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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-132.612735
Energy at 298.15K-132.615486
HF Energy-132.612735
Nuclear repulsion energy63.440600
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 mPW1PW91/6-311G*
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' 3371 3217 0.48      
2 A' 3343 3191 39.72      
3 A' 1811 1729 5.66      
4 A' 1405 1341 13.88      
5 A' 1097 1047 3.91      
6 A' 908 866 28.51      
7 A' 562 536 89.18      
8 A" 3307 3156 7.22      
9 A" 1194 1140 43.73      
10 A" 968 923 15.40      
11 A" 751 717 6.76      
12 A" 575 549 6.82      

Unscaled Zero Point Vibrational Energy (zpe) 9645.5 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 9205.7 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 mPW1PW91/6-311G*
ABC
1.06448 0.81679 0.48472

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.035 0.893 0.000
C2 -0.035 -0.475 0.636
C3 -0.035 -0.475 -0.636
H4 0.932 1.230 0.000
H5 -0.135 -0.893 1.620
H6 -0.135 -0.893 -1.620

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.50791.50791.02422.41292.4129
C21.50791.27142.06061.07412.2963
C31.50791.27142.06062.29631.0741
H41.02422.06062.06062.87592.8759
H52.41291.07412.29632.87593.2400
H62.41292.29631.07412.87593.2400

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 65.066 N1 C2 H5 137.669
N1 C3 C2 65.066 N1 C3 H6 137.669
C2 N1 C3 49.867 C2 N1 H4 107.394
C2 C3 H6 156.403 C3 N1 H4 107.394
C3 C2 H5 156.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.483      
2 C -0.130      
3 C -0.130      
4 H 0.299      
5 H 0.223      
6 H 0.223      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.234 -1.662 0.000 2.070
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.458 2.432 0.000
y 2.432 -19.365 0.000
z 0.000 0.000 -13.980
Traceless
 xyz
x -1.786 2.432 0.000
y 2.432 -3.146 0.000
z 0.000 0.000 4.932
Polar
3z2-r29.863
x2-y20.907
xy2.432
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.526 0.369 0.000
y 0.369 3.801 0.000
z 0.000 0.000 4.598


<r2> (average value of r2) Å2
<r2> 33.201
(<r2>)1/2 5.762