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

using model chemistry: B2PLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31+G**
 hartrees
Energy at 0K-132.493718
Energy at 298.15K-132.496415
HF Energy-132.345687
Nuclear repulsion energy62.999500
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 B2PLYP/6-31+G**
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' 3396 3235 2.34      
2 A' 3374 3213 11.92      
3 A' 1776 1692 10.38      
4 A' 1356 1292 11.36      
5 A' 1073 1022 3.25      
6 A' 896 853 29.96      
7 A' 555 529 96.36      
8 A" 3338 3179 16.22      
9 A" 1161 1106 49.23      
10 A" 980 934 14.26      
11 A" 734 699 9.04      
12 A" 526 501 5.69      

Unscaled Zero Point Vibrational Energy (zpe) 9583.3 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 9127.1 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 B2PLYP/6-31+G**
ABC
1.05187 0.80293 0.47738

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.034 0.901 0.000
C2 -0.034 -0.479 0.641
C3 -0.034 -0.479 -0.641
H4 0.935 1.239 0.000
H5 -0.146 -0.898 1.623
H6 -0.146 -0.898 -1.623

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52161.52161.02572.42542.4254
C21.52161.28212.07351.07342.3051
C31.52161.28212.07352.30511.0734
H41.02572.07352.07352.89242.8924
H52.42541.07342.30512.89243.2459
H62.42542.30511.07342.89243.2459

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 65.084 N1 C2 H5 137.679
N1 C3 C2 65.084 N1 C3 H6 137.679
C2 N1 C3 49.833 C2 N1 H4 107.368
C2 C3 H6 156.171 C3 N1 H4 107.368
C3 C2 H5 156.171
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.421      
2 C -0.096      
3 C -0.096      
4 H 0.269      
5 H 0.172      
6 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.278 -1.777 0.000 2.189
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.013 2.751 0.000
y 2.751 -20.139 0.000
z 0.000 0.000 -14.567
Traceless
 xyz
x -1.660 2.751 0.000
y 2.751 -3.348 0.000
z 0.000 0.000 5.008
Polar
3z2-r210.017
x2-y21.126
xy2.751
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.110 0.138 0.000
y 0.138 4.487 0.000
z 0.000 0.000 4.924


<r2> (average value of r2) Å2
<r2> 33.904
(<r2>)1/2 5.823