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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: HF/6-31G*

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/6-31G*
 hartrees
Energy at 0K-147.836093
Energy at 298.15K 
HF Energy-147.836093
Nuclear repulsion energy65.504378
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/6-31G*
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 3319 2982 10.79      
2 A1 2001 1798 48.07      
3 A1 1654 1486 1.43      
4 A1 1181 1061 4.05      
5 A2 1097 986 0.00      
6 B1 3428 3080 27.85      
7 B1 1262 1134 7.05      
8 B2 1176 1057 26.91      
9 B2 985 885 26.70      

Unscaled Zero Point Vibrational Energy (zpe) 8051.8 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 7234.6 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 HF/6-31G*
ABC
1.44253 0.82454 0.58706

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.788
N2 0.000 0.597 -0.529
N3 0.000 -0.597 -0.529
H4 0.921 0.000 1.340
H5 -0.921 0.000 1.340

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.44571.44571.07371.0737
N21.44571.19382.16762.1676
N31.44571.19382.16762.1676
H41.07372.16762.16761.8410
H51.07372.16762.16761.8410

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.615 C1 N3 N2 65.615
N2 C1 N3 48.771 N2 C1 H4 117.960
N2 C1 H5 117.960 N3 C1 H4 117.960
N3 C1 H5 117.960 H4 C1 H5 118.034
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.158      
2 N -0.116      
3 N -0.116      
4 H 0.195      
5 H 0.195      


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 1.909 1.909
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.980 0.000 -0.005
y 0.000 -19.841 0.000
z -0.005 0.000 -17.200
Traceless
 xyz
x 2.540 0.000 -0.005
y 0.000 -3.251 0.000
z -0.005 0.000 0.710
Polar
3z2-r21.421
x2-y23.861
xy0.000
xz-0.005
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.240 0.000 0.015
y 0.000 2.518 0.000
z 0.015 0.000 3.792


<r2> (average value of r2) Å2
<r2> 28.956
(<r2>)1/2 5.381