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

using model chemistry: MP3=FULL/cc-pVDZ

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=FULL/cc-pVDZ
 hartrees
Energy at 0K-132.302880
Energy at 298.15K-132.305945
HF Energy-131.847492
Nuclear repulsion energy63.309258
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=FULL/cc-pVDZ
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' 3283 3087 0.75      
2 A' 3163 2974 17.23      
3 A' 1773 1668 7.83      
4 A' 1524 1433 0.06      
5 A' 1351 1270 8.19      
6 A' 1061 997 0.76      
7 A' 1015 954 48.19      
8 A' 710 668 9.71      
9 A" 3260 3065 22.15      
10 A" 1120 1053 2.09      
11 A" 993 933 0.25      
12 A" 796 749 16.50      

Unscaled Zero Point Vibrational Energy (zpe) 10023.6 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 9425.2 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=FULL/cc-pVDZ
ABC
1.17337 0.73516 0.49852

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.871 -0.168 0.000
C2 0.000 0.748 0.000
C3 0.659 -0.537 0.000
H4 0.044 1.839 0.000
H5 1.049 -0.965 0.929
H6 1.049 -0.965 -0.929

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26451.57432.20562.27762.2776
C21.26451.44451.09112.21372.2137
C31.57431.44452.45401.09501.0950
H42.20561.09112.45403.12013.1201
H52.27762.21371.09503.12011.8586
H62.27762.21371.09503.12011.8586

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 70.703 N1 C2 H4 138.761
N1 C3 C2 49.297 N1 C3 H5 115.973
N1 C3 H6 115.973 C2 N1 C3 60.000
C2 C3 N1 49.297 C2 C3 H5 120.691
C2 C3 H6 120.691 C3 C2 H4 150.536
H5 C3 H6 116.138
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability