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

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-132.630232
Energy at 298.15K-132.633198
HF Energy-132.630232
Nuclear repulsion energy62.926737
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 BLYP/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' 3122 3097 9.57      
2 A' 3034 3009 24.26      
3 A' 1679 1665 7.34      
4 A' 1491 1479 0.20      
5 A' 1261 1251 8.20      
6 A' 1007 999 0.93      
7 A' 958 951 46.56      
8 A' 646 641 11.59      
9 A" 3116 3090 31.01      
10 A" 1093 1084 1.06      
11 A" 949 942 0.10      
12 A" 759 753 10.73      

Unscaled Zero Point Vibrational Energy (zpe) 9556.8 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 9479.4 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 BLYP/6-31G*
ABC
1.16527 0.72296 0.49142

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.878 -0.166 0.000
C2 0.000 0.753 0.000
C3 0.666 -0.542 0.000
H4 0.039 1.846 0.000
H5 1.054 -0.976 0.929
H6 1.054 -0.976 -0.929

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27051.58892.21092.29132.2913
C21.27051.45611.09412.22752.2275
C31.58891.45612.46921.09631.0963
H42.21091.09412.46923.13963.1396
H52.29132.22751.09633.13961.8582
H62.29132.22751.09633.13961.8582

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 70.918 N1 C2 H4 138.340
N1 C3 C2 49.082 N1 C3 H5 115.934
N1 C3 H6 115.934 C2 N1 C3 60.000
C2 C3 N1 49.082 C2 C3 H5 120.909
C2 C3 H6 120.909 C3 C2 H4 150.742
H5 C3 H6 115.889
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.293      
2 C 0.110      
3 C -0.247      
4 H 0.141      
5 H 0.145      
6 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.659 1.201 0.000 2.048
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.144 -1.314 0.000
y -1.314 -15.685 0.000
z 0.000 0.000 -17.244
Traceless
 xyz
x -3.679 -1.314 0.000
y -1.314 3.009 0.000
z 0.000 0.000 0.670
Polar
3z2-r21.340
x2-y2-4.459
xy-1.314
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.731 -0.575 0.000
y -0.575 4.346 0.000
z 0.000 0.000 2.598


<r2> (average value of r2) Å2
<r2> 33.721
(<r2>)1/2 5.807