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

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-132.618861
Energy at 298.15K-132.621564
HF Energy-132.618861
Nuclear repulsion energy62.999914
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 B3LYP/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3367 3233 0.87      
2 A' 3253 3124 51.81      
3 A' 1809 1737 4.54      
4 A' 1401 1346 11.05      
5 A' 1077 1035 2.05      
6 A' 896 860 19.52      
7 A' 563 540 67.04      
8 A" 3306 3175 6.33      
9 A" 1173 1127 38.03      
10 A" 968 929 15.62      
11 A" 734 704 5.87      
12 A" 542 520 2.75      

Unscaled Zero Point Vibrational Energy (zpe) 9543.7 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 9164.8 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 B3LYP/6-31G*
ABC
1.05555 0.80068 0.47767

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.037 0.903 0.000
C2 -0.037 -0.479 0.638
C3 -0.037 -0.479 -0.638
H4 0.941 1.235 0.000
H5 -0.123 -0.901 1.626
H6 -0.123 -0.901 -1.626

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52231.52231.03292.42972.4297
C21.52231.27662.07421.07702.3044
C31.52231.27662.07422.30441.0770
H41.03292.07422.07422.88742.8874
H52.42971.07702.30442.88743.2510
H62.42972.30441.07702.88743.2510

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 65.210 N1 C2 H5 137.717
N1 C3 C2 65.210 N1 C3 H6 137.717
C2 N1 C3 49.579 C2 N1 H4 106.971
C2 C3 H6 156.441 C3 N1 H4 106.971
C3 C2 H5 156.441
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.541      
2 C -0.039      
3 C -0.039      
4 H 0.287      
5 H 0.166      
6 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.240 -1.722 0.000 2.122
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.143 2.249 0.000
y 2.249 -19.122 0.000
z 0.000 0.000 -14.148
Traceless
 xyz
x -1.508 2.249 0.000
y 2.249 -2.977 0.000
z 0.000 0.000 4.485
Polar
3z2-r28.970
x2-y20.979
xy2.249
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.242 0.433 0.000
y 0.433 3.639 0.000
z 0.000 0.000 4.482


<r2> (average value of r2) Å2
<r2> 33.430
(<r2>)1/2 5.782