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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-147.894664
Energy at 298.15K-147.897628
HF Energy-147.894664
Nuclear repulsion energy65.702656
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/Def2TZVPP
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 3269 2963 12.45      
2 A1 1974 1790 44.97      
3 A1 1634 1481 3.33      
4 A1 1143 1036 7.02      
5 A2 1088 986 0.00      
6 B1 3377 3061 20.02      
7 B1 1248 1132 5.72      
8 B2 1168 1059 25.13      
9 B2 972 881 26.41      

Unscaled Zero Point Vibrational Energy (zpe) 7937.1 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 7194.2 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/Def2TZVPP
ABC
1.46240 0.82344 0.58967

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.786
N2 0.000 0.595 -0.529
N3 0.000 -0.595 -0.529
H4 0.919 0.000 1.340
H5 -0.919 0.000 1.340

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.44311.44311.07301.0730
N21.44311.18932.16582.1658
N31.44311.18932.16582.1658
H41.07302.16582.16581.8379
H51.07302.16582.16581.8379

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.665 C1 N3 N2 65.665
N2 C1 N3 48.670 N2 C1 H4 118.063
N2 C1 H5 118.063 N3 C1 H4 118.063
N3 C1 H5 118.063 H4 C1 H5 117.829
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.088      
2 N -0.096      
3 N -0.096      
4 H 0.052      
5 H 0.052      


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 1.830 1.830
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.964 0.000 0.000
y 0.000 -19.808 0.000
z 0.000 0.000 -17.288
Traceless
 xyz
x 2.584 0.000 0.000
y 0.000 -3.182 0.000
z 0.000 0.000 0.598
Polar
3z2-r21.196
x2-y23.844
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.604 0.000 0.000
y 0.000 3.033 0.000
z 0.000 0.000 4.190


<r2> (average value of r2) Å2
<r2> 28.895
(<r2>)1/2 5.375