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All results from a given calculation for CHNCH2 (2H-Azirine)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G**
 hartrees
Energy at 0K-132.536494
Energy at 298.15K-132.539568
HF Energy-132.536494
Nuclear repulsion energy63.886448
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 HSEh1PBE/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' 3246 3097 2.24      
2 A' 3124 2982 22.52      
3 A' 1780 1699 9.41      
4 A' 1529 1459 0.04      
5 A' 1355 1293 7.16      
6 A' 1063 1014 0.05      
7 A' 1018 972 55.59      
8 A' 736 702 14.13      
9 A" 3213 3067 25.68      
10 A" 1128 1076 1.26      
11 A" 998 952 0.03      
12 A" 806 770 13.66      

Unscaled Zero Point Vibrational Energy (zpe) 9997.8 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 9540.9 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 HSEh1PBE/6-31G**
ABC
1.18940 0.75230 0.50835

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.862 -0.171 0.000
C2 0.000 0.743 0.000
C3 0.651 -0.529 0.000
H4 0.041 1.827 0.000
H5 1.044 -0.956 0.921
H6 1.044 -0.956 -0.921

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25611.55412.19232.25722.2572
C21.25611.42861.08472.19642.1964
C31.55411.42862.43351.08871.0887
H42.19231.08472.43353.09833.0983
H52.25722.19641.08873.09831.8420
H62.25722.19641.08873.09831.8420

picture of 2H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 70.408 N1 C2 H4 138.838
N1 C3 C2 49.592 N1 C3 H5 116.209
N1 C3 H6 116.209 C2 N1 C3 60.000
C2 C3 N1 49.592 C2 C3 H5 120.914
C2 C3 H6 120.914 C3 C2 H4 150.754
H5 C3 H6 115.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.320      
2 C 0.113      
3 C -0.230      
4 H 0.151      
5 H 0.143      
6 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.774 1.291 0.000 2.194
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.136 -1.332 0.000
y -1.332 -15.431 0.000
z 0.000 0.000 -17.191
Traceless
 xyz
x -3.826 -1.332 0.000
y -1.332 3.233 0.000
z 0.000 0.000 0.593
Polar
3z2-r21.185
x2-y2-4.706
xy-1.332
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.694 -0.521 0.000
y -0.521 4.226 0.000
z 0.000 0.000 2.584


<r2> (average value of r2) Å2
<r2> 32.959
(<r2>)1/2 5.741