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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G**
 hartrees
Energy at 0K-132.460312
Energy at 298.15K-132.463085
HF Energy-132.460312
Nuclear repulsion energy63.353269
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/6-31G**
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' 3396 3237 1.34      
2 A' 3314 3159 41.74      
3 A' 1830 1744 4.11      
4 A' 1412 1346 12.80      
5 A' 1113 1061 3.84      
6 A' 918 875 22.19      
7 A' 572 545 75.72      
8 A" 3334 3177 9.06      
9 A" 1194 1138 40.64      
10 A" 975 929 14.63      
11 A" 751 716 6.20      
12 A" 596 568 4.69      

Unscaled Zero Point Vibrational Energy (zpe) 9701.9 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 9246.9 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/6-31G**
ABC
1.05693 0.81841 0.48396

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.892 0.000
C2 -0.036 -0.474 0.638
C3 -0.036 -0.474 -0.638
H4 0.937 1.229 0.000
H5 -0.127 -0.892 1.626
H6 -0.127 -0.892 -1.626

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.50721.50721.03002.41552.4155
C21.50721.27562.06231.07702.3040
C31.50721.27562.06232.30401.0770
H41.03002.06232.06232.87682.8768
H52.41551.07702.30402.87683.2520
H62.41552.30401.07702.87683.2520

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 64.965 N1 C2 H5 137.754
N1 C3 C2 64.965 N1 C3 H6 137.754
C2 N1 C3 50.071 C2 N1 H4 107.250
C2 C3 H6 156.571 C3 N1 H4 107.250
C3 C2 H5 156.571
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.563      
2 C -0.072      
3 C -0.072      
4 H 0.307      
5 H 0.200      
6 H 0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.258 -1.701 0.000 2.115
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.168 2.317 0.000
y 2.317 -19.118 0.000
z 0.000 0.000 -13.945
Traceless
 xyz
x -1.637 2.317 0.000
y 2.317 -3.061 0.000
z 0.000 0.000 4.698
Polar
3z2-r29.395
x2-y20.950
xy2.317
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.225 0.414 0.000
y 0.414 3.576 0.000
z 0.000 0.000 4.461


<r2> (average value of r2) Å2
<r2> 33.133
(<r2>)1/2 5.756