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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: B3LYP/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 B3LYP/cc-pVTZ
 hartrees
Energy at 0K-148.773450
Energy at 298.15K-148.776311
HF Energy-148.773450
Nuclear repulsion energy64.296319
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/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 3131 3026 6.44      
2 A1 1734 1676 24.50      
3 A1 1499 1449 3.00      
4 A1 1026 992 4.38      
5 A2 987 954 0.00      
6 B1 3246 3138 11.76      
7 B1 1145 1107 3.66      
8 B2 1001 967 33.17      
9 B2 831 803 15.83      

Unscaled Zero Point Vibrational Energy (zpe) 7300.3 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 7056.4 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/cc-pVTZ
ABC
1.39354 0.79219 0.56426

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.809
N2 0.000 0.608 -0.540
N3 0.000 -0.608 -0.540
H4 0.932 0.000 1.353
H5 -0.932 0.000 1.353

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.47921.47921.07921.0792
N21.47921.21562.19572.1957
N31.47921.21562.19572.1957
H41.07922.19572.19571.8638
H51.07922.19572.19571.8638

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.739 C1 N3 N2 65.739
N2 C1 N3 48.522 N2 C1 H4 117.376
N2 C1 H5 117.376 N3 C1 H4 117.376
N3 C1 H5 117.376 H4 C1 H5 119.421
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.141      
2 N -0.027      
3 N -0.027      
4 H 0.098      
5 H 0.098      


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 1.659 1.659
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.934 0.000 0.000
y 0.000 -19.830 0.000
z 0.000 0.000 -17.185
Traceless
 xyz
x 2.574 0.000 0.000
y 0.000 -3.270 0.000
z 0.000 0.000 0.697
Polar
3z2-r21.393
x2-y23.896
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.664 0.000 0.000
y 0.000 3.005 0.000
z 0.000 0.000 4.228


<r2> (average value of r2) Å2
<r2> 29.599
(<r2>)1/2 5.440