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

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-131.811720
Energy at 298.15K-131.814728
HF Energy-131.811720
Nuclear repulsion energy64.179521
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/6-311G**
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' 3610 3279 18.78      
2 A' 3522 3200 1.86      
3 A' 1927 1750 8.52      
4 A' 1479 1344 18.91      
5 A' 1180 1072 13.92      
6 A' 1002 911 34.54      
7 A' 690 627 99.67      
8 A" 3451 3136 20.24      
9 A" 1269 1153 49.41      
10 A" 1106 1005 14.44      
11 A" 906 823 8.81      
12 A" 705 640 8.50      

Unscaled Zero Point Vibrational Energy (zpe) 10423.0 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 9469.3 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/6-311G**
ABC
1.09197 0.83413 0.49518

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.883 0.000
C2 -0.036 -0.471 0.627
C3 -0.036 -0.471 -0.627
H4 0.907 1.234 0.000
H5 -0.111 -0.881 1.606
H6 -0.111 -0.881 -1.606

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.49151.49151.00672.38652.3865
C21.49151.25432.04671.06392.2715
C31.49151.25432.04672.27151.0639
H41.00672.04672.04672.84432.8443
H52.38651.06392.27152.84433.2114
H62.38652.27151.06392.84433.2114

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 65.135 N1 C2 H5 137.481
N1 C3 C2 65.135 N1 C3 H6 137.481
C2 N1 C3 49.730 C2 N1 H4 108.461
C2 C3 H6 156.891 C3 N1 H4 108.461
C3 C2 H5 156.891
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.378      
2 C -0.016      
3 C -0.016      
4 H 0.178      
5 H 0.117      
6 H 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.264 -1.771 0.000 2.175
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.630 2.413 0.000
y 2.413 -19.486 0.000
z 0.000 0.000 -14.004
Traceless
 xyz
x -1.885 2.413 0.000
y 2.413 -3.169 0.000
z 0.000 0.000 5.054
Polar
3z2-r210.107
x2-y20.856
xy2.413
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.450 0.338 0.000
y 0.338 3.721 0.000
z 0.000 0.000 4.627


<r2> (average value of r2) Å2
<r2> 32.786
(<r2>)1/2 5.726