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

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-132.560560
Energy at 298.15K-132.563332
HF Energy-132.560560
Nuclear repulsion energy63.443504
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 B1B95/6-31G*
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' 3398 3226 1.12      
2 A' 3315 3147 42.55      
3 A' 1831 1739 4.03      
4 A' 1409 1338 12.65      
5 A' 1114 1057 4.03      
6 A' 918 871 21.06      
7 A' 575 546 72.01      
8 A" 3336 3166 7.97      
9 A" 1193 1132 39.98      
10 A" 975 926 14.10      
11 A" 755 716 5.97      
12 A" 603 573 4.26      

Unscaled Zero Point Vibrational Energy (zpe) 9710.5 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 9218.2 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 B1B95/6-31G*
ABC
1.06004 0.82062 0.48532

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.891 0.000
C2 -0.036 -0.473 0.637
C3 -0.036 -0.473 -0.637
H4 0.936 1.227 0.000
H5 -0.126 -0.891 1.623
H6 -0.126 -0.891 -1.623

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.50521.50521.02832.41192.4119
C21.50521.27382.05911.07502.3003
C31.50521.27382.05912.30031.0750
H41.02832.05912.05912.87182.8718
H52.41191.07502.30032.87183.2468
H62.41192.30031.07502.87183.2468

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 64.967 N1 C2 H5 137.757
N1 C3 C2 64.967 N1 C3 H6 137.757
C2 N1 C3 50.066 C2 N1 H4 107.223
C2 C3 H6 156.579 C3 N1 H4 107.223
C3 C2 H5 156.579
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.556      
2 C -0.060      
3 C -0.060      
4 H 0.300      
5 H 0.188      
6 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.252 -1.695 0.000 2.108
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.079 2.288 0.000
y 2.288 -19.056 0.000
z 0.000 0.000 -13.960
Traceless
 xyz
x -1.571 2.288 0.000
y 2.288 -3.037 0.000
z 0.000 0.000 4.607
Polar
3z2-r29.215
x2-y20.977
xy2.288
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.216 0.418 0.000
y 0.418 3.569 0.000
z 0.000 0.000 4.452


<r2> (average value of r2) Å2
<r2> 33.040
(<r2>)1/2 5.748