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

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-131.700224
Energy at 298.15K-131.703217
HF Energy-131.700224
Nuclear repulsion energy63.193763
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/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' 3608 3257 17.56      
2 A' 3600 3251 1.25      
3 A' 1901 1716 5.98      
4 A' 1465 1323 20.92      
5 A' 1117 1009 2.01      
6 A' 949 857 36.74      
7 A' 748 675 145.33      
8 A" 3531 3188 25.58      
9 A" 1265 1142 54.85      
10 A" 1130 1020 14.24      
11 A" 950 858 15.02      
12 A" 651 588 7.21      

Unscaled Zero Point Vibrational Energy (zpe) 10457.0 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 9441.6 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/6-31G
ABC
1.08159 0.79047 0.47688

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.034 0.905 0.000
C2 -0.034 -0.484 0.634
C3 -0.034 -0.484 -0.634
H4 0.897 1.294 0.000
H5 -0.121 -0.909 1.599
H6 -0.121 -0.909 -1.599

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52731.52731.00952.42022.4202
C21.52731.26822.10541.05822.2751
C31.52731.26822.10542.27511.0582
H41.00952.10542.10542.90672.9067
H52.42021.05822.27512.90673.1987
H62.42022.27511.05822.90673.1987

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 65.471 N1 C2 H5 138.074
N1 C3 C2 65.471 N1 C3 H6 138.074
C2 N1 C3 49.058 C2 N1 H4 110.517
C2 C3 H6 155.808 C3 N1 H4 110.517
C3 C2 H5 155.808
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.627      
2 C -0.091      
3 C -0.091      
4 H 0.302      
5 H 0.253      
6 H 0.253      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.572 -2.128 0.000 2.645
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.791 2.925 0.000
y 2.925 -19.570 0.000
z 0.000 0.000 -14.398
Traceless
 xyz
x -1.807 2.925 0.000
y 2.925 -2.976 0.000
z 0.000 0.000 4.782
Polar
3z2-r29.564
x2-y20.779
xy2.925
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.936 0.417 0.000
y 0.417 3.644 0.000
z 0.000 0.000 4.447


<r2> (average value of r2) Å2
<r2> 33.660
(<r2>)1/2 5.802