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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-148.554738
Energy at 298.15K-148.557574
HF Energy-148.554738
Nuclear repulsion energy63.552712
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 PBEPBE/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 3088 3044 5.49      
2 A1 1666 1642 16.40      
3 A1 1472 1451 2.37      
4 A1 1054 1038 1.09      
5 A2 966 952 0.00      
6 B1 3199 3153 16.43      
7 B1 1125 1109 3.64      
8 B2 970 956 35.48      
9 B2 825 814 16.29      

Unscaled Zero Point Vibrational Energy (zpe) 7181.7 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 7079.0 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 PBEPBE/6-31G*
ABC
1.33675 0.78748 0.55378

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.809
N2 0.000 0.622 -0.541
N3 0.000 -0.622 -0.541
H4 0.942 0.000 1.363
H5 -0.942 0.000 1.363

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.48601.48601.09311.0931
N21.48601.24332.21362.2136
N31.48601.24332.21362.2136
H41.09312.21362.21361.8839
H51.09312.21362.21361.8839

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.271 C1 N3 N2 65.271
N2 C1 N3 49.458 N2 C1 H4 117.442
N2 C1 H5 117.442 N3 C1 H4 117.442
N3 C1 H5 117.442 H4 C1 H5 119.022
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.202      
2 N -0.084      
3 N -0.084      
4 H 0.184      
5 H 0.184      


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 1.598 1.598
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.756 0.000 0.000
y 0.000 -19.600 0.000
z 0.000 0.000 -16.944
Traceless
 xyz
x 2.517 0.000 0.000
y 0.000 -3.250 0.000
z 0.000 0.000 0.734
Polar
3z2-r21.468
x2-y23.845
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.388 0.000 0.000
y 0.000 2.576 0.000
z 0.000 0.000 3.888


<r2> (average value of r2) Å2
<r2> 29.812
(<r2>)1/2 5.460