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

using model chemistry: HF/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-131.789230
Energy at 298.15K-131.792228
HF Energy-131.789230
Nuclear repulsion energy64.176389
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/6-31+G**
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' 3638 3289 7.23      
2 A' 3546 3206 3.44      
3 A' 1937 1751 14.36      
4 A' 1461 1321 19.04      
5 A' 1185 1071 19.26      
6 A' 1004 908 37.27      
7 A' 688 622 123.57      
8 A" 3478 3145 23.02      
9 A" 1268 1147 56.89      
10 A" 1108 1002 14.60      
11 A" 894 808 11.47      
12 A" 708 640 9.27      

Unscaled Zero Point Vibrational Energy (zpe) 10456.3 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 9454.6 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 HF/6-31+G**
ABC
1.08755 0.83784 0.49527

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.035 0.879 0.000
C2 -0.035 -0.470 0.629
C3 -0.035 -0.470 -0.629
H4 0.903 1.247 0.000
H5 -0.120 -0.880 1.608
H6 -0.120 -0.880 -1.608

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.48821.48821.00712.38432.3843
C21.48821.25822.05451.06452.2758
C31.48821.25822.05452.27581.0645
H41.00712.05452.05452.85532.8553
H52.38431.06452.27582.85533.2157
H62.38432.27581.06452.85533.2157

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 64.994 N1 C2 H5 137.518
N1 C3 C2 64.994 N1 C3 H6 137.518
C2 N1 C3 50.011 C2 N1 H4 109.325
C2 C3 H6 156.844 C3 N1 H4 109.325
C3 C2 H5 156.844
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.436      
2 C -0.122      
3 C -0.122      
4 H 0.271      
5 H 0.204      
6 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.348 -1.849 0.000 2.288
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.018 2.781 0.000
y 2.781 -19.958 0.000
z 0.000 0.000 -14.188
Traceless
 xyz
x -1.945 2.781 0.000
y 2.781 -3.355 0.000
z 0.000 0.000 5.300
Polar
3z2-r210.600
x2-y20.940
xy2.781
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.931 0.164 0.000
y 0.164 4.145 0.000
z 0.000 0.000 4.839


<r2> (average value of r2) Å2
<r2> 33.012
(<r2>)1/2 5.746