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

using model chemistry: BLYP/6-31G**

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/6-31G**
 hartrees
Energy at 0K-132.577610
Energy at 298.15K-132.580171
HF Energy-132.577610
Nuclear repulsion energy62.231673
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/6-31G**
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' 3272 3247 0.51      
2 A' 3124 3100 63.90      
3 A' 1746 1732 4.50      
4 A' 1345 1335 8.07      
5 A' 1021 1013 0.46      
6 A' 844 838 15.00      
7 A' 531 527 57.29      
8 A" 3214 3189 4.57      
9 A" 1119 1110 33.76      
10 A" 923 916 16.40      
11 A" 687 682 3.71      
12 A" 455 452 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 9140.7 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 9070.3 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/6-31G**
ABC
1.03848 0.77379 0.46548

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.038 0.921 0.000
C2 -0.038 -0.487 0.644
C3 -0.038 -0.487 -0.644
H4 0.958 1.232 0.000
H5 -0.116 -0.916 1.635
H6 -0.116 -0.916 -1.635

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.54841.54841.04402.46072.4607
C21.54841.28742.08881.08282.3199
C31.54841.28742.08882.31991.0828
H41.04402.08882.08882.90562.9056
H52.46071.08282.31992.90563.2695
H62.46072.31991.08282.90563.2695

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 65.435 N1 C2 H5 137.817
N1 C3 C2 65.435 N1 C3 H6 137.817
C2 N1 C3 49.129 C2 N1 H4 105.711
C2 C3 H6 156.242 C3 N1 H4 105.711
C3 C2 H5 156.242
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.460      
2 C 0.023      
3 C 0.023      
4 H 0.216      
5 H 0.099      
6 H 0.099      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.180 -1.674 0.000 2.048
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.165 2.098 0.000
y 2.098 -19.100 0.000
z 0.000 0.000 -14.361
Traceless
 xyz
x -1.435 2.098 0.000
y 2.098 -2.837 0.000
z 0.000 0.000 4.272
Polar
3z2-r28.543
x2-y20.934
xy2.098
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.357 0.451 0.000
y 0.451 3.797 0.000
z 0.000 0.000 4.621


<r2> (average value of r2) Å2
<r2> 34.023
(<r2>)1/2 5.833