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

using model chemistry: B2PLYP/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-132.512197
Energy at 298.15K-132.514934
HF Energy-132.346746
Nuclear repulsion energy63.121475
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/6-31G(2df,p)
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' 3397 3244 1.34      
2 A' 3351 3200 23.68      
3 A' 1777 1697 5.41      
4 A' 1395 1332 13.23      
5 A' 1074 1026 1.54      
6 A' 902 861 21.72      
7 A' 584 558 62.37      
8 A" 3335 3185 14.02      
9 A" 1165 1113 37.60      
10 A" 971 928 16.43      
11 A" 736 703 3.80      
12 A" 550 525 1.80      

Unscaled Zero Point Vibrational Energy (zpe) 9618.9 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 9186.1 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/6-31G(2df,p)
ABC
1.05878 0.80357 0.47911

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.038 0.902 0.000
C2 -0.038 -0.479 0.638
C3 -0.038 -0.479 -0.638
H4 0.936 1.225 0.000
H5 -0.109 -0.896 1.622
H6 -0.109 -0.896 -1.622

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52151.52151.02552.42262.4226
C21.52151.27552.06331.07122.2989
C31.52151.27552.06332.29891.0712
H41.02552.06332.06332.86672.8667
H52.42261.07122.29892.86673.2440
H62.42262.29891.07122.86673.2440

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 65.219 N1 C2 H5 137.588
N1 C3 C2 65.219 N1 C3 H6 137.588
C2 N1 C3 49.563 C2 N1 H4 106.585
C2 C3 H6 156.761 C3 N1 H4 106.585
C3 C2 H5 156.761
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.391      
2 C -0.098      
3 C -0.098      
4 H 0.229      
5 H 0.179      
6 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.146 -1.624 0.000 1.988
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.147 2.110 0.000
y 2.110 -19.051 0.000
z 0.000 0.000 -14.168
Traceless
 xyz
x -1.538 2.110 0.000
y 2.110 -2.893 0.000
z 0.000 0.000 4.431
Polar
3z2-r28.863
x2-y20.904
xy2.110
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.492 0.365 0.000
y 0.365 3.816 0.000
z 0.000 0.000 4.515


<r2> (average value of r2) Å2
<r2> 33.321
(<r2>)1/2 5.772