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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-148.723396
Energy at 298.15K-148.726265
HF Energy-148.723396
Nuclear repulsion energy64.029987
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/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 3144 3021 5.25      
2 A1 1743 1675 23.62      
3 A1 1513 1454 2.30      
4 A1 1062 1021 1.96      
5 A2 993 954 0.00      
6 B1 3260 3132 16.16      
7 B1 1153 1107 4.35      
8 B2 1014 975 34.02      
9 B2 847 813 14.37      

Unscaled Zero Point Vibrational Energy (zpe) 7364.5 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 7075.8 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/6-31G**
ABC
1.36908 0.79288 0.56079

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.807
N2 0.000 0.614 -0.540
N3 0.000 -0.614 -0.540
H4 0.934 0.000 1.358
H5 -0.934 0.000 1.358

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.47961.47961.08421.0842
N21.47961.22792.20202.2020
N31.47961.22792.20202.2020
H41.08422.20202.20201.8672
H51.08422.20202.20201.8672

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.484 C1 N3 N2 65.484
N2 C1 N3 49.032 N2 C1 H4 117.553
N2 C1 H5 117.553 N3 C1 H4 117.553
N3 C1 H5 117.553 H4 C1 H5 118.885
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.067      
2 N -0.101      
3 N -0.101      
4 H 0.134      
5 H 0.134      


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 1.679 1.679
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.774 0.000 0.000
y 0.000 -19.591 0.000
z 0.000 0.000 -16.960
Traceless
 xyz
x 2.502 0.000 0.000
y 0.000 -3.224 0.000
z 0.000 0.000 0.722
Polar
3z2-r21.444
x2-y23.817
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.354 0.000 0.000
y 0.000 2.548 0.000
z 0.000 0.000 3.867


<r2> (average value of r2) Å2
<r2> 29.581
(<r2>)1/2 5.439