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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-147.908969
Energy at 298.15K-147.911821
HF Energy-147.908969
Nuclear repulsion energy64.102419
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 LSDA/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 3090 3032 2.82      
2 A1 1720 1687 15.85      
3 A1 1462 1435 3.24      
4 A1 1095 1075 0.97      
5 A2 969 951 0.00      
6 B1 3202 3142 9.42      
7 B1 1121 1100 3.11      
8 B2 992 973 37.52      
9 B2 836 820 20.75      

Unscaled Zero Point Vibrational Energy (zpe) 7243.0 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 7107.6 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 LSDA/6-31G*
ABC
1.35910 0.80134 0.56441

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.799
N2 0.000 0.616 -0.536
N3 0.000 -0.616 -0.536
H4 0.941 0.000 1.356
H5 -0.941 0.000 1.356

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.47041.47041.09401.0940
N21.47041.23142.20162.2016
N31.47041.23142.20162.2016
H41.09402.20162.20161.8828
H51.09402.20162.20161.8828

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.245 C1 N3 N2 65.245
N2 C1 N3 49.509 N2 C1 H4 117.555
N2 C1 H5 117.555 N3 C1 H4 117.555
N3 C1 H5 117.555 H4 C1 H5 118.752
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.249      
2 N -0.076      
3 N -0.076      
4 H 0.201      
5 H 0.201      


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 1.656 1.656
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.704 0.000 0.000
y 0.000 -19.665 0.000
z 0.000 0.000 -16.953
Traceless
 xyz
x 2.605 0.000 0.000
y 0.000 -3.336 0.000
z 0.000 0.000 0.731
Polar
3z2-r21.462
x2-y23.961
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.404 0.000 0.000
y 0.000 2.525 0.000
z 0.000 0.000 3.830


<r2> (average value of r2) Å2
<r2> 29.509
(<r2>)1/2 5.432