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

using model chemistry: B3LYP/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 B3LYP/6-31+G**
 hartrees
Energy at 0K-132.690996
Energy at 298.15K-132.694031
HF Energy-132.690996
Nuclear repulsion energy63.560266
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/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' 3216 3101 2.16      
2 A' 3108 2997 22.07      
3 A' 1747 1684 12.14      
4 A' 1518 1464 0.07      
5 A' 1309 1262 8.22      
6 A' 1054 1016 0.04      
7 A' 1001 965 59.86      
8 A' 679 654 14.60      
9 A" 3197 3082 21.21      
10 A" 1116 1076 1.27      
11 A" 978 943 0.18      
12 A" 796 767 17.68      

Unscaled Zero Point Vibrational Energy (zpe) 9858.7 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 9505.8 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/6-31+G**
ABC
1.18711 0.73855 0.50180

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.868 -0.165 0.000
C2 0.000 0.745 0.000
C3 0.659 -0.536 0.000
H4 0.041 1.830 0.000
H5 1.043 -0.966 0.923
H6 1.043 -0.966 -0.923

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25781.57142.19192.26872.2687
C21.25781.44051.08512.20612.2061
C31.57141.44052.44471.08811.0881
H42.19191.08512.44473.10953.1095
H52.26872.20611.08813.10951.8452
H62.26872.20611.08813.10951.8452

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 70.868 N1 C2 H4 138.509
N1 C3 C2 49.132 N1 C3 H5 115.900
N1 C3 H6 115.900 C2 N1 C3 60.000
C2 C3 N1 49.132 C2 C3 H5 120.863
C2 C3 H6 120.863 C3 C2 H4 150.622
H5 C3 H6 115.971
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.222      
2 C 0.026      
3 C -0.252      
4 H 0.148      
5 H 0.150      
6 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.902 1.284 0.000 2.295
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.026 -1.418 0.000
y -1.418 -15.849 0.000
z 0.000 0.000 -17.707
Traceless
 xyz
x -4.248 -1.418 0.000
y -1.418 3.518 0.000
z 0.000 0.000 0.731
Polar
3z2-r21.461
x2-y2-5.177
xy-1.418
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.537 -0.449 0.000
y -0.449 4.642 0.000
z 0.000 0.000 3.095


<r2> (average value of r2) Å2
<r2> 33.583
(<r2>)1/2 5.795