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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-146.800827
Energy at 298.15K-146.803638
HF Energy-146.800827
Nuclear repulsion energy60.939953
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/STO-3G
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 3349 2989 11.52      
2 A1 1651 1474 0.07      
3 A1 1503 1341 0.53      
4 A1 1153 1029 1.37      
5 A2 1013 904 0.00      
6 B1 3524 3145 0.02      
7 B1 1131 1010 5.50      
8 B2 1089 972 32.84      
9 B2 924 825 5.65      

Unscaled Zero Point Vibrational Energy (zpe) 7668.8 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 6843.6 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 B3LYP/STO-3G
ABC
1.18508 0.75009 0.50915

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.831
N2 0.000 0.666 -0.556
N3 0.000 -0.666 -0.556
H4 0.944 0.000 1.398
H5 -0.944 0.000 1.398

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.53801.53801.10091.1009
N21.53801.33242.26932.2693
N31.53801.33242.26932.2693
H41.10092.26932.26931.8873
H51.10092.26932.26931.8873

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 64.332 C1 N3 N2 64.332
N2 C1 N3 51.336 N2 C1 H4 117.660
N2 C1 H5 117.660 N3 C1 H4 117.660
N3 C1 H5 117.660 H4 C1 H5 117.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.077      
2 N -0.062      
3 N -0.062      
4 H 0.101      
5 H 0.101      


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 1.499 1.499
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.830 0.000 0.000
y 0.000 -18.694 0.000
z 0.000 0.000 -16.122
Traceless
 xyz
x 2.578 0.000 0.000
y 0.000 -3.218 0.000
z 0.000 0.000 0.640
Polar
3z2-r21.280
x2-y23.864
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.249 0.000 0.000
y 0.000 1.390 0.000
z 0.000 0.000 2.283


<r2> (average value of r2) Å2
<r2> 30.699
(<r2>)1/2 5.541