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All results from a given calculation for CHNHCH (1H-Azirine)

using model chemistry: PBE1PBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-132.512692
Energy at 298.15K-132.515492
HF Energy-132.512692
Nuclear repulsion energy63.620290
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 PBE1PBE/6-311+G(3df,2p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3377 3377 12.18      
2 A' 3364 3364 2.17      
3 A' 1808 1808 9.58      
4 A' 1372 1372 13.17      
5 A' 1092 1092 8.96      
6 A' 915 915 29.12      
7 A' 580 580 82.54      
8 A" 3301 3301 18.42      
9 A" 1172 1172 41.78      
10 A" 986 986 17.33      
11 A" 786 786 5.94      
12 A" 601 601 4.53      

Unscaled Zero Point Vibrational Energy (zpe) 9677.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9677.1 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 PBE1PBE/6-311+G(3df,2p)
ABC
1.06847 0.82350 0.48755

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.888 0.000
C2 -0.036 -0.472 0.634
C3 -0.036 -0.472 -0.634
H4 0.926 1.235 0.000
H5 -0.123 -0.892 1.618
H6 -0.123 -0.892 -1.618

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.50131.50131.02272.40762.4076
C21.50131.26902.06021.07332.2933
C31.50131.26902.06022.29331.0733
H41.02272.06022.06022.87172.8717
H52.40761.07332.29332.87173.2368
H62.40762.29331.07332.87173.2368

picture of 1H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 64.999 N1 C2 H5 137.897
N1 C3 C2 64.999 N1 C3 H6 137.897
C2 N1 C3 50.003 C2 N1 H4 107.921
C2 C3 H6 156.453 C3 N1 H4 107.921
C3 C2 H5 156.453
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.725      
2 C 0.095      
3 C 0.095      
4 H 0.164      
5 H 0.185      
6 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.127 -1.576 0.000 1.938
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.783 2.438 0.000
y 2.438 -19.743 0.000
z 0.000 0.000 -14.234
Traceless
 xyz
x -1.795 2.438 0.000
y 2.438 -3.234 0.000
z 0.000 0.000 5.029
Polar
3z2-r210.058
x2-y20.960
xy2.438
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.600 0.139 0.000
y 0.139 4.848 0.000
z 0.000 0.000 5.069


<r2> (average value of r2) Å2
<r2> 33.284
(<r2>)1/2 5.769