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

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-132.509630
Energy at 298.15K-132.512272
HF Energy-132.509630
Nuclear repulsion energy62.811273
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 PBEPBE/cc-pVTZ
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' 3270 3247 0.97      
2 A' 3199 3177 33.09      
3 A' 1743 1731 6.23      
4 A' 1347 1337 12.03      
5 A' 1029 1022 1.68      
6 A' 860 854 23.62      
7 A' 537 533 69.33      
8 A" 3210 3188 9.35      
9 A" 1128 1120 37.97      
10 A" 929 923 18.40      
11 A" 722 717 3.73      
12 A" 502 499 3.59      

Unscaled Zero Point Vibrational Energy (zpe) 9237.2 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 9173.4 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 PBEPBE/cc-pVTZ
ABC
1.04983 0.79527 0.47486

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.037 0.907 0.000
C2 -0.037 -0.480 0.640
C3 -0.037 -0.480 -0.640
H4 0.947 1.229 0.000
H5 -0.119 -0.909 1.628
H6 -0.119 -0.909 -1.628

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52741.52741.03542.44042.4404
C21.52741.28032.07351.08052.3103
C31.52741.28032.07352.31031.0805
H41.03542.07352.07352.89142.8914
H52.44041.08052.31032.89143.2570
H62.44042.31031.08052.89143.2570

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 65.223 N1 C2 H5 138.052
N1 C3 C2 65.223 N1 C3 H6 138.052
C2 N1 C3 49.555 C2 N1 H4 106.424
C2 C3 H6 156.162 C3 N1 H4 106.424
C3 C2 H5 156.162
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.243      
2 C -0.055      
3 C -0.055      
4 H 0.123      
5 H 0.115      
6 H 0.115      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.075 -1.543 0.000 1.880
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.614 2.174 0.000
y 2.174 -19.448 0.000
z 0.000 0.000 -14.420
Traceless
 xyz
x -1.680 2.174 0.000
y 2.174 -2.931 0.000
z 0.000 0.000 4.611
Polar
3z2-r29.222
x2-y20.834
xy2.174
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.141 0.331 0.000
y 0.331 4.407 0.000
z 0.000 0.000 5.019


<r2> (average value of r2) Å2
<r2> 33.783
(<r2>)1/2 5.812