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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-148.690784
Energy at 298.15K-148.693675
HF Energy-148.690784
Nuclear repulsion energy64.482775
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 mPW1PW91/6-31G(2df,p)
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 3159 3016 5.84      
2 A1 1775 1694 22.35      
3 A1 1506 1438 2.49      
4 A1 1096 1046 2.34      
5 A2 1005 959 0.00      
6 B1 3278 3130 11.12      
7 B1 1154 1102 4.09      
8 B2 1031 985 26.00      
9 B2 880 840 19.51      

Unscaled Zero Point Vibrational Energy (zpe) 7441.8 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 7104.7 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 mPW1PW91/6-31G(2df,p)
ABC
1.38659 0.80483 0.56958

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.799
N2 0.000 0.610 -0.535
N3 0.000 -0.610 -0.535
H4 0.933 0.000 1.349
H5 -0.933 0.000 1.349

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.46741.46741.08251.0825
N21.46741.21902.18902.1890
N31.46741.21902.18902.1890
H41.08252.18902.18901.8653
H51.08252.18902.18901.8653

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.457 C1 N3 N2 65.457
N2 C1 N3 49.086 N2 C1 H4 117.499
N2 C1 H5 117.499 N3 C1 H4 117.499
N3 C1 H5 117.499 H4 C1 H5 118.993
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.239      
2 N -0.042      
3 N -0.042      
4 H 0.162      
5 H 0.162      


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 1.621 1.621
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.653 0.000 0.000
y 0.000 -19.383 0.000
z 0.000 0.000 -16.802
Traceless
 xyz
x 2.440 0.000 0.000
y 0.000 -3.155 0.000
z 0.000 0.000 0.716
Polar
3z2-r21.431
x2-y23.730
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.530 0.000 0.000
y 0.000 2.693 0.000
z 0.000 0.000 3.899


<r2> (average value of r2) Å2
<r2> 29.219
(<r2>)1/2 5.405