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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-132.466560
Energy at 298.15K-132.469179
HF Energy-132.466560
Nuclear repulsion energy62.403444
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 PBEPBE/cc-pVDZ
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' 3280 3261 0.85      
2 A' 3131 3113 50.02      
3 A' 1751 1741 4.33      
4 A' 1338 1330 7.76      
5 A' 1035 1029 0.74      
6 A' 855 850 18.22      
7 A' 533 530 58.94      
8 A" 3218 3199 10.07      
9 A" 1125 1118 33.26      
10 A" 908 903 16.76      
11 A" 710 706 2.23      
12 A" 497 495 3.60      

Unscaled Zero Point Vibrational Energy (zpe) 9190.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 9137.0 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 PBEPBE/cc-pVDZ
ABC
1.02913 0.79043 0.46971

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.039 0.911 0.000
C2 -0.039 -0.481 0.646
C3 -0.039 -0.481 -0.646
H4 0.962 1.218 0.000
H5 -0.110 -0.912 1.645
H6 -0.110 -0.912 -1.645

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.53421.53421.04722.45652.4565
C21.53421.29202.07461.09062.3325
C31.53421.29202.07462.33251.0906
H41.04722.07462.07462.89692.8969
H52.45651.09062.33252.89693.2904
H62.45652.33251.09062.89693.2904

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 65.098 N1 C2 H5 138.109
N1 C3 C2 65.098 N1 C3 H6 138.109
C2 N1 C3 49.804 C2 N1 H4 105.407
C2 C3 H6 156.375 C3 N1 H4 105.407
C3 C2 H5 156.375
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.193      
2 C 0.046      
3 C 0.046      
4 H 0.094      
5 H 0.004      
6 H 0.004      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.111 -1.494 0.000 1.861
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.333 1.957 0.000
y 1.957 -19.132 0.000
z 0.000 0.000 -14.259
Traceless
 xyz
x -1.637 1.957 0.000
y 1.957 -2.836 0.000
z 0.000 0.000 4.473
Polar
3z2-r28.947
x2-y20.799
xy1.957
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.502 0.424 0.000
y 0.424 3.825 0.000
z 0.000 0.000 4.777


<r2> (average value of r2) Å2
<r2> 33.895
(<r2>)1/2 5.822