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

using model chemistry: CCD/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 CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-132.428315
Energy at 298.15K-132.431397
HF Energy-131.887412
Nuclear repulsion energy63.887775
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/aug-cc-pVTZ
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' 3253 3113 0.32      
2 A' 3142 3007 18.76      
3 A' 1748 1673 9.15      
4 A' 1537 1470 0.28      
5 A' 1338 1280 7.92      
6 A' 1078 1031 0.17      
7 A' 1025 981 48.50      
8 A' 714 683 12.63      
9 A" 3233 3094 14.66      
10 A" 1127 1079 2.08      
11 A" 1005 962 0.42      
12 A" 811 776 17.34      

Unscaled Zero Point Vibrational Energy (zpe) 10004.9 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 9574.7 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 CCD/aug-cc-pVTZ
ABC
1.19569 0.74801 0.50735

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.864 -0.166 0.000
C2 0.000 0.742 0.000
C3 0.655 -0.532 0.000
H4 0.042 1.820 0.000
H5 1.036 -0.956 0.920
H6 1.036 -0.956 -0.920

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25331.56222.18292.25342.2534
C21.25331.43291.07872.19152.1915
C31.56221.43292.43081.08181.0818
H42.18291.07872.43083.08873.0887
H52.25342.19151.08183.08871.8391
H62.25342.19151.08183.08871.8391

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 70.759 N1 C2 H4 138.680
N1 C3 C2 49.241 N1 C3 H5 115.728
N1 C3 H6 115.728 C2 N1 C3 60.000
C2 C3 N1 49.241 C2 C3 H5 120.625
C2 C3 H6 120.625 C3 C2 H4 150.561
H5 C3 H6 116.427
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability