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All results from a given calculation for CHNCH2 (2H-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-132.544278
Energy at 298.15K-132.547327
HF Energy-132.397631
Nuclear repulsion energy63.564492
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
4/u)
Dep P Dep U
1 A' 3264 3264 2.50      
2 A' 3153 3153 20.24      
3 A' 1721 1721 8.46      
4 A' 1545 1545 0.08      
5 A' 1326 1326 8.67      
6 A' 1066 1066 0.04      
7 A' 1016 1016 49.26      
8 A' 689 689 10.74      
9 A" 3246 3246 25.05      
10 A" 1133 1133 1.40      
11 A" 996 996 0.11      
12 A" 797 797 12.88      

Unscaled Zero Point Vibrational Energy (zpe) 9975.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9975.8 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 B2PLYP/6-31G**
ABC
1.17990 0.74280 0.50212

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 -0.868 -0.170 0.000
C2 0.000 0.748 0.000
C3 0.658 -0.533 0.000
H4 0.042 1.828 0.000
H5 1.043 -0.961 0.920
H6 1.043 -0.961 -0.920

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26321.56792.19602.26292.2629
C21.26321.43991.08142.20252.2025
C31.56791.43992.44031.08481.0848
H42.19601.08142.44033.10213.1021
H52.26292.20251.08483.10211.8393
H62.26292.20251.08483.10211.8393

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 70.561 N1 C2 H4 138.863
N1 C3 C2 49.439 N1 C3 H5 115.900
N1 C3 H6 115.900 C2 N1 C3 60.000
C2 C3 N1 49.439 C2 C3 H5 120.834
C2 C3 H6 120.834 C3 C2 H4 150.576
H5 C3 H6 115.942
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 -0.314      
2 C 0.118      
3 C -0.184      
4 H 0.135      
5 H 0.123      
6 H 0.123      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.782 1.268 0.000 2.188
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.272 -1.327 0.000
y -1.327 -15.625 0.000
z 0.000 0.000 -17.305
Traceless
 xyz
x -3.807 -1.327 0.000
y -1.327 3.164 0.000
z 0.000 0.000 0.643
Polar
3z2-r21.286
x2-y2-4.647
xy-1.327
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.672 -0.535 0.000
y -0.535 4.208 0.000
z 0.000 0.000 2.553


<r2> (average value of r2) Å2
<r2> 33.261
(<r2>)1/2 5.767