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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-132.471683
Energy at 298.15K-132.474375
HF Energy-132.330738
Nuclear repulsion energy62.977932
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 B2PLYP/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' 3398 3225 1.13      
2 A' 3307 3139 40.87      
3 A' 1791 1700 4.78      
4 A' 1411 1339 12.79      
5 A' 1086 1031 1.57      
6 A' 900 855 20.37      
7 A' 552 524 70.61      
8 A" 3339 3170 7.87      
9 A" 1179 1119 39.31      
10 A" 980 930 15.42      
11 A" 719 682 6.02      
12 A" 538 511 2.79      

Unscaled Zero Point Vibrational Energy (zpe) 9599.1 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 9111.5 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 B2PLYP/6-31G*
ABC
1.05297 0.80111 0.47725

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.903 0.000
C2 -0.036 -0.479 0.640
C3 -0.036 -0.479 -0.640
H4 0.940 1.231 0.000
H5 -0.128 -0.900 1.625
H6 -0.128 -0.900 -1.625

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52301.52301.03022.42862.4286
C21.52301.27952.07101.07512.3052
C31.52301.27952.07102.30521.0751
H41.03022.07102.07102.88522.8852
H52.42861.07512.30522.88523.2498
H62.42862.30521.07512.88523.2498

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 65.163 N1 C2 H5 137.712
N1 C3 C2 65.163 N1 C3 H6 137.712
C2 N1 C3 49.674 C2 N1 H4 106.823
C2 C3 H6 156.400 C3 N1 H4 106.823
C3 C2 H5 156.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.552      
2 C -0.057      
3 C -0.057      
4 H 0.296      
5 H 0.185      
6 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.256 -1.739 0.000 2.145
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.229 2.302 0.000
y 2.302 -19.217 0.000
z 0.000 0.000 -14.203
Traceless
 xyz
x -1.519 2.302 0.000
y 2.302 -3.001 0.000
z 0.000 0.000 4.520
Polar
3z2-r29.040
x2-y20.988
xy2.302
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.210 0.420 0.000
y 0.420 3.608 0.000
z 0.000 0.000 4.419


<r2> (average value of r2) Å2
<r2> 33.485
(<r2>)1/2 5.787