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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-147.796797
Energy at 298.15K-147.799571
HF Energy-147.796797
Nuclear repulsion energy62.000273
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 B3PW91/3-21G
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 3199 3075 0.00      
2 A1 1531 1471 0.18      
3 A1 1379 1326 12.43      
4 A1 917 881 5.44      
5 A2 962 924 0.00      
6 B1 3336 3206 6.37      
7 B1 1098 1056 1.98      
8 B2 978 940 82.73      
9 B2 729 700 2.26      

Unscaled Zero Point Vibrational Energy (zpe) 7063.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 6789.6 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 B3PW91/3-21G
ABC
1.28903 0.73981 0.52203

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.847
N2 0.000 0.635 -0.559
N3 0.000 -0.635 -0.559
H4 0.941 0.000 1.374
H5 -0.941 0.000 1.374

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.54321.54321.07861.0786
N21.54321.26992.24192.2419
N31.54321.26992.24192.2419
H41.07862.24192.24191.8827
H51.07862.24192.24191.8827

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.703 C1 N3 N2 65.703
N2 C1 N3 48.595 N2 C1 H4 116.424
N2 C1 H5 116.424 N3 C1 H4 116.424
N3 C1 H5 116.424 H4 C1 H5 121.548
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.266      
2 N -0.129      
3 N -0.129      
4 H 0.262      
5 H 0.262      


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 1.941 1.941
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.788 0.000 0.000
y 0.000 -20.408 0.000
z 0.000 0.000 -16.868
Traceless
 xyz
x 2.850 0.000 0.000
y 0.000 -4.080 0.000
z 0.000 0.000 1.230
Polar
3z2-r22.460
x2-y24.620
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.032 0.000 0.000
y 0.000 2.312 0.000
z 0.000 0.000 3.730


<r2> (average value of r2) Å2
<r2> 30.925
(<r2>)1/2 5.561