return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2N2 (diazirine)

using model chemistry: M06-2X/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 M06-2X/3-21G*
 hartrees
Energy at 0K-147.782160
Energy at 298.15K-147.784972
HF Energy-147.782160
Nuclear repulsion energy62.259313
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 M06-2X/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 3201 3032 0.18      
2 A1 1563 1480 1.48      
3 A1 1442 1366 12.67      
4 A1 953 903 5.75      
5 A2 975 924 0.00      
6 B1 3331 3155 3.34      
7 B1 1115 1057 2.52      
8 B2 1016 962 76.33      
9 B2 776 735 3.43      

Unscaled Zero Point Vibrational Energy (zpe) 7185.6 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 6806.2 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 M06-2X/3-21G*
ABC
1.30256 0.74477 0.52624

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.844
N2 0.000 0.632 -0.558
N3 0.000 -0.632 -0.558
H4 0.937 0.000 1.372
H5 -0.937 0.000 1.372

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.53681.53681.07631.0763
N21.53681.26312.23662.2366
N31.53681.26312.23662.2366
H41.07632.23662.23661.8749
H51.07632.23662.23661.8749

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.736 C1 N3 N2 65.736
N2 C1 N3 48.529 N2 C1 H4 116.611
N2 C1 H5 116.611 N3 C1 H4 116.611
N3 C1 H5 116.611 H4 C1 H5 121.144
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.234      
2 N -0.133      
3 N -0.133      
4 H 0.250      
5 H 0.250      


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 2.010 2.010
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.935 0.000 0.000
y 0.000 -20.577 0.000
z 0.000 0.000 -17.052
Traceless
 xyz
x 2.880 0.000 0.000
y 0.000 -4.083 0.000
z 0.000 0.000 1.203
Polar
3z2-r22.407
x2-y24.642
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.991 0.000 0.000
y 0.000 2.341 0.000
z 0.000 0.000 3.748


<r2> (average value of r2) Å2
<r2> 30.881
(<r2>)1/2 5.557