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

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-132.373655
Energy at 298.15K-132.376295
HF Energy-132.269536
Nuclear repulsion energy61.704080
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 B2PLYP/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' 3418 3418 2.48      
2 A' 3245 3245 47.48      
3 A' 1740 1740 4.28      
4 A' 1377 1377 14.27      
5 A' 1024 1024 1.19      
6 A' 819 819 18.04      
7 A' 597 597 98.71      
8 A" 3356 3356 10.80      
9 A" 1144 1144 41.49      
10 A" 1001 1001 16.58      
11 A" 755 755 7.68      
12 A" 448 448 2.92      

Unscaled Zero Point Vibrational Energy (zpe) 9461.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9461.7 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 B2PLYP/6-31G
ABC
1.04166 0.74421 0.45459

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.035 0.938 0.000
C2 -0.035 -0.498 0.646
C3 -0.035 -0.498 -0.646
H4 0.946 1.277 0.000
H5 -0.138 -0.935 1.619
H6 -0.138 -0.935 -1.619

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.57491.57491.03772.47852.4785
C21.57491.29242.12811.07182.3096
C31.57491.29242.12812.30961.0718
H41.03772.12812.12812.94772.9477
H52.47851.07182.30962.94773.2386
H62.47852.30961.07182.94773.2386

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 65.775 N1 C2 H5 138.134
N1 C3 C2 65.775 N1 C3 H6 138.134
C2 N1 C3 48.451 C2 N1 H4 107.298
C2 C3 H6 155.217 C3 N1 H4 107.298
C3 C2 H5 155.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.528      
2 C -0.060      
3 C -0.060      
4 H 0.268      
5 H 0.190      
6 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.443 -1.974 0.000 2.445
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.587 2.695 0.000
y 2.695 -19.442 0.000
z 0.000 0.000 -14.627
Traceless
 xyz
x -1.552 2.695 0.000
y 2.695 -2.835 0.000
z 0.000 0.000 4.388
Polar
3z2-r28.775
x2-y20.855
xy2.695
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.134 0.458 0.000
y 0.458 3.775 0.000
z 0.000 0.000 4.380


<r2> (average value of r2) Å2
<r2> 34.691
(<r2>)1/2 5.890