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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-132.568446
Energy at 298.15K-132.571177
HF Energy-132.568446
Nuclear repulsion energy63.201696
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 B3PW91/6-31G*
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' 3378 3232 0.99      
2 A' 3282 3140 45.53      
3 A' 1816 1738 4.27      
4 A' 1405 1344 12.41      
5 A' 1097 1049 2.91      
6 A' 907 868 21.72      
7 A' 564 540 74.46      
8 A" 3317 3173 6.90      
9 A" 1185 1133 40.07      
10 A" 967 925 14.93      
11 A" 740 708 6.27      
12 A" 570 546 4.12      

Unscaled Zero Point Vibrational Energy (zpe) 9614.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 9197.7 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 B3PW91/6-31G*
ABC
1.05514 0.81172 0.48138

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.896 0.000
C2 -0.036 -0.476 0.638
C3 -0.036 -0.476 -0.638
H4 0.940 1.231 0.000
H5 -0.128 -0.896 1.626
H6 -0.128 -0.896 -1.626

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.51301.51301.03162.42132.4213
C21.51301.27692.06671.07732.3052
C31.51301.27692.06672.30521.0773
H41.03162.06672.06672.88182.8818
H52.42131.07732.30522.88183.2526
H62.42132.30521.07732.88183.2526

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 65.040 N1 C2 H5 137.755
N1 C3 C2 65.040 N1 C3 H6 137.755
C2 N1 C3 49.920 C2 N1 H4 107.107
C2 C3 H6 156.490 C3 N1 H4 107.107
C3 C2 H5 156.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.558      
2 C -0.067      
3 C -0.067      
4 H 0.303      
5 H 0.195      
6 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.255 -1.710 0.000 2.121
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.121 2.311 0.000
y 2.311 -19.072 0.000
z 0.000 0.000 -13.943
Traceless
 xyz
x -1.613 2.311 0.000
y 2.311 -3.040 0.000
z 0.000 0.000 4.653
Polar
3z2-r29.307
x2-y20.951
xy2.311
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.238 0.420 0.000
y 0.420 3.606 0.000
z 0.000 0.000 4.477


<r2> (average value of r2) Å2
<r2> 33.221
(<r2>)1/2 5.764