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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: HF/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-25.924163
Energy at 298.15K-25.927126
HF Energy-25.924163
Nuclear repulsion energy34.622277
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/CEP-121G*
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 3291 2973 17.28      
2 A1 1954 1765 48.49      
3 A1 1635 1477 1.62      
4 A1 1163 1051 4.51      
5 A2 1087 982 0.00      
6 B1 3407 3078 34.55      
7 B1 1248 1127 6.97      
8 B2 1155 1043 23.41      
9 B2 975 881 32.01      

Unscaled Zero Point Vibrational Energy (zpe) 7956.8 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 7188.1 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/CEP-121G*
ABC
1.42436 0.81424 0.57933

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.794
N2 0.000 0.601 -0.532
N3 0.000 -0.601 -0.532
H4 0.924 0.000 1.346
H5 -0.924 0.000 1.346

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.45601.45601.07651.0765
N21.45601.20202.17832.1783
N31.45601.20202.17832.1783
H41.07652.17832.17831.8475
H51.07652.17832.17831.8475

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.621 C1 N3 N2 65.621
N2 C1 N3 48.759 N2 C1 H4 117.887
N2 C1 H5 117.887 N3 C1 H4 117.887
N3 C1 H5 117.887 H4 C1 H5 118.203
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.261      
2 N -0.048      
3 N -0.048      
4 H 0.179      
5 H 0.179      


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 1.935 1.935
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.878 0.000 0.000
y 0.000 -19.878 0.000
z 0.000 0.000 -17.209
Traceless
 xyz
x 2.666 0.000 0.000
y 0.000 -3.335 0.000
z 0.000 0.000 0.669
Polar
3z2-r21.338
x2-y24.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.375 0.000 0.000
y 0.000 2.835 0.000
z 0.000 0.000 4.084


<r2> (average value of r2) Å2
<r2> 25.326
(<r2>)1/2 5.033