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

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-132.513452
Energy at 298.15K-132.516107
HF Energy-132.513452
Nuclear repulsion energy62.860434
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 PBEPBEultrafine/aug-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' 3269 3233 1.41      
2 A' 3213 3177 24.45      
3 A' 1741 1721 8.83      
4 A' 1333 1318 10.23      
5 A' 1026 1015 3.55      
6 A' 861 851 25.70      
7 A' 543 537 73.53      
8 A" 3208 3172 12.43      
9 A" 1122 1109 38.15      
10 A" 931 921 18.11      
11 A" 731 723 4.34      
12 A" 510 504 3.17      

Unscaled Zero Point Vibrational Energy (zpe) 9244.3 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 9140.8 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
1.05003 0.79789 0.47556

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.037 0.904 0.000
C2 -0.037 -0.480 0.640
C3 -0.037 -0.480 -0.640
H4 0.942 1.239 0.000
H5 -0.120 -0.906 1.629
H6 -0.120 -0.906 -1.629

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52481.52481.03432.43712.4371
C21.52481.28052.07851.08032.3107
C31.52481.28052.07852.31071.0803
H41.03432.07852.07852.89552.8955
H52.43711.08032.31072.89553.2582
H62.43712.31071.08032.89553.2582

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 65.172 N1 C2 H5 137.984
N1 C3 C2 65.172 N1 C3 H6 137.984
C2 N1 C3 49.655 C2 N1 H4 107.057
C2 C3 H6 156.258 C3 N1 H4 107.057
C3 C2 H5 156.258
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.279      
2 C -0.359      
3 C -0.359      
4 H 0.089      
5 H 0.454      
6 H 0.454      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.082 -1.551 0.000 1.891
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.959 2.346 0.000
y 2.346 -19.891 0.000
z 0.000 0.000 -14.573
Traceless
 xyz
x -1.727 2.346 0.000
y 2.346 -3.124 0.000
z 0.000 0.000 4.852
Polar
3z2-r29.704
x2-y20.931
xy2.346
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.980 0.146 0.000
y 0.146 5.271 0.000
z 0.000 0.000 5.414


<r2> (average value of r2) Å2
<r2> 33.953
(<r2>)1/2 5.827