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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-148.581613
Energy at 298.15K-148.584463
HF Energy-148.581613
Nuclear repulsion energy63.127501
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 B1B95/6-31G
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 3219 3070 0.36      
2 A1 1625 1550 10.67      
3 A1 1514 1444 9.55      
4 A1 1014 967 2.72      
5 A2 988 942 0.00      
6 B1 3350 3195 11.01      
7 B1 1148 1095 2.69      
8 B2 1054 1005 63.46      
9 B2 801 764 8.43      

Unscaled Zero Point Vibrational Energy (zpe) 7356.7 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 7016.0 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 B1B95/6-31G
ABC
1.32992 0.77138 0.54319

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.823
N2 0.000 0.625 -0.548
N3 0.000 -0.625 -0.548
H4 0.931 0.000 1.365
H5 -0.931 0.000 1.365

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.50611.50611.07761.0776
N21.50611.24932.21742.2174
N31.50611.24932.21742.2174
H41.07762.21742.21741.8622
H51.07762.21742.21741.8622

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.496 C1 N3 N2 65.496
N2 C1 N3 49.008 N2 C1 H4 117.267
N2 C1 H5 117.267 N3 C1 H4 117.267
N3 C1 H5 117.267 H4 C1 H5 119.539
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.219      
2 N -0.095      
3 N -0.095      
4 H 0.204      
5 H 0.204      


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 1.997 1.997
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.816 0.000 0.000
y 0.000 -20.437 0.000
z 0.000 0.000 -17.153
Traceless
 xyz
x 2.980 0.000 0.000
y 0.000 -3.953 0.000
z 0.000 0.000 0.973
Polar
3z2-r21.947
x2-y24.622
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.181 0.000 0.000
y 0.000 2.574 0.000
z 0.000 0.000 3.946


<r2> (average value of r2) Å2
<r2> 30.305
(<r2>)1/2 5.505