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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-132.471974
Energy at 298.15K-132.475018
HF Energy-132.471974
Nuclear repulsion energy63.003626
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 HSEh1PBE/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' 3312 3168 0.90      
2 A' 3176 3038 9.91      
3 A' 1703 1629 6.49      
4 A' 1544 1477 0.48      
5 A' 1293 1237 11.66      
6 A' 1081 1034 13.42      
7 A' 1017 973 57.86      
8 A' 669 640 8.71      
9 A" 3278 3135 21.74      
10 A" 1133 1084 0.87      
11 A" 987 944 0.00      
12 A" 814 778 26.32      

Unscaled Zero Point Vibrational Energy (zpe) 10003.2 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 9569.1 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 HSEh1PBE/6-31G
ABC
1.16563 0.72512 0.49154

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/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 0.920
H6 1.050 -0.969 -0.920

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27291.59152.20402.28332.2833
C21.27291.45851.07762.21772.2177
C31.59151.45852.45131.08401.0840
H42.20401.07762.45133.11053.1105
H52.28332.21771.08403.11051.8407
H62.28332.21771.08403.11051.8407

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 70.906 N1 C2 H4 139.176
N1 C3 C2 49.094 N1 C3 H5 115.864
N1 C3 H6 115.864 C2 N1 C3 60.000
C2 C3 N1 49.094 C2 C3 H5 120.729
C2 C3 H6 120.729 C3 C2 H4 149.918
H5 C3 H6 116.207
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.305      
2 C 0.054      
3 C -0.329      
4 H 0.202      
5 H 0.189      
6 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.966 1.334 0.000 2.376
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.690 -1.598 0.000
y -1.598 -15.622 0.000
z 0.000 0.000 -17.348
Traceless
 xyz
x -4.206 -1.598 0.000
y -1.598 3.397 0.000
z 0.000 0.000 0.808
Polar
3z2-r21.616
x2-y2-5.069
xy-1.598
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.779 -0.549 0.000
y -0.549 4.193 0.000
z 0.000 0.000 2.429


<r2> (average value of r2) Å2
<r2> 33.757
(<r2>)1/2 5.810