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

using model chemistry: CCD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-132.365225
Energy at 298.15K-132.368319
HF Energy-131.853278
Nuclear repulsion energy63.829492
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 CCD/6-31G(2df,p)
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' 3298 3124 0.25      
2 A' 3167 3000 15.24      
3 A' 1755 1663 8.02      
4 A' 1540 1459 0.01      
5 A' 1352 1281 7.98      
6 A' 1082 1025 0.06      
7 A' 1036 982 45.93      
8 A' 736 697 11.59      
9 A" 3260 3088 15.97      
10 A" 1138 1078 2.12      
11 A" 1013 959 0.19      
12 A" 822 778 13.21      

Unscaled Zero Point Vibrational Energy (zpe) 10099.6 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 9566.3 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 CCD/6-31G(2df,p)
ABC
1.18997 0.74888 0.50676

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.864 -0.169 0.000
C2 0.000 0.744 0.000
C3 0.654 -0.531 0.000
H4 0.042 1.822 0.000
H5 1.040 -0.956 0.920
H6 1.040 -0.956 -0.920

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25671.56042.18742.25602.2560
C21.25671.43291.07892.19472.1947
C31.56041.43292.43121.08431.0843
H42.18741.07892.43123.09153.0915
H52.25602.19471.08433.09151.8399
H62.25602.19471.08433.09151.8399

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 70.575 N1 C2 H4 138.835
N1 C3 C2 49.425 N1 C3 H5 115.920
N1 C3 H6 115.920 C2 N1 C3 60.000
C2 C3 N1 49.425 C2 C3 H5 120.733
C2 C3 H6 120.733 C3 C2 H4 150.589
H5 C3 H6 116.083
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability