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

using model chemistry: HF/SDD

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/SDD
 hartrees
Energy at 0K-131.717603
Energy at 298.15K-131.720573
HF Energy-131.717603
Nuclear repulsion energy62.868518
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/SDD
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' 3648 3285 8.89      
2 A' 3609 3250 1.40      
3 A' 1868 1682 11.34      
4 A' 1439 1296 19.97      
5 A' 1114 1003 2.52      
6 A' 961 865 51.57      
7 A' 734 661 150.47      
8 A" 3539 3187 25.42      
9 A" 1249 1125 60.83      
10 A" 1117 1006 13.19      
11 A" 913 822 11.76      
12 A" 647 583 7.90      

Unscaled Zero Point Vibrational Energy (zpe) 10419.2 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 9381.5 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/SDD
ABC
1.06782 0.78366 0.47164

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.035 0.909 0.000
C2 -0.035 -0.488 0.639
C3 -0.035 -0.488 -0.639
H4 0.896 1.304 0.000
H5 -0.120 -0.908 1.607
H6 -0.120 -0.908 -1.607

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.53571.53571.01052.42712.4271
C21.53571.27812.11731.05912.2870
C31.53571.27812.11732.28701.0591
H41.01052.11732.11732.91652.9165
H52.42711.05912.28702.91653.2150
H62.42712.28701.05912.91653.2150

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 65.410 N1 C2 H5 137.835
N1 C3 C2 65.410 N1 C3 H6 137.835
C2 N1 C3 49.180 C2 N1 H4 110.827
C2 C3 H6 156.126 C3 N1 H4 110.827
C3 C2 H5 156.126
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.528      
2 C -0.116      
3 C -0.116      
4 H 0.278      
5 H 0.241      
6 H 0.241      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.580 -2.042 0.000 2.582
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.177 3.025 0.000
y 3.025 -19.955 0.000
z 0.000 0.000 -14.488
Traceless
 xyz
x -1.955 3.025 0.000
y 3.025 -3.123 0.000
z 0.000 0.000 5.078
Polar
3z2-r210.156
x2-y20.778
xy3.025
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.058 0.326 0.000
y 0.326 3.943 0.000
z 0.000 0.000 4.674


<r2> (average value of r2) Å2
<r2> 34.067
(<r2>)1/2 5.837