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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-22.913151
Energy at 298.15K-22.916139
HF Energy-22.913151
Nuclear repulsion energy33.389728
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 B3LYP/CEP-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' 3190 3081 4.04      
2 A' 3105 2998 34.49      
3 A' 1716 1658 12.36      
4 A' 1495 1444 0.01      
5 A' 1304 1260 8.17      
6 A' 1021 986 1.32      
7 A' 981 947 73.61      
8 A' 658 635 13.04      
9 A" 3196 3087 37.25      
10 A" 1088 1051 0.68      
11 A" 958 926 0.01      
12 A" 774 747 27.16      

Unscaled Zero Point Vibrational Energy (zpe) 9743.6 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 9409.4 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 B3LYP/CEP-31G*
ABC
1.15715 0.71872 0.48834

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.880 -0.168 0.000
C2 0.000 0.756 0.000
C3 0.670 -0.543 0.000
H4 0.032 1.850 0.000
H5 1.054 -0.977 0.932
H6 1.054 -0.977 -0.932

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27581.59462.21472.29372.2937
C21.27581.46161.09502.23172.2317
C31.59461.46162.47711.09731.0973
H42.21471.09502.47713.14723.1472
H52.29372.23171.09733.14721.8643
H62.29372.23171.09733.14721.8643

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 70.889 N1 C2 H4 138.061
N1 C3 C2 49.111 N1 C3 H5 115.638
N1 C3 H6 115.638 C2 N1 C3 60.000
C2 C3 N1 49.111 C2 C3 H5 120.760
C2 C3 H6 120.760 C3 C2 H4 151.050
H5 C3 H6 116.315
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.012      
2 C -0.281      
3 C -0.401      
4 H 0.288      
5 H 0.191      
6 H 0.191      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.907 1.261 0.000 2.286
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.468 -1.520 0.000
y -1.520 -15.265 0.000
z 0.000 0.000 -17.162
Traceless
 xyz
x -4.254 -1.520 0.000
y -1.520 3.550 0.000
z 0.000 0.000 0.704
Polar
3z2-r21.408
x2-y2-5.203
xy-1.520
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.043 -0.554 0.000
y -0.554 4.362 0.000
z 0.000 0.000 2.480


<r2> (average value of r2) Å2
<r2> 29.576
(<r2>)1/2 5.438