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

using model chemistry: BLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/3-21G*
 hartrees
Energy at 0K-131.825188
Energy at 298.15K-131.827710
HF Energy-131.825188
Nuclear repulsion energy60.529562
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 BLYP/3-21G*
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' 3287 3266 1.57      
2 A' 2900 2881 87.36      
3 A' 1699 1688 3.84      
4 A' 1366 1357 10.26      
5 A' 963 957 3.90      
6 A' 771 766 6.11      
7 A' 585 581 82.72      
8 A" 3224 3203 5.41      
9 A" 1084 1077 28.55      
10 A" 918 912 21.91      
11 A" 740 735 2.05      
12 A" 395 392 2.01      

Unscaled Zero Point Vibrational Energy (zpe) 8966.0 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 8907.7 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 BLYP/3-21G*
ABC
1.03337 0.69264 0.43582

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.041 0.982 0.000
C2 -0.041 -0.515 0.646
C3 -0.041 -0.515 -0.646
H4 0.997 1.237 0.000
H5 -0.112 -0.966 1.623
H6 -0.112 -0.966 -1.623

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.62991.62991.06862.53612.5361
C21.62991.29232.13571.07812.3143
C31.62991.29232.13572.31431.0781
H41.06862.13572.13572.95222.9522
H52.53611.07812.31432.95223.2451
H62.53612.31431.07812.95223.2451

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 66.643 N1 C2 H5 138.032
N1 C3 C2 66.643 N1 C3 H6 138.032
C2 N1 C3 46.713 C2 N1 H4 102.650
C2 C3 H6 154.911 C3 N1 H4 102.650
C3 C2 H5 154.911
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.419      
2 C -0.092      
3 C -0.092      
4 H 0.236      
5 H 0.184      
6 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.284 -1.778 0.000 2.193
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.573 2.127 0.000
y 2.127 -19.054 0.000
z 0.000 0.000 -14.629
Traceless
 xyz
x -1.731 2.127 0.000
y 2.127 -2.453 0.000
z 0.000 0.000 4.184
Polar
3z2-r28.369
x2-y20.481
xy2.127
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.033 0.480 0.000
y 0.480 3.629 0.000
z 0.000 0.000 4.296


<r2> (average value of r2) Å2
<r2> 35.526
(<r2>)1/2 5.960