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

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-131.870471
Energy at 298.15K-131.873156
HF Energy-131.870471
Nuclear repulsion energy61.365005
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 B3LYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3383 3265 3.13      
2 A' 3083 2974 60.16      
3 A' 1757 1696 4.02      
4 A' 1404 1355 14.53      
5 A' 1001 966 3.59      
6 A' 813 785 9.03      
7 A' 626 605 94.14      
8 A" 3318 3202 11.38      
9 A" 1135 1095 33.45      
10 A" 972 938 19.13      
11 A" 801 773 4.43      
12 A" 469 452 3.02      

Unscaled Zero Point Vibrational Energy (zpe) 9380.8 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 9051.5 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 B3LYP/3-21G
ABC
1.05103 0.72023 0.44869

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.039 0.960 0.000
C2 -0.039 -0.505 0.641
C3 -0.039 -0.505 -0.641
H4 0.974 1.239 0.000
H5 -0.117 -0.949 1.612
H6 -0.117 -0.949 -1.612

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.59911.59911.05102.49952.4995
C21.59911.28232.11671.07022.2975
C31.59911.28232.11672.29751.0702
H41.05102.11672.11672.92882.9288
H52.49951.07022.29752.92883.2235
H62.49952.29751.07022.92883.2235

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 66.363 N1 C2 H5 138.042
N1 C3 C2 66.363 N1 C3 H6 138.042
C2 N1 C3 47.274 C2 N1 H4 104.094
C2 C3 H6 155.087 C3 N1 H4 104.094
C3 C2 H5 155.087
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.465      
2 C -0.104      
3 C -0.104      
4 H 0.254      
5 H 0.209      
6 H 0.209      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.368 -1.856 0.000 2.306
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.542 2.304 0.000
y 2.304 -19.129 0.000
z 0.000 0.000 -14.474
Traceless
 xyz
x -1.741 2.304 0.000
y 2.304 -2.621 0.000
z 0.000 0.000 4.362
Polar
3z2-r28.724
x2-y20.587
xy2.304
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.927 0.469 0.000
y 0.469 3.506 0.000
z 0.000 0.000 4.219


<r2> (average value of r2) Å2
<r2> 34.838
(<r2>)1/2 5.902