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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-132.628811
Energy at 298.15K-132.631865
HF Energy-132.628811
Nuclear repulsion energy63.749327
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 B3PW91/6-31G*
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' 3237 3097 4.35      
2 A' 3122 2987 24.36      
3 A' 1765 1689 9.21      
4 A' 1535 1469 0.06      
5 A' 1342 1284 7.37      
6 A' 1054 1009 0.09      
7 A' 1012 968 56.46      
8 A' 720 689 13.89      
9 A" 3207 3068 27.84      
10 A" 1130 1081 1.15      
11 A" 993 950 0.05      
12 A" 796 762 13.76      

Unscaled Zero Point Vibrational Energy (zpe) 9956.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 9525.3 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 B3PW91/6-31G*
ABC
1.18675 0.74766 0.50586

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.864 -0.170 0.000
C2 0.000 0.744 0.000
C3 0.653 -0.531 0.000
H4 0.038 1.830 0.000
H5 1.044 -0.960 0.922
H6 1.044 -0.960 -0.922

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25781.55942.19372.26152.2615
C21.25781.43261.08612.20132.2013
C31.55941.43262.43931.08971.0897
H42.19371.08612.43933.10583.1058
H52.26152.20131.08973.10581.8442
H62.26152.20131.08973.10581.8442

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 70.505 N1 C2 H4 138.634
N1 C3 C2 49.495 N1 C3 H5 116.098
N1 C3 H6 116.098 C2 N1 C3 60.000
C2 C3 N1 49.495 C2 C3 H5 120.954
C2 C3 H6 120.954 C3 C2 H4 150.861
H5 C3 H6 115.604
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.310      
2 C 0.076      
3 C -0.318      
4 H 0.190      
5 H 0.181      
6 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.772 1.280 0.000 2.186
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.121 -1.355 0.000
y -1.355 -15.404 0.000
z 0.000 0.000 -17.156
Traceless
 xyz
x -3.841 -1.355 0.000
y -1.355 3.235 0.000
z 0.000 0.000 0.606
Polar
3z2-r21.212
x2-y2-4.717
xy-1.355
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.681 -0.531 0.000
y -0.531 4.209 0.000
z 0.000 0.000 2.557


<r2> (average value of r2) Å2
<r2> 33.042
(<r2>)1/2 5.748