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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G
 hartrees
Energy at 0K-132.460936
Energy at 298.15K-132.463981
HF Energy-132.460936
Nuclear repulsion energy62.995080
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 PBE1PBE/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' 3314 3168 0.81      
2 A' 3178 3038 9.37      
3 A' 1703 1628 6.39      
4 A' 1544 1476 0.53      
5 A' 1295 1237 11.59      
6 A' 1081 1033 13.97      
7 A' 1018 973 57.94      
8 A' 672 643 8.74      
9 A" 3280 3135 20.78      
10 A" 1133 1083 0.86      
11 A" 988 944 0.00      
12 A" 814 778 26.92      

Unscaled Zero Point Vibrational Energy (zpe) 10009.1 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 9567.7 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 PBE1PBE/6-31G
ABC
1.16496 0.72511 0.49145

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.879 -0.166 0.000
C2 0.000 0.754 0.000
C3 0.667 -0.543 0.000
H4 0.054 1.831 0.000
H5 1.050 -0.969 0.921
H6 1.050 -0.969 -0.921

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27321.59152.20442.28332.2833
C21.27321.45871.07782.21782.2178
C31.59151.45872.45161.08421.0842
H42.20441.07782.45163.11073.1107
H52.28332.21781.08423.11071.8413
H62.28332.21781.08423.11071.8413

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 70.892 N1 C2 H4 139.179
N1 C3 C2 49.108 N1 C3 H5 115.854
N1 C3 H6 115.854 C2 N1 C3 60.000
C2 C3 N1 49.108 C2 C3 H5 120.713
C2 C3 H6 120.713 C3 C2 H4 149.929
H5 C3 H6 116.236
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.305      
2 C 0.052      
3 C -0.334      
4 H 0.205      
5 H 0.191      
6 H 0.191      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.970 1.337 0.000 2.381
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.699 -1.604 0.000
y -1.604 -15.615 0.000
z 0.000 0.000 -17.355
Traceless
 xyz
x -4.214 -1.604 0.000
y -1.604 3.412 0.000
z 0.000 0.000 0.802
Polar
3z2-r21.604
x2-y2-5.084
xy-1.604
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.779 -0.547 0.000
y -0.547 4.188 0.000
z 0.000 0.000 2.428


<r2> (average value of r2) Å2
<r2> 33.763
(<r2>)1/2 5.811