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

using model chemistry: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-131.875098
Energy at 298.15K-131.877715
HF Energy-131.875098
Nuclear repulsion energy63.160293
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 LSDA/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' 3292 3230 1.69      
2 A' 3173 3113 45.27      
3 A' 1786 1753 2.54      
4 A' 1356 1331 12.56      
5 A' 1080 1060 2.20      
6 A' 877 861 23.94      
7 A' 517 507 69.65      
8 A" 3231 3170 12.06      
9 A" 1153 1131 38.54      
10 A" 919 902 14.72      
11 A" 698 685 6.73      
12 A" 515 506 5.49      

Unscaled Zero Point Vibrational Energy (zpe) 9297.6 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 9123.7 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 LSDA/6-31G*
ABC
1.04532 0.81841 0.48216

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.035 0.891 0.000
C2 -0.035 -0.473 0.641
C3 -0.035 -0.473 -0.641
H4 0.950 1.230 0.000
H5 -0.141 -0.898 1.635
H6 -0.141 -0.898 -1.635

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.50641.50641.04202.42562.4256
C21.50641.28172.06901.08672.3179
C31.50641.28172.06902.31791.0867
H41.04202.06902.06902.89712.8971
H52.42561.08672.31792.89713.2705
H62.42562.31791.08672.89713.2705

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 64.824 N1 C2 H5 138.013
N1 C3 C2 64.824 N1 C3 H6 138.013
C2 N1 C3 50.352 C2 N1 H4 107.146
C2 C3 H6 156.221 C3 N1 H4 107.146
C3 C2 H5 156.221
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.541      
2 C -0.069      
3 C -0.069      
4 H 0.303      
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
  1.241 -1.637 0.000 2.054
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.151 2.330 0.000
y 2.330 -19.151 0.000
z 0.000 0.000 -14.016
Traceless
 xyz
x -1.567 2.330 0.000
y 2.330 -3.068 0.000
z 0.000 0.000 4.635
Polar
3z2-r29.270
x2-y21.000
xy2.330
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.300 0.457 0.000
y 0.457 3.603 0.000
z 0.000 0.000 4.528


<r2> (average value of r2) Å2
<r2> 33.285
(<r2>)1/2 5.769