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All results from a given calculation for CHNHCH (1H-Azirine)

using model chemistry: B2PLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-132.559497
Energy at 298.15K-132.562223
HF Energy-132.385174
Nuclear repulsion energy63.178991
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/cc-pVTZ
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' 3371 3234 1.62      
2 A' 3350 3214 18.53      
3 A' 1766 1695 7.67      
4 A' 1384 1328 14.51      
5 A' 1060 1017 2.08      
6 A' 889 853 27.01      
7 A' 563 540 74.33      
8 A" 3310 3176 14.53      
9 A" 1158 1111 40.07      
10 A" 985 945 17.49      
11 A" 759 728 4.85      
12 A" 533 511 3.50      

Unscaled Zero Point Vibrational Energy (zpe) 9563.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9175.5 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/cc-pVTZ
ABC
1.06386 0.80268 0.47967

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.037 0.903 0.000
C2 -0.037 -0.479 0.637
C3 -0.037 -0.479 -0.637
H4 0.933 1.228 0.000
H5 -0.120 -0.900 1.617
H6 -0.120 -0.900 -1.617

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52111.52111.02232.42302.4230
C21.52111.27322.06331.07002.2938
C31.52111.27322.06332.29381.0700
H41.02232.06332.06332.87222.8722
H52.42301.07002.29382.87223.2332
H62.42302.29381.07002.87223.2332

picture of 1H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 65.259 N1 C2 H5 137.821
N1 C3 C2 65.259 N1 C3 H6 137.821
C2 N1 C3 49.483 C2 N1 H4 106.786
C2 C3 H6 156.329 C3 N1 H4 106.786
C3 C2 H5 156.329
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.268      
2 C -0.083      
3 C -0.083      
4 H 0.136      
5 H 0.149      
6 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.114 -1.616 0.000 1.963
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.652 2.260 0.000
y 2.260 -19.522 0.000
z 0.000 0.000 -14.411
Traceless
 xyz
x -1.685 2.260 0.000
y 2.260 -2.990 0.000
z 0.000 0.000 4.676
Polar
3z2-r29.351
x2-y20.870
xy2.260
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.025 0.300 0.000
y 0.300 4.281 0.000
z 0.000 0.000 4.860


<r2> (average value of r2) Å2
<r2> 33.545
(<r2>)1/2 5.792