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

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-131.834086
Energy at 298.15K-131.837088
HF Energy-131.834086
Nuclear repulsion energy64.337526
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/Def2TZVPP
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' 3619 3280 10.40      
2 A' 3519 3189 2.72      
3 A' 1926 1746 12.87      
4 A' 1474 1336 19.48      
5 A' 1173 1064 16.04      
6 A' 1000 907 38.26      
7 A' 687 622 99.82      
8 A" 3451 3128 20.92      
9 A" 1262 1144 47.42      
10 A" 1113 1009 17.23      
11 A" 907 823 9.26      
12 A" 704 638 6.07      

Unscaled Zero Point Vibrational Energy (zpe) 10417.6 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 9442.5 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/Def2TZVPP
ABC
1.09805 0.83807 0.49745

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.880 0.000
C2 -0.036 -0.470 0.625
C3 -0.036 -0.470 -0.625
H4 0.901 1.241 0.000
H5 -0.110 -0.881 1.602
H6 -0.110 -0.881 -1.602

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.48701.48701.00412.38162.3816
C21.48701.25102.04821.06232.2664
C31.48701.25102.04822.26641.0623
H41.00412.04822.04822.84452.8445
H52.38161.06232.26642.84453.2041
H62.38162.26641.06232.84453.2041

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 65.126 N1 C2 H5 137.573
N1 C3 C2 65.126 N1 C3 H6 137.573
C2 N1 C3 49.748 C2 N1 H4 109.064
C2 C3 H6 156.824 C3 N1 H4 109.064
C3 C2 H5 156.824
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.402      
2 C -0.056      
3 C -0.056      
4 H 0.153      
5 H 0.180      
6 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.196 -1.709 0.000 2.086
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.803 2.459 0.000
y 2.459 -19.625 0.000
z 0.000 0.000 -14.083
Traceless
 xyz
x -1.950 2.459 0.000
y 2.459 -3.182 0.000
z 0.000 0.000 5.131
Polar
3z2-r210.262
x2-y20.821
xy2.459
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.081 0.243 0.000
y 0.243 4.208 0.000
z 0.000 0.000 4.856


<r2> (average value of r2) Å2
<r2> 32.774
(<r2>)1/2 5.725