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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-132.448215
Energy at 298.15K-132.444139
HF Energy-131.839713
Nuclear repulsion energy64.770596
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 CBS-Q
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' 3419 3419 0.93      
2 A' 3258 3258 37.74      
3 A' 1952 1952 26.51      
4 A' 1652 1652 0.46      
5 A' 1387 1387 13.52      
6 A' 1152 1152 8.20      
7 A' 1116 1116 42.99      
8 A' 850 850 22.65      
9 A" 3341 3341 41.19      
10 A" 1222 1222 3.46      
11 A" 1089 1089 0.06      
12 A" 886 886 13.32      

Unscaled Zero Point Vibrational Energy (zpe) 10661.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10661.7 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 CBS-Q
ABC
1.16175 0.73948 0.49803

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.830 -0.156 0.000
C2 0.000 0.751 0.000
C3 0.624 -0.548 0.000
H4 0.041 1.825 0.000
H5 1.012 -0.978 0.912
H6 1.012 -0.978 -0.912

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.22921.50522.16412.21382.2138
C21.22921.44071.07502.20152.2015
C31.50521.44072.44351.08101.0810
H42.16411.07502.44353.10403.1040
H52.21382.20151.08103.10401.8246
H62.21382.20151.08103.10401.8246

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 68.100 N1 C2 H4 139.722
N1 C3 C2 49.266 N1 C3 H5 116.794
N1 C3 H6 116.794 C2 N1 C3 62.634
C2 C3 N1 49.266 C2 C3 H5 120.965
C2 C3 H6 120.965 C3 C2 H4 152.178
H5 C3 H6 115.117
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability