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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-132.514935
Energy at 298.15K-132.517928
HF Energy-132.514935
Nuclear repulsion energy63.176873
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 PBEPBEultrafine/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' 3148 3096 6.01      
2 A' 3046 2995 22.73      
3 A' 1696 1668 6.22      
4 A' 1487 1462 0.10      
5 A' 1290 1269 6.56      
6 A' 1008 991 0.72      
7 A' 968 952 52.81      
8 A' 687 675 12.50      
9 A" 3130 3078 27.08      
10 A" 1094 1076 0.91      
11 A" 958 943 0.10      
12 A" 761 748 12.89      

Unscaled Zero Point Vibrational Energy (zpe) 9635.8 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 9476.8 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 PBEPBEultrafine/6-31G*
ABC
1.16464 0.73478 0.49678

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.871 -0.173 0.000
C2 0.000 0.752 0.000
C3 0.660 -0.535 0.000
H4 0.034 1.846 0.000
H5 1.052 -0.967 0.930
H6 1.052 -0.967 -0.930

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27051.57362.21242.27922.2792
C21.27051.44611.09442.21942.2194
C31.57361.44612.46141.09751.0975
H42.21241.09442.46143.13243.1324
H52.27922.21941.09753.13241.8590
H62.27922.21941.09753.13241.8590

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 70.460 N1 C2 H4 138.498
N1 C3 C2 49.540 N1 C3 H5 115.993
N1 C3 H6 115.993 C2 N1 C3 60.000
C2 C3 N1 49.540 C2 C3 H5 120.895
C2 C3 H6 120.895 C3 C2 H4 151.042
H5 C3 H6 115.758
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.287      
2 C 0.081      
3 C -0.304      
4 H 0.170      
5 H 0.170      
6 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.655 1.226 0.000 2.059
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.108 -1.348 0.000
y -1.348 -15.550 0.000
z 0.000 0.000 -17.214
Traceless
 xyz
x -3.726 -1.348 0.000
y -1.348 3.111 0.000
z 0.000 0.000 0.615
Polar
3z2-r21.230
x2-y2-4.558
xy-1.348
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.720 -0.552 0.000
y -0.552 4.309 0.000
z 0.000 0.000 2.607


<r2> (average value of r2) Å2
<r2> 33.473
(<r2>)1/2 5.786