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

using model chemistry: B1B95/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-132.584827
Energy at 298.15K-132.587588
HF Energy-132.584827
Nuclear repulsion energy63.348703
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 B1B95/aug-cc-pVDZ
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' 3383 3241 2.17      
2 A' 3365 3224 16.15      
3 A' 1811 1735 9.22      
4 A' 1356 1299 12.34      
5 A' 1090 1044 8.68      
6 A' 908 869 26.48      
7 A' 554 531 78.93      
8 A" 3319 3179 16.60      
9 A" 1162 1113 40.25      
10 A" 969 928 16.48      
11 A" 743 711 4.45      
12 A" 597 572 5.38      

Unscaled Zero Point Vibrational Energy (zpe) 9627.8 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 9222.4 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 B1B95/aug-cc-pVDZ
ABC
1.05477 0.81988 0.48367

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.891 0.000
C2 -0.036 -0.473 0.639
C3 -0.036 -0.473 -0.639
H4 0.931 1.234 0.000
H5 -0.127 -0.896 1.627
H6 -0.127 -0.896 -1.627

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.50581.50581.02552.41792.4179
C21.50581.27832.06301.07822.3068
C31.50581.27832.06302.30681.0782
H41.02552.06302.06302.88142.8814
H52.41791.07822.30682.88143.2533
H62.41792.30681.07822.88143.2533

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 64.884 N1 C2 H5 138.077
N1 C3 C2 64.884 N1 C3 H6 138.077
C2 N1 C3 50.232 C2 N1 H4 107.655
C2 C3 H6 156.324 C3 N1 H4 107.655
C3 C2 H5 156.324
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.392      
2 C 0.590      
3 C 0.590      
4 H -0.008      
5 H -0.390      
6 H -0.390      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.108 -1.564 0.000 1.916
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.789 2.388 0.000
y 2.388 -19.766 0.000
z 0.000 0.000 -14.268
Traceless
 xyz
x -1.772 2.388 0.000
y 2.388 -3.237 0.000
z 0.000 0.000 5.009
Polar
3z2-r210.018
x2-y20.977
xy2.388
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.716 0.163 0.000
y 0.163 4.924 0.000
z 0.000 0.000 5.221


<r2> (average value of r2) Å2
<r2> 33.478
(<r2>)1/2 5.786