r2>)1/2 5.378