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

using model chemistry: PBEPBE/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 PBEPBE/6-31G
 hartrees
Energy at 0K-132.463304
Energy at 298.15K-132.466273
HF Energy-132.463304
Nuclear repulsion energy62.289837
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 PBEPBE/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' 3205 3161 2.43      
2 A' 3087 3045 11.02      
3 A' 1622 1600 3.82      
4 A' 1490 1469 0.32      
5 A' 1229 1212 11.45      
6 A' 1022 1008 9.26      
7 A' 968 954 55.80      
8 A' 630 621 7.83      
9 A" 3188 3144 23.64      
10 A" 1091 1076 0.62      
11 A" 946 933 0.06      
12 A" 771 761 23.96      

Unscaled Zero Point Vibrational Energy (zpe) 9624.1 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 9491.3 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 PBEPBE/6-31G
ABC
1.13949 0.70851 0.48019

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.889 -0.168 0.000
C2 0.000 0.764 0.000
C3 0.676 -0.549 0.000
H4 0.051 1.850 0.000
H5 1.059 -0.979 0.929
H6 1.059 -0.979 -0.929

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.28831.61142.22642.30572.3057
C21.28831.47661.08732.24052.2405
C31.61141.47662.47891.09281.0928
H42.22641.08732.47893.14303.1430
H52.30572.24051.09283.14301.8584
H62.30572.24051.09283.14301.8584

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 70.921 N1 C2 H4 139.016
N1 C3 C2 49.079 N1 C3 H5 115.665
N1 C3 H6 115.665 C2 N1 C3 60.000
C2 C3 N1 49.079 C2 C3 H5 120.645
C2 C3 H6 120.645 C3 C2 H4 150.062
H5 C3 H6 116.480
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.283      
2 C 0.061      
3 C -0.306      
4 H 0.177      
5 H 0.176      
6 H 0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.827 1.268 0.000 2.224
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.585 -1.583 0.000
y -1.583 -15.701 0.000
z 0.000 0.000 -17.351
Traceless
 xyz
x -4.059 -1.583 0.000
y -1.583 3.267 0.000
z 0.000 0.000 0.792
Polar
3z2-r21.584
x2-y2-4.884
xy-1.583
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.816 -0.572 0.000
y -0.572 4.302 0.000
z 0.000 0.000 2.489


<r2> (average value of r2) Å2
<r2> 34.264
(<r2>)1/2 5.854