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All results from a given calculation for CHNCH2 (2H-Azirine)

using model chemistry: HF/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-131.854943
Energy at 298.15K-131.858132
HF Energy-131.854943
Nuclear repulsion energy64.761918
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(2df,p)
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' 3382 3062 2.36      
2 A' 3238 2932 31.93      
3 A' 1919 1737 24.72      
4 A' 1643 1488 0.01      
5 A' 1455 1318 13.75      
6 A' 1181 1069 0.04      
7 A' 1115 1010 55.01      
8 A' 796 721 19.29      
9 A" 3321 3007 32.90      
10 A" 1210 1096 2.86      
11 A" 1082 980 0.00      
12 A" 910 824 11.07      

Unscaled Zero Point Vibrational Energy (zpe) 10625.4 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 9621.3 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(2df,p)
ABC
1.23453 0.76579 0.52147

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.853 -0.158 0.000
C2 0.000 0.729 0.000
C3 0.642 -0.527 0.000
H4 0.054 1.800 0.000
H5 1.032 -0.953 0.910
H6 1.032 -0.953 -0.910

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.23021.53972.15802.23932.2393
C21.23021.41061.07282.17302.1730
C31.53971.41062.40071.07811.0781
H42.15801.07282.40073.06013.0601
H52.23932.17301.07813.06011.8209
H62.23932.17301.07813.06011.8209

picture of 2H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 70.951 N1 C2 H4 139.004
N1 C3 C2 49.048 N1 C3 H5 116.506
N1 C3 H6 116.506 C2 N1 C3 60.000
C2 C3 N1 49.048 C2 C3 H5 121.068
C2 C3 H6 121.068 C3 C2 H4 150.044
H5 C3 H6 115.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.191      
2 C -0.035      
3 C -0.260      
4 H 0.195      
5 H 0.146      
6 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.962 1.379 0.000 2.398
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.376 -1.214 0.000
y -1.214 -15.402 0.000
z 0.000 0.000 -17.369
Traceless
 xyz
x -3.991 -1.214 0.000
y -1.214 3.470 0.000
z 0.000 0.000 0.520
Polar
3z2-r21.040
x2-y2-4.974
xy-1.214
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.753 -0.480 0.000
y -0.480 4.152 0.000
z 0.000 0.000 2.699


<r2> (average value of r2) Å2
<r2> 32.506
(<r2>)1/2 5.701