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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: PBEPBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-146.651423
Energy at 298.15K-146.654199
HF Energy-146.651423
Nuclear repulsion energy60.423737
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/STO-3G
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 3285 3001 9.08      
2 A1 1597 1459 0.26      
3 A1 1445 1321 0.21      
4 A1 1124 1027 0.67      
5 A2 987 902 0.00      
6 B1 3458 3159 0.11      
7 B1 1103 1008 4.24      
8 B2 1050 959 32.47      
9 B2 896 819 5.55      

Unscaled Zero Point Vibrational Energy (zpe) 7471.8 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 6826.2 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/STO-3G
ABC
1.15179 0.74521 0.50125

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.833
N2 0.000 0.677 -0.557
N3 0.000 -0.677 -0.557
H4 0.948 0.000 1.403
H5 -0.948 0.000 1.403

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.54621.54621.10651.1065
N21.54621.35332.28032.2803
N31.54621.35332.28032.2803
H41.10652.28032.28031.8969
H51.10652.28032.28031.8969

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 64.049 C1 N3 N2 64.049
N2 C1 N3 51.903 N2 C1 H4 117.587
N2 C1 H5 117.587 N3 C1 H4 117.587
N3 C1 H5 117.587 H4 C1 H5 118.001
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.092      
2 N -0.058      
3 N -0.058      
4 H 0.104      
5 H 0.104      


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 1.443 1.443
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.812 0.000 0.000
y 0.000 -18.559 0.000
z 0.000 0.000 -16.041
Traceless
 xyz
x 2.488 0.000 0.000
y 0.000 -3.132 0.000
z 0.000 0.000 0.644
Polar
3z2-r21.289
x2-y23.747
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.245 0.000 0.000
y 0.000 1.404 0.000
z 0.000 0.000 2.252


<r2> (average value of r2) Å2
<r2> 30.944
(<r2>)1/2 5.563