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

using model chemistry: BLYP/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 BLYP/cc-pVTZ
 hartrees
Energy at 0K-132.629685
Energy at 298.15K-132.632268
HF Energy-132.629685
Nuclear repulsion energy62.505663
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 BLYP/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' 3261 3252 0.73      
2 A' 3172 3163 36.20      
3 A' 1732 1727 7.17      
4 A' 1346 1342 11.87      
5 A' 1003 1000 0.48      
6 A' 835 832 21.52      
7 A' 537 535 68.22      
8 A" 3203 3193 7.11      
9 A" 1115 1111 37.54      
10 A" 933 930 19.79      
11 A" 720 718 3.62      
12 A" 446 445 2.58      

Unscaled Zero Point Vibrational Energy (zpe) 9151.1 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 9123.6 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 BLYP/cc-pVTZ
ABC
1.05322 0.77648 0.46881

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.038 0.919 0.000
C2 -0.038 -0.486 0.639
C3 -0.038 -0.486 -0.639
H4 0.947 1.238 0.000
H5 -0.116 -0.917 1.624
H6 -0.116 -0.917 -1.624

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.54411.54411.03482.45252.4525
C21.54411.27862.08601.07772.3055
C31.54411.27862.08602.30551.0777
H41.03482.08602.08602.90002.9000
H52.45251.07772.30552.90003.2486
H62.45252.30551.07772.90003.2486

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 65.542 N1 C2 H5 137.884
N1 C3 C2 65.542 N1 C3 H6 137.884
C2 N1 C3 48.915 C2 N1 H4 106.289
C2 C3 H6 156.063 C3 N1 H4 106.289
C3 C2 H5 156.063
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.264      
2 C -0.039      
3 C -0.039      
4 H 0.125      
5 H 0.109      
6 H 0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.078 -1.602 0.000 1.931
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.715 2.163 0.000
y 2.163 -19.568 0.000
z 0.000 0.000 -14.657
Traceless
 xyz
x -1.602 2.163 0.000
y 2.163 -2.882 0.000
z 0.000 0.000 4.484
Polar
3z2-r28.969
x2-y20.853
xy2.163
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.149 0.337 0.000
y 0.337 4.487 0.000
z 0.000 0.000 5.041


<r2> (average value of r2) Å2
<r2> 34.120
(<r2>)1/2 5.841