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All results from a given calculation for CHNCH2 (2H-Azirine)

using model chemistry: B3LYP/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 B3LYP/SDD
 hartrees
Energy at 0K-132.637178
Energy at 298.15K-132.640161
HF Energy-132.637178
Nuclear repulsion energy62.188371
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 B3LYP/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' 3275 3148 1.38      
2 A' 3147 3025 19.77      
3 A' 1647 1583 6.76      
4 A' 1504 1445 1.50      
5 A' 1240 1192 14.74      
6 A' 1052 1011 15.77      
7 A' 991 952 69.13      
8 A' 623 599 8.50      
9 A" 3262 3135 27.83      
10 A" 1099 1057 0.38      
11 A" 951 914 0.05      
12 A" 796 766 31.64      

Unscaled Zero Point Vibrational Energy (zpe) 9792.5 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 9413.5 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 B3LYP/SDD
ABC
1.14289 0.70138 0.47713

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.894 -0.162 0.000
C2 0.000 0.764 0.000
C3 0.681 -0.555 0.000
H4 0.058 1.843 0.000
H5 1.058 -0.981 0.926
H6 1.058 -0.981 -0.926

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.28751.62302.22052.31032.3103
C21.28751.48401.08112.24072.2407
C31.62301.48402.47761.08661.0866
H42.22051.08112.47763.13583.1358
H52.31032.24071.08663.13581.8512
H62.31032.24071.08663.13581.8512

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 71.290 N1 C2 H4 139.098
N1 C3 C2 48.710 N1 C3 H5 115.576
N1 C3 H6 115.576 C2 N1 C3 60.000
C2 C3 N1 48.710 C2 C3 H5 120.517
C2 C3 H6 120.517 C3 C2 H4 149.611
H5 C3 H6 116.821
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.113      
2 C -0.155      
3 C -0.431      
4 H 0.250      
5 H 0.224      
6 H 0.224      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.067 1.259 0.000 2.420
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.956 -1.781 0.000
y -1.781 -15.552 0.000
z 0.000 0.000 -17.352
Traceless
 xyz
x -4.504 -1.781 0.000
y -1.781 3.602 0.000
z 0.000 0.000 0.902
Polar
3z2-r21.804
x2-y2-5.404
xy-1.781
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.006 -0.540 0.000
y -0.540 4.267 0.000
z 0.000 0.000 2.390


<r2> (average value of r2) Å2
<r2> 34.401
(<r2>)1/2 5.865