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

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-131.717223
Energy at 298.15K-131.720193
HF Energy-131.717223
Nuclear repulsion energy62.862435
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 HF/LANL2DZ
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' 3648 3283 9.48      
2 A' 3609 3248 1.34      
3 A' 1869 1682 11.52      
4 A' 1439 1295 19.93      
5 A' 1114 1003 2.54      
6 A' 961 865 51.19      
7 A' 734 661 149.67      
8 A" 3540 3186 25.06      
9 A" 1249 1124 60.85      
10 A" 1116 1005 13.24      
11 A" 912 821 11.68      
12 A" 648 583 7.84      

Unscaled Zero Point Vibrational Energy (zpe) 10419.8 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 9376.8 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 HF/LANL2DZ
ABC
1.06740 0.78367 0.47156

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.035 0.909 0.000
C2 -0.035 -0.487 0.639
C3 -0.035 -0.487 -0.639
H4 0.896 1.304 0.000
H5 -0.119 -0.908 1.608
H6 -0.119 -0.908 -1.608

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.53571.53571.01062.42742.4274
C21.53571.27842.11751.05912.2874
C31.53571.27842.11752.28741.0591
H41.01062.11752.11752.91682.9168
H52.42741.05912.28742.91683.2152
H62.42742.28741.05912.91683.2152

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 65.402 N1 C2 H5 137.864
N1 C3 C2 65.402 N1 C3 H6 137.864
C2 N1 C3 49.195 C2 N1 H4 110.835
C2 C3 H6 156.111 C3 N1 H4 110.835
C3 C2 H5 156.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.526      
2 C -0.117      
3 C -0.117      
4 H 0.276      
5 H 0.242      
6 H 0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.588 -2.044 0.000 2.588
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.179 3.019 0.000
y 3.019 -19.959 0.000
z 0.000 0.000 -14.496
Traceless
 xyz
x -1.951 3.019 0.000
y 3.019 -3.122 0.000
z 0.000 0.000 5.073
Polar
3z2-r210.146
x2-y20.780
xy3.019
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.030 0.327 0.000
y 0.327 3.940 0.000
z 0.000 0.000 4.674


<r2> (average value of r2) Å2
<r2> 34.074
(<r2>)1/2 5.837