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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-132.269990
Energy at 298.15K-132.273070
HF Energy-131.837222
Nuclear repulsion energy63.661542
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 MP3/6-31G*
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' 3298 3095 1.25      
2 A' 3178 2983 17.77      
3 A' 1795 1684 8.05      
4 A' 1570 1474 0.05      
5 A' 1365 1281 7.79      
6 A' 1090 1023 0.12      
7 A' 1043 979 50.45      
8 A' 735 690 11.45      
9 A" 3266 3066 24.06      
10 A" 1152 1081 1.62      
11 A" 1014 952 0.09      
12 A" 797 748 17.04      

Unscaled Zero Point Vibrational Energy (zpe) 10151.7 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 9528.4 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 MP3/6-31G*
ABC
1.18397 0.74498 0.50394

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.866 -0.169 0.000
C2 0.000 0.746 0.000
C3 0.655 -0.533 0.000
H4 0.045 1.828 0.000
H5 1.044 -0.961 0.920
H6 1.044 -0.961 -0.920

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25991.56422.19502.26322.2632
C21.25991.43641.08302.20232.2023
C31.56421.43642.43791.08711.0871
H42.19501.08302.43793.10203.1020
H52.26322.20231.08713.10201.8407
H62.26322.20231.08713.10201.8407

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 70.571 N1 C2 H4 138.955
N1 C3 C2 49.429 N1 C3 H5 116.054
N1 C3 H6 116.054 C2 N1 C3 60.000
C2 C3 N1 49.429 C2 C3 H5 120.928
C2 C3 H6 120.928 C3 C2 H4 150.474
H5 C3 H6 115.691
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability