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

using model chemistry: B2PLYP/6-311G**

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/6-311G**
 hartrees
Energy at 0K-132.579153
Energy at 298.15K-132.582196
HF Energy-132.425618
Nuclear repulsion energy63.603688
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/6-311G**
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' 3231 3231 2.02      
2 A' 3124 3124 21.00      
3 A' 1703 1703 7.82      
4 A' 1521 1521 0.10      
5 A' 1307 1307 10.27      
6 A' 1052 1052 0.08      
7 A' 1001 1001 58.17      
8 A' 674 674 11.47      
9 A" 3217 3217 22.92      
10 A" 1122 1122 1.55      
11 A" 988 988 0.33      
12 A" 802 802 16.77      

Unscaled Zero Point Vibrational Energy (zpe) 9871.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9871.3 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 B2PLYP/6-311G**
ABC
1.18738 0.74002 0.50242

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.868 -0.166 0.000
C2 0.000 0.745 0.000
C3 0.659 -0.536 0.000
H4 0.040 1.826 0.000
H5 1.039 -0.962 0.922
H6 1.039 -0.962 -0.922

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25841.57142.18882.26282.2628
C21.25841.44061.08132.20082.2008
C31.57141.44062.44141.08421.0842
H42.18881.08132.44143.10163.1016
H52.26282.20081.08423.10161.8433
H62.26282.20081.08423.10161.8433

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 70.846 N1 C2 H4 138.495
N1 C3 C2 49.154 N1 C3 H5 115.663
N1 C3 H6 115.663 C2 N1 C3 60.000
C2 C3 N1 49.154 C2 C3 H5 120.656
C2 C3 H6 120.656 C3 C2 H4 150.659
H5 C3 H6 116.447
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.212      
2 C 0.040      
3 C -0.193      
4 H 0.117      
5 H 0.124      
6 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.756 1.266 0.000 2.165
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.586 -1.375 0.000
y -1.375 -15.749 0.000
z 0.000 0.000 -17.482
Traceless
 xyz
x -3.970 -1.375 0.000
y -1.375 3.285 0.000
z 0.000 0.000 0.685
Polar
3z2-r21.370
x2-y2-4.837
xy-1.375
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.951 -0.522 0.000
y -0.522 4.380 0.000
z 0.000 0.000 2.775


<r2> (average value of r2) Å2
<r2> 33.377
(<r2>)1/2 5.777