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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: B2PLYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-148.663759
Energy at 298.15K 
HF Energy-148.474059
Nuclear repulsion energy64.124357
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 B2PLYP/aug-cc-pVTZ
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 3163 3040 4.96      
2 A1 1657 1592 18.40      
3 A1 1503 1445 4.81      
4 A1 1020 981 5.18      
5 A2 995 956 0.00      
6 B1 3284 3156 7.63      
7 B1 1149 1104 3.70      
8 B2 1002 963 33.65      
9 B2 822 790 11.70      

Unscaled Zero Point Vibrational Energy (zpe) 7297.3 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 7012.7 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 B2PLYP/aug-cc-pVTZ
ABC
1.37344 0.79463 0.56218

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.808
N2 0.000 0.613 -0.539
N3 0.000 -0.613 -0.539
H4 0.932 0.000 1.348
H5 -0.932 0.000 1.348

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.48001.48001.07711.0771
N21.48001.22602.19202.1920
N31.48001.22602.19202.1920
H41.07712.19202.19201.8641
H51.07712.19202.19201.8641

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.533 C1 N3 N2 65.533
N2 C1 N3 48.935 N2 C1 H4 117.139
N2 C1 H5 117.139 N3 C1 H4 117.139
N3 C1 H5 117.139 H4 C1 H5 119.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.324      
2 N -0.190      
3 N -0.190      
4 H 0.352      
5 H 0.352      


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 1.737 1.737
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.110 0.000 -0.002
y 0.000 -20.062 0.000
z -0.002 0.000 -17.423
Traceless
 xyz
x 2.633 0.000 -0.002
y 0.000 -3.296 0.000
z -0.002 0.000 0.663
Polar
3z2-r21.326
x2-y23.952
xy0.000
xz-0.002
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.044 0.000 0.014
y 0.000 3.481 0.000
z 0.014 0.000 4.573


<r2> (average value of r2) Å2
<r2> 29.775
(<r2>)1/2 5.457