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

using model chemistry: B2PLYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-132.613405
Energy at 298.15K-132.616449
HF Energy-132.439908
Nuclear repulsion energy63.792907
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 B2PLYP/6-311+G(3df,2p)
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' 3228 3228 1.06      
2 A' 3123 3123 20.37      
3 A' 1701 1701 9.03      
4 A' 1520 1520 0.27      
5 A' 1303 1303 8.92      
6 A' 1058 1058 0.09      
7 A' 1002 1002 53.02      
8 A' 674 674 12.74      
9 A" 3215 3215 14.90      
10 A" 1121 1121 1.64      
11 A" 989 989 0.37      
12 A" 802 802 17.58      

Unscaled Zero Point Vibrational Energy (zpe) 9867.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9867.2 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 B2PLYP/6-311+G(3df,2p)
ABC
1.19420 0.74462 0.50550

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.865 -0.166 0.000
C2 0.000 0.743 0.000
C3 0.657 -0.534 0.000
H4 0.039 1.822 0.000
H5 1.036 -0.959 0.919
H6 1.036 -0.959 -0.919

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25461.56632.18322.25612.2561
C21.25461.43601.07922.19442.1944
C31.56631.43602.43511.08141.0814
H42.18321.07922.43513.09353.0935
H52.25612.19441.08143.09351.8387
H62.25612.19441.08143.09351.8387

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 70.834 N1 C2 H4 138.482
N1 C3 C2 49.166 N1 C3 H5 115.665
N1 C3 H6 115.665 C2 N1 C3 60.000
C2 C3 N1 49.166 C2 C3 H5 120.654
C2 C3 H6 120.654 C3 C2 H4 150.684
H5 C3 H6 116.446
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.611      
2 C 0.331      
3 C -0.227      
4 H 0.220      
5 H 0.143      
6 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.850 1.246 0.000 2.230
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.990 -1.375 0.000
y -1.375 -15.776 0.000
z 0.000 0.000 -17.723
Traceless
 xyz
x -4.241 -1.375 0.000
y -1.375 3.580 0.000
z 0.000 0.000 0.660
Polar
3z2-r21.321
x2-y2-5.214
xy-1.375
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.719 -0.395 0.000
y -0.395 4.752 0.000
z 0.000 0.000 3.428


<r2> (average value of r2) Å2
<r2> 33.386
(<r2>)1/2 5.778