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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-132.608051
Energy at 298.15K-132.610807
HF Energy-132.608051
Nuclear repulsion energy63.232976
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 mPW1PW91/aug-cc-pVDZ
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' 3382 3241 2.22      
2 A' 3358 3218 16.23      
3 A' 1809 1734 9.97      
4 A' 1360 1303 12.62      
5 A' 1086 1040 8.14      
6 A' 908 870 27.75      
7 A' 556 533 81.45      
8 A" 3318 3180 16.91      
9 A" 1163 1114 40.93      
10 A" 972 932 16.95      
11 A" 743 712 4.86      
12 A" 584 560 5.37      

Unscaled Zero Point Vibrational Energy (zpe) 9619.5 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 9218.3 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 mPW1PW91/aug-cc-pVDZ
ABC
1.05287 0.81529 0.48174

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.893 0.000
C2 -0.036 -0.474 0.640
C3 -0.036 -0.474 -0.640
H4 0.932 1.237 0.000
H5 -0.128 -0.898 1.628
H6 -0.128 -0.898 -1.628

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.50971.50971.02692.42252.4225
C21.50971.27942.06721.07942.3089
C31.50971.27942.06722.30891.0794
H41.02692.06722.06722.88652.8865
H52.42251.07942.30892.88653.2560
H62.42252.30891.07942.88653.2560

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 64.930 N1 C2 H5 138.062
N1 C3 C2 64.930 N1 C3 H6 138.062
C2 N1 C3 50.140 C2 N1 H4 107.638
C2 C3 H6 156.294 C3 N1 H4 107.638
C3 C2 H5 156.294
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.436      
2 C 0.538      
3 C 0.538      
4 H 0.023      
5 H -0.332      
6 H -0.332      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.110 -1.576 0.000 1.928
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.828 2.413 0.000
y 2.413 -19.772 0.000
z 0.000 0.000 -14.241
Traceless
 xyz
x -1.822 2.413 0.000
y 2.413 -3.238 0.000
z 0.000 0.000 5.060
Polar
3z2-r210.119
x2-y20.944
xy2.413
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.739 0.154 0.000
y 0.154 4.940 0.000
z 0.000 0.000 5.226


<r2> (average value of r2) Å2
<r2> 33.566
(<r2>)1/2 5.794