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All results from a given calculation for CHNHCH (1H-Azirine)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G
 hartrees
Energy at 0K-132.001525
Energy at 298.15K-132.004080
HF Energy-131.693978
Nuclear repulsion energy61.116428
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 MP2=FULL/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' 3402 3233 2.14      
2 A' 3260 3097 39.38      
3 A' 1693 1609 4.17      
4 A' 1368 1300 15.66      
5 A' 1039 987 1.47      
6 A' 790 751 15.39      
7 A' 559 531 98.81      
8 A" 3343 3176 6.72      
9 A" 1134 1077 39.11      
10 A" 1022 971 19.52      
11 A" 698 663 6.64      
12 A" 414 393 1.47      

Unscaled Zero Point Vibrational Energy (zpe) 9360.5 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 8893.4 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 MP2=FULL/6-31G
ABC
1.02753 0.72503 0.44510

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.034 0.952 0.000
C2 -0.034 -0.504 0.652
C3 -0.034 -0.504 -0.652
H4 0.952 1.281 0.000
H5 -0.154 -0.948 1.625
H6 -0.154 -0.948 -1.625

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.59571.59571.03982.50262.5026
C21.59571.30352.14151.07582.3222
C31.59571.30352.14152.32221.0758
H41.03982.14152.14152.97162.9716
H52.50261.07582.32222.97163.2492
H62.50262.32221.07582.97163.2492

picture of 1H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 65.893 N1 C2 H5 138.204
N1 C3 C2 65.893 N1 C3 H6 138.204
C2 N1 C3 48.214 C2 N1 H4 106.791
C2 C3 H6 154.732 C3 N1 H4 106.791
C3 C2 H5 154.732
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability