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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: HF/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/aug-cc-pVDZ
 hartrees
Energy at 0K-147.858383
Energy at 298.15K-147.861346
HF Energy-147.858383
Nuclear repulsion energy65.324968
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 HF/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3274 2982 12.77      
2 A1 1979 1802 42.92      
3 A1 1613 1469 3.72      
4 A1 1160 1056 5.75      
5 A2 1078 982 0.00      
6 B1 3389 3086 18.37      
7 B1 1229 1120 5.58      
8 B2 1155 1052 24.63      
9 B2 963 877 26.01      

Unscaled Zero Point Vibrational Energy (zpe) 7920.2 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 7212.2 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 HF/aug-cc-pVDZ
ABC
1.43793 0.81780 0.58396

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.791
N2 0.000 0.597 -0.531
N3 0.000 -0.597 -0.531
H4 0.928 0.000 1.344
H5 -0.928 0.000 1.344

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.45081.45081.07971.0797
N21.45081.19442.17522.1752
N31.45081.19442.17522.1752
H41.07972.17522.17521.8554
H51.07972.17522.17521.8554

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.693 C1 N3 N2 65.693
N2 C1 N3 48.615 N2 C1 H4 117.792
N2 C1 H5 117.792 N3 C1 H4 117.792
N3 C1 H5 117.792 H4 C1 H5 118.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.950      
2 N -0.338      
3 N -0.338      
4 H -0.137      
5 H -0.137      


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 1.873 1.873
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.096 0.000 0.000
y 0.000 -19.901 0.000
z 0.000 0.000 -17.445
Traceless
 xyz
x 2.577 0.000 0.000
y 0.000 -3.130 0.000
z 0.000 0.000 0.553
Polar
3z2-r21.106
x2-y23.805
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.842 0.000 0.000
y 0.000 3.267 0.000
z 0.000 0.000 4.360


<r2> (average value of r2) Å2
<r2> 29.155
(<r2>)1/2 5.400