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

using model chemistry: B3PW91/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-132.638253
Energy at 298.15K-132.641322
HF Energy-132.638253
Nuclear repulsion energy63.864164
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(2df,p)
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' 3229 3105 2.56      
2 A' 3103 2983 22.95      
3 A' 1755 1687 8.88      
4 A' 1507 1449 0.01      
5 A' 1334 1282 7.62      
6 A' 1054 1013 1.13      
7 A' 1005 966 49.64      
8 A' 725 697 14.42      
9 A" 3193 3070 21.55      
10 A" 1116 1073 1.72      
11 A" 990 952 0.06      
12 A" 818 786 11.93      

Unscaled Zero Point Vibrational Energy (zpe) 9913.4 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 9530.8 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(2df,p)
ABC
1.19232 0.74939 0.50765

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.863 -0.168 0.000
C2 0.000 0.742 0.000
C3 0.652 -0.531 0.000
H4 0.040 1.825 0.000
H5 1.043 -0.957 0.922
H6 1.043 -0.957 -0.922

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25451.55792.18832.25932.2593
C21.25451.43051.08342.19632.1963
C31.55791.43052.43391.08811.0881
H42.18831.08342.43393.09703.0970
H52.25932.19631.08813.09701.8438
H62.25932.19631.08813.09701.8438

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 70.584 N1 C2 H4 138.681
N1 C3 C2 49.416 N1 C3 H5 116.139
N1 C3 H6 116.139 C2 N1 C3 60.000
C2 C3 N1 49.416 C2 C3 H5 120.792
C2 C3 H6 120.792 C3 C2 H4 150.736
H5 C3 H6 115.835
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.154      
2 C -0.011      
3 C -0.305      
4 H 0.179      
5 H 0.146      
6 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.703 1.264 0.000 2.121
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.004 -1.259 0.000
y -1.259 -15.349 0.000
z 0.000 0.000 -17.099
Traceless
 xyz
x -3.780 -1.259 0.000
y -1.259 3.202 0.000
z 0.000 0.000 0.578
Polar
3z2-r21.156
x2-y2-4.655
xy-1.259
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.800 -0.512 0.000
y -0.512 4.280 0.000
z 0.000 0.000 2.800


<r2> (average value of r2) Å2
<r2> 32.917
(<r2>)1/2 5.737