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

using model chemistry: PBE1PBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-311G**
 hartrees
Energy at 0K-132.497386
Energy at 298.15K-132.500178
HF Energy-132.497386
Nuclear repulsion energy63.450691
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 PBE1PBE/6-311G**
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 3235 1.87      
2 A' 3352 3216 27.41      
3 A' 1810 1737 5.27      
4 A' 1383 1327 13.09      
5 A' 1097 1052 4.30      
6 A' 915 877 28.08      
7 A' 581 557 84.79      
8 A" 3307 3173 15.51      
9 A" 1180 1132 42.71      
10 A" 980 940 15.08      
11 A" 781 749 6.16      
12 A" 589 565 6.40      

Unscaled Zero Point Vibrational Energy (zpe) 9672.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9280.0 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 PBE1PBE/6-311G**
ABC
1.06295 0.81839 0.48512

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G**

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 0.636
C3 -0.036 -0.474 -0.636
H4 0.935 1.222 0.000
H5 -0.127 -0.893 1.621
H6 -0.127 -0.893 -1.621

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.50711.50711.02512.41332.4133
C21.50711.27202.05491.07432.2974
C31.50711.27202.05492.29741.0743
H41.02512.05492.05492.86842.8684
H52.41331.07432.29742.86843.2420
H62.41332.29741.07432.86843.2420

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 65.039 N1 C2 H5 137.785
N1 C3 C2 65.039 N1 C3 H6 137.785
C2 N1 C3 49.923 C2 N1 H4 106.942
C2 C3 H6 156.473 C3 N1 H4 106.942
C3 C2 H5 156.473
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.355      
2 C -0.037      
3 C -0.037      
4 H 0.191      
5 H 0.118      
6 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.195 -1.630 0.000 2.021
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.427 2.316 0.000
y 2.316 -19.348 0.000
z 0.000 0.000 -14.048
Traceless
 xyz
x -1.729 2.316 0.000
y 2.316 -3.111 0.000
z 0.000 0.000 4.840
Polar
3z2-r29.679
x2-y20.921
xy2.316
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.585 0.365 0.000
y 0.365 3.844 0.000
z 0.000 0.000 4.672


<r2> (average value of r2) Å2
<r2> 33.188
(<r2>)1/2 5.761