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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: B3LYP/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 B3LYP/3-21G*
 hartrees
Energy at 0K-147.854497
Energy at 298.15K-147.857249
HF Energy-147.854497
Nuclear repulsion energy61.878927
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/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 3194 3072 0.01      
2 A1 1533 1475 0.32      
3 A1 1370 1318 12.93      
4 A1 895 861 5.86      
5 A2 955 918 0.00      
6 B1 3329 3203 7.29      
7 B1 1095 1054 2.37      
8 B2 964 927 76.85      
9 B2 709 682 1.68      

Unscaled Zero Point Vibrational Energy (zpe) 7021.8 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 6754.9 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/3-21G*
ABC
1.29036 0.73353 0.51901

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.852
N2 0.000 0.635 -0.562
N3 0.000 -0.635 -0.562
H4 0.940 0.000 1.378
H5 -0.940 0.000 1.378

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.54971.54971.07761.0776
N21.54971.26942.24722.2472
N31.54971.26942.24722.2472
H41.07762.24722.24721.8810
H51.07762.24722.24721.8810

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.823 C1 N3 N2 65.823
N2 C1 N3 48.354 N2 C1 H4 116.444
N2 C1 H5 116.444 N3 C1 H4 116.444
N3 C1 H5 116.444 H4 C1 H5 121.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.227      
2 N -0.125      
3 N -0.125      
4 H 0.239      
5 H 0.239      


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 1.878 1.878
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.816 0.000 0.000
y 0.000 -20.360 0.000
z 0.000 0.000 -16.903
Traceless
 xyz
x 2.815 0.000 0.000
y 0.000 -4.000 0.000
z 0.000 0.000 1.185
Polar
3z2-r22.371
x2-y24.543
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.030 0.000 0.000
y 0.000 2.293 0.000
z 0.000 0.000 3.742


<r2> (average value of r2) Å2
<r2> 31.030
(<r2>)1/2 5.570