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All results from a given calculation for CHNCH2 (2H-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-131.839146
Energy at 298.15K-131.842326
HF Energy-131.839146
Nuclear repulsion energy64.693738
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' 3423 3076 3.12      
2 A' 3282 2949 33.26      
3 A' 1935 1738 26.34      
4 A' 1668 1499 0.10      
5 A' 1463 1315 13.32      
6 A' 1181 1061 1.33      
7 A' 1123 1009 56.05      
8 A' 794 713 18.33      
9 A" 3362 3020 40.14      
10 A" 1224 1100 2.90      
11 A" 1085 975 0.02      
12 A" 894 803 13.09      

Unscaled Zero Point Vibrational Energy (zpe) 10716.7 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 9629.0 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
1.22954 0.76568 0.52040

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 -0.853 -0.160 0.000
C2 0.000 0.731 0.000
C3 0.642 -0.527 0.000
H4 0.053 1.803 0.000
H5 1.033 -0.954 0.909
H6 1.033 -0.954 -0.909

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.23341.54002.16182.23912.2391
C21.23341.41191.07332.17502.1750
C31.54001.41192.40261.07781.0778
H42.16181.07332.40263.06343.0634
H52.23912.17501.07783.06341.8187
H62.23912.17501.07783.06341.8187

picture of 2H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 70.839 N1 C2 H4 139.061
N1 C3 C2 49.161 N1 C3 H5 116.483
N1 C3 H6 116.483 C2 N1 C3 60.000
C2 C3 N1 49.161 C2 C3 H5 121.177
C2 C3 H6 121.177 C3 C2 H4 150.100
H5 C3 H6 115.069
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 -0.369      
2 C 0.079      
3 C -0.284      
4 H 0.216      
5 H 0.179      
6 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.067 1.419 0.000 2.507
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.572 -1.296 0.000
y -1.296 -15.567 0.000
z 0.000 0.000 -17.478
Traceless
 xyz
x -4.050 -1.296 0.000
y -1.296 3.458 0.000
z 0.000 0.000 0.592
Polar
3z2-r21.183
x2-y2-5.005
xy-1.296
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.658 -0.496 0.000
y -0.496 4.099 0.000
z 0.000 0.000 2.460


<r2> (average value of r2) Å2
<r2> 32.640
(<r2>)1/2 5.713