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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: B97D3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/TZVP
 hartrees
Energy at 0K-148.679482
Energy at 298.15K-148.682317
HF Energy-148.679482
Nuclear repulsion energy63.877349
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 B97D3/TZVP
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 3082 3037 7.51      
2 A1 1667 1643 19.06      
3 A1 1475 1454 2.69      
4 A1 997 983 2.49      
5 A2 968 954 0.00      
6 B1 3199 3153 16.51      
7 B1 1130 1113 3.60      
8 B2 970 956 39.06      
9 B2 809 798 15.63      

Unscaled Zero Point Vibrational Energy (zpe) 7148.1 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 7045.2 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 B97D3/TZVP
ABC
1.36881 0.78539 0.55752

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.812
N2 0.000 0.614 -0.542
N3 0.000 -0.614 -0.542
H4 0.937 0.000 1.358
H5 -0.937 0.000 1.358

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.48681.48681.08491.0849
N21.48681.22722.20612.2061
N31.48681.22722.20612.2061
H41.08492.20612.20611.8749
H51.08492.20612.20611.8749

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.627 C1 N3 N2 65.627
N2 C1 N3 48.747 N2 C1 H4 117.289
N2 C1 H5 117.289 N3 C1 H4 117.289
N3 C1 H5 117.289 H4 C1 H5 119.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.293      
2 N 0.005      
3 N 0.005      
4 H 0.141      
5 H 0.141      


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 1.636 1.636
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.844 0.000 0.000
y 0.000 -19.981 0.000
z 0.000 0.000 -17.199
Traceless
 xyz
x 2.747 0.000 0.000
y 0.000 -3.460 0.000
z 0.000 0.000 0.713
Polar
3z2-r21.426
x2-y24.138
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.664 0.000 0.000
y 0.000 3.095 0.000
z 0.000 0.000 4.384


<r2> (average value of r2) Å2
<r2> 29.830
(<r2>)1/2 5.462