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

using model chemistry: B3LYP/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-132.731665
Energy at 298.15K-132.734711
HF Energy-132.731665
Nuclear repulsion energy63.868187
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/aug-cc-pVTZ
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' 3191 3087 2.19      
2 A' 3096 2995 23.76      
3 A' 1740 1683 10.83      
4 A' 1511 1462 0.15      
5 A' 1302 1260 9.18      
6 A' 1056 1021 0.13      
7 A' 996 963 53.10      
8 A' 675 653 14.48      
9 A" 3181 3077 17.70      
10 A" 1114 1078 1.74      
11 A" 982 951 0.23      
12 A" 807 781 17.00      

Unscaled Zero Point Vibrational Energy (zpe) 9824.5 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 9505.2 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/aug-cc-pVTZ
ABC
1.20343 0.74279 0.50634

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.865 -0.160 0.000
C2 0.000 0.740 0.000
C3 0.656 -0.536 0.000
H4 0.043 1.820 0.000
H5 1.038 -0.961 0.920
H6 1.038 -0.961 -0.920

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.24841.56722.17852.26102.2610
C21.24841.43461.08122.19492.1949
C31.56721.43462.43461.08291.0829
H42.17851.08122.43463.09403.0940
H52.26102.19491.08293.09401.8394
H62.26102.19491.08293.09401.8394

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 71.097 N1 C2 H4 138.398
N1 C3 C2 48.903 N1 C3 H5 115.906
N1 C3 H6 115.906 C2 N1 C3 60.000
C2 C3 N1 48.903 C2 C3 H5 120.706
C2 C3 H6 120.706 C3 C2 H4 150.504
H5 C3 H6 116.258
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.382      
2 C -0.363      
3 C -0.242      
4 H 0.428      
5 H 0.280      
6 H 0.280      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.834 1.244 0.000 2.216
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.933 -1.300 0.000
y -1.300 -15.804 0.000
z 0.000 0.000 -17.670
Traceless
 xyz
x -4.197 -1.300 0.000
y -1.300 3.498 0.000
z 0.000 0.000 0.699
Polar
3z2-r21.398
x2-y2-5.130
xy-1.300
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.823 -0.425 0.000
y -0.425 4.899 0.000
z 0.000 0.000 3.532


<r2> (average value of r2) Å2
<r2> 33.349
(<r2>)1/2 5.775