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

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-131.783381
Energy at 298.15K-131.786383
HF Energy-131.783381
Nuclear repulsion energy64.171830
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 HF/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' 3612 3260 27.43      
2 A' 3545 3200 1.82      
3 A' 1954 1764 6.42      
4 A' 1485 1340 21.02      
5 A' 1194 1078 14.58      
6 A' 1008 910 27.91      
7 A' 690 623 90.22      
8 A" 3477 3138 16.52      
9 A" 1275 1151 50.32      
10 A" 1110 1002 14.58      
11 A" 892 806 8.96      
12 A" 712 643 6.43      

Unscaled Zero Point Vibrational Energy (zpe) 10476.6 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 9456.1 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 HF/6-31G**
ABC
1.08989 0.83567 0.49525

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.881 0.000
C2 -0.036 -0.470 0.628
C3 -0.036 -0.470 -0.628
H4 0.907 1.239 0.000
H5 -0.111 -0.882 1.607
H6 -0.111 -0.882 -1.607

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.48991.48991.00892.38642.3864
C21.48991.25592.05081.06452.2735
C31.48991.25592.05082.27351.0645
H41.00892.05082.05082.84902.8490
H52.38641.06452.27352.84903.2134
H62.38642.27351.06452.84903.2134

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 65.072 N1 C2 H5 137.593
N1 C3 C2 65.072 N1 C3 H6 137.593
C2 N1 C3 49.856 C2 N1 H4 108.792
C2 C3 H6 156.849 C3 N1 H4 108.792
C3 C2 H5 156.849
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.567      
2 C -0.032      
3 C -0.032      
4 H 0.257      
5 H 0.187      
6 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.329 -1.863 0.000 2.288
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.397 2.418 0.000
y 2.418 -19.302 0.000
z 0.000 0.000 -13.990
Traceless
 xyz
x -1.751 2.418 0.000
y 2.418 -3.109 0.000
z 0.000 0.000 4.860
Polar
3z2-r29.720
x2-y20.905
xy2.418
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.118 0.386 0.000
y 0.386 3.525 0.000
z 0.000 0.000 4.479


<r2> (average value of r2) Å2
<r2> 32.704
(<r2>)1/2 5.719