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

using model chemistry: HF/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-131.788954
Energy at 298.15K-131.791940
HF Energy-131.788954
Nuclear repulsion energy63.922651
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/cc-pVDZ
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' 3590 3260 21.96      
2 A' 3534 3209 2.01      
3 A' 1938 1760 7.57      
4 A' 1479 1343 17.99      
5 A' 1181 1073 12.97      
6 A' 992 901 29.74      
7 A' 674 612 84.90      
8 A" 3465 3146 22.88      
9 A" 1264 1148 46.63      
10 A" 1088 988 14.77      
11 A" 881 800 6.50      
12 A" 698 634 8.60      

Unscaled Zero Point Vibrational Energy (zpe) 10392.5 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 9436.4 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/cc-pVDZ
ABC
1.07797 0.83184 0.49189

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.037 0.884 0.000
C2 -0.037 -0.470 0.631
C3 -0.037 -0.470 -0.631
H4 0.915 1.232 0.000
H5 -0.106 -0.887 1.616
H6 -0.106 -0.887 -1.616

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.49411.49411.01362.39862.3986
C21.49411.26212.05001.07182.2865
C31.49411.26212.05002.28651.0718
H41.01362.05002.05002.85382.8538
H52.39861.07182.28652.85383.2323
H62.39862.28651.07182.85383.2323

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 65.016 N1 C2 H5 137.781
N1 C3 C2 65.016 N1 C3 H6 137.781
C2 N1 C3 49.968 C2 N1 H4 108.131
C2 C3 H6 156.794 C3 N1 H4 108.131
C3 C2 H5 156.794
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.269      
2 C 0.035      
3 C 0.035      
4 H 0.102      
5 H 0.049      
6 H 0.049      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.237 -1.706 0.000 2.107
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.575 2.243 0.000
y 2.243 -19.363 0.000
z 0.000 0.000 -13.990
Traceless
 xyz
x -1.898 2.243 0.000
y 2.243 -3.081 0.000
z 0.000 0.000 4.979
Polar
3z2-r29.959
x2-y20.788
xy2.243
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.281 0.364 0.000
y 0.364 3.597 0.000
z 0.000 0.000 4.621


<r2> (average value of r2) Å2
<r2> 32.915
(<r2>)1/2 5.737