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

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-132.455315
Energy at 298.15K-132.457915
HF Energy-132.455315
Nuclear repulsion energy62.596279
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 PBEPBEultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3289 3235 0.59      
2 A' 3136 3084 60.05      
3 A' 1761 1732 3.82      
4 A' 1370 1347 8.85      
5 A' 1053 1036 0.92      
6 A' 867 853 18.22      
7 A' 527 518 65.87      
8 A" 3230 3177 4.49      
9 A" 1144 1126 35.19      
10 A" 917 902 15.47      
11 A" 683 672 4.95      
12 A" 503 495 3.13      

Unscaled Zero Point Vibrational Energy (zpe) 9240.1 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 9087.6 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 PBEPBEultrafine/6-31G*
ABC
1.03713 0.79431 0.47236

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.037 0.907 0.000
C2 -0.037 -0.481 0.644
C3 -0.037 -0.481 -0.644
H4 0.956 1.230 0.000
H5 -0.129 -0.905 1.638
H6 -0.129 -0.905 -1.638

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52961.52961.04402.44482.4448
C21.52961.28772.08021.08542.3233
C31.52961.28772.08022.32331.0854
H41.04402.08022.08022.90232.9023
H52.44481.08542.32332.90233.2769
H62.44482.32331.08542.90233.2769

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 65.107 N1 C2 H5 137.784
N1 C3 C2 65.107 N1 C3 H6 137.784
C2 N1 C3 49.787 C2 N1 H4 106.326
C2 C3 H6 156.393 C3 N1 H4 106.326
C3 C2 H5 156.393
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.525      
2 C -0.051      
3 C -0.051      
4 H 0.286      
5 H 0.170      
6 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.202 -1.651 0.000 2.042
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.185 2.206 0.000
y 2.206 -19.122 0.000
z 0.000 0.000 -14.126
Traceless
 xyz
x -1.561 2.206 0.000
y 2.206 -2.966 0.000
z 0.000 0.000 4.528
Polar
3z2-r29.055
x2-y20.937
xy2.206
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.321 0.443 0.000
y 0.443 3.695 0.000
z 0.000 0.000 4.560


<r2> (average value of r2) Å2
<r2> 33.706
(<r2>)1/2 5.806